CN108643875A - Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir - Google Patents
Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir Download PDFInfo
- Publication number
- CN108643875A CN108643875A CN201810454819.3A CN201810454819A CN108643875A CN 108643875 A CN108643875 A CN 108643875A CN 201810454819 A CN201810454819 A CN 201810454819A CN 108643875 A CN108643875 A CN 108643875A
- Authority
- CN
- China
- Prior art keywords
- water
- analysis result
- reservoir
- injection
- oil reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 247
- 238000002347 injection Methods 0.000 title claims abstract description 110
- 239000007924 injection Substances 0.000 title claims abstract description 110
- 239000011435 rock Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000011161 development Methods 0.000 title abstract description 43
- 238000004458 analytical method Methods 0.000 claims abstract description 128
- 238000012545 processing Methods 0.000 claims abstract description 58
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims description 105
- 230000008447 perception Effects 0.000 claims description 8
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 109
- 230000000694 effects Effects 0.000 description 46
- 238000011156 evaluation Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 12
- 238000011084 recovery Methods 0.000 description 12
- 230000008595 infiltration Effects 0.000 description 10
- 238000001764 infiltration Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011157 data evaluation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The embodiment of the application discloses a water injection development adjustment method, a water injection development adjustment device and a water injection development adjustment system for a low-permeability clastic rock oil reservoir, wherein the method comprises the steps of analyzing and processing the application condition of an injection and production system according to the well pattern and the well spacing and the water drive control degree to obtain a first analysis result; analyzing and processing the water driving condition according to the overall water driving degree and the longitudinal water driving balance coefficient to obtain a second analysis result; analyzing and processing the water injection utilization condition according to the formation pressure maintaining level and the water storage rate to obtain a third analysis result; analyzing and processing the reservoir protection condition according to the average water injection pressure and the average water absorption strength to obtain a fourth analysis result; and determining a water injection development adjustment implementation mode of the target work area according to the first analysis result, the second analysis result, the third analysis result and the fourth analysis result. By utilizing the embodiments of the application, the finally determined water injection development adjustment scheme can be more accurate.
Description
Technical field
The present invention relates to oil-gas field development technical fields, particularly, are related to a kind of water filling of hyposmosis clastic rock oil reservoir and open
Send out method of adjustment, apparatus and system.
Background technology
Low permeability oil field reserves and scale are increasingly expanded, and have very big potentiality to become advocating war for China's future oil-gas exploration and development
.The theoretical research of waterflood development of low-permeability reservoirs has just been carried out early in eighties of last century sixties domestic and foreign scholars.On the one hand,
Low-permeability oil deposit has the characteristics that reservoir densification, and on the other hand, low-permeability oil deposit generally development is multiple in geologic structure, fluid distrbution
Miscellaneous area causes waterflooding extraction problem more, and difficulty is big.Therefore, it is necessary to analyse in depth to influence waterflood development of low-permeability reservoirs effect
Key technical index, formed be suitable for waterflood development of low-permeability reservoirs effect evaluation method.To see clearly reservoir waterflooding
Existing main problem is adjusted development plan even changes development mode in time, prevents the unnecessary injury of oil reservoir, carry
High field output and recovery ratio, ensure efficiently, constantly waterflooding extraction.
Currently, related waterflooding development effect assessment technique is primarily adapted for use in middle and high infiltration oil reservoir both at home and abroad.For example, using a variety of
WATER FLOODING CHARACTERISTIC CURVE predicts the waterflooding result of water flood field, utilizes gray relative analysis method evaluating oilfield waterflooding extraction effect
The method etc. of fruit.But these methods also expose some shortcomings when being applied to hyposmosis clastic rock oil reservoir, as development effectiveness is commented
Valence index relationship is complicated, and correlation is very strong between some indexs, and some indexs are isolated and are not in contact with or some evaluations refer to
Mark has limitation, is suitable only for the oil field a certain development phase.Meanwhile low-permeability oil deposit is also different from middle and high infiltration oil reservoir, it is low
Infiltration oil reservoir has that many middle and high infiltration reservoir waterfloodings are no, and art methods do not account for above-mentioned ask yet
Topic, so as to cause correct evaluation cannot be made to waterflood development of low-permeability reservoirs effect.Therefore, being badly in need of one kind at present can be more
Rationally, the method for more accurately evaluating waterflood development of low-permeability reservoirs effect, to realize to waterflood development of low-permeability reservoirs side
Case is correctly adjusted.
Invention content
The embodiment of the present application is designed to provide a kind of waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir, device
And system, the waterflooding extraction Adjusted Option finally determined can be made more targeted and more acurrate.
A kind of waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir provided by the present application, apparatus and system are to pass through packet
Include following manner realization：
A kind of waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir, including：
Situation is applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control and carries out analyzing processing,
Obtain the first analysis result；
Water drive producing status of the equalizing coefficient to target area is employed according to whole water-flooding performance and longitudinal water drive
Analyzing processing is carried out, the second analysis result is obtained；
It keeps horizontal and injection water retaining in reservoir to carry out analyzing processing to the water filling utilization obstacle of target area according to strata pressure, obtains
Obtain third analysis result；
Analyzing processing is carried out to the reservoir protection situation of target area according to average water injection pressure and mean water absorption intensity,
Obtain the 4th analysis result；
The mesh is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
The waterflooding extraction for marking work area adjusts embodiment.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, the note to target area are adopted
System is applicable in situation and carries out analyzing processing, including；
The corresponding Well Pattern And Spacing of maximum efficient rate is determined according to economic limit well space, judges that the Well Pattern And Spacing in target work area is
It is no to belong to the corresponding Well Pattern And Spacing of the maximum efficient rate, and judge whether each reservoir water flooding controlling extent value in target work area is big
In equal to the first predetermined threshold value；
If it is judged that being to be, obtains the injection and extraction system and be applicable in satisfactory first analysis result of situation.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, the water drive to target area
Producing status carries out analyzing processing, including：
Judge whether the whole water-flooding performance in target work area is more than or equal to the second predetermined threshold value, and longitudinal water-driven
Whether it is less than third predetermined threshold value with equalizing coefficient；
If it is judged that being to be, satisfactory second analysis result of the water drive producing status is obtained.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, the water filling to target area
Utilization obstacle carries out analyzing processing, including：
Judge that target work area strata pressure keeps horizontal and whether is more than the 4th predetermined threshold value, and judges the variation of injection water retaining in reservoir
Whether satisfaction presets injection water retaining in reservoir condition；
If it is judged that being to be, the satisfactory third analysis result of the water filling utilization obstacle is obtained.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, the reservoir to target area
Conservation status carries out analyzing processing, including：
Judge whether the average water injection pressure in target work area and formation fracture pressure ratio are less than the 5th predetermined threshold value, and
Judge whether mean water absorption intensity is more than the 6th predetermined threshold value；
If it is judged that being to be, satisfactory 4th analysis result of the reservoir protection situation is obtained.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, it is described to judge the whole of target work area
Whether body water-flooding performance is more than or equal to the second predetermined threshold value, including：
Mesh is determined according to the ratio of the cumulative oil production and reservoir reserve of the cumulative water production of water-drive pool and water-drive pool
Mark the whole water-flooding performance in work area.
The waterflooding extraction method of adjustment of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, it is described to judge the vertical of target work area
Employ whether equalizing coefficient is less than third predetermined threshold value to water drive, including：
The zero dimension water-flooding performance for determining each oil reservoir is calculated according to the water-flooding performance of each oil reservoir；
Each oil reservoir is ranked up from big to small by water-flooding performance, using small number of plies accumulative perception as abscissa number
It is that ordinate data draw curve according to, zero dimension water-flooding performance accumulative perception；
Determine that longitudinal water drive in target work area employs equalizing coefficient according to the area of curve and abscissa.
On the other hand, the embodiment of the present application also provides a kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir, packet
It includes：
Injection and extraction system analysis module, for the injection and extraction system according to Well Pattern And Spacing and water drive control to target area
The situation of being applicable in carries out analyzing processing, obtains the first analysis result；
Water drive employs analysis module, for employing equalizing coefficient to mesh according to whole water-flooding performance and longitudinal water drive
The water drive producing status for marking region carries out analyzing processing, obtains the second analysis result；
Water filling utilizes analysis module, for keeping water filling profit of the horizontal and injection water retaining in reservoir to target area according to strata pressure
Analyzing processing is carried out with situation, obtains third analysis result；
Reservoir protection analysis module, for the basis averagely reservoir of water injection pressure and mean water absorption intensity to target area
Conservation status carries out analyzing processing, obtains the 4th analysis result；
Waterflooding extraction adjust module, for according to first analysis result, the second analysis result, third analysis result,
4th analysis result determines the waterflooding extraction adjustment embodiment in the target work area.
The waterflooding extraction adjusting apparatus of the hyposmosis clastic rock oil reservoir of the embodiment of the present application, including processor and for storing
The memory of processor-executable instruction is realized when described instruction is executed by the processor and is included the following steps：
Situation is applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control and carries out analyzing processing,
Obtain the first analysis result；
Water drive producing status of the equalizing coefficient to target area is employed according to whole water-flooding performance and longitudinal water drive
Analyzing processing is carried out, the second analysis result is obtained；
It keeps horizontal and injection water retaining in reservoir to carry out analyzing processing to the water filling utilization obstacle of target area according to strata pressure, obtains
Obtain third analysis result；
Analyzing processing is carried out to the reservoir protection situation of target area according to average water injection pressure and mean water absorption intensity,
Obtain the 4th analysis result；
The mesh is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
The waterflooding extraction for marking work area adjusts embodiment.
On the other hand, the embodiment of the present application also provides a kind of waterflooding extraction adjustment system of hyposmosis clastic rock oil reservoir, packet
It includes at least one processor and stores the memory of computer executable instructions, the processor is realized when executing described instruction
The step of said one or multiple embodiment the methods.
A kind of waterflooding extraction method of adjustment for hyposmosis clastic rock oil reservoir that this specification one or more embodiment provides,
Apparatus and system determines evaluation index based on the key factor of tangible effect hyposmosis clastic rock water flooding effect, from
Four injection and extraction system adaptability, water drive producing status, water filling utilization obstacle and reservoir protection situation aspects are come rationally and accurate
True evaluation hyposmosis clastic rock reservoir waterflooding effect.And correlation is small between above-mentioned each index, and it is representative strong, to more
The reason of reflecting flood effectiveness comprehensively and reach the effect so that finally determining waterflooding extraction Adjusted Option has more needle
To property and more acurrate.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.In the accompanying drawings：
Fig. 1 is a kind of flow of the waterflooding extraction method of adjustment embodiment for hyposmosis clastic rock oil reservoir that this specification provides
Schematic diagram；
Fig. 2 is different well pattern forms in the example that this specification provides, the comparison signal of well spacing waterflooding extraction recovery ratio
Figure；
Fig. 3 is each oil reservoir connection situation and water drive control schematic diagram in the example that this specification provides；
Fig. 4 is that longitudinal water drive employs balance degree analysis curve synoptic diagram in the example that this specification provides；
Fig. 5 is injection water retaining in reservoir and theoretical curve contrast schematic diagram in the example that this specification provides；
Fig. 6 is a kind of module of the waterflooding extraction adjusting apparatus embodiment for hyposmosis clastic rock oil reservoir that this specification provides
Structural schematic diagram.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in this specification, below in conjunction with this explanation
Attached drawing in book one or more embodiment carries out the technical solution in this specification one or more embodiment clear, complete
Site preparation describes, it is clear that described embodiment is only specification a part of the embodiment, instead of all the embodiments.Based on saying
Bright book one or more embodiment, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment should all belong to the range of this specification example scheme protection.
Low-permeability oil deposit is different from middle and high infiltration oil reservoir, and fine and close reservoir makes grease flowing law become non-from Darcy Flow and reach
West stream, some usual middle and high infiltration reservoir water Indexes of Evaluation Effect lack directive significance for low-permeability oil deposit；Simultaneously as
Waterflood development of low-permeability reservoirs exposes the no problem of many middle and high infiltration reservoir waterfloodings, such as typical " note not into, adopt not
It goes wrong, conventional middle and high infiltration oil reservoir is caused to utilize WATER FLOODING CHARACTERISTIC CURVE method comparative evaluation to be either based on many indexes merely
It is not particularly suited for low-permeability oil deposit using the method for multiple fuzzy comprehensive evaluation.
In view of the above-mentioned problems, this application provides a kind of waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir, it is based on
It influences hyposmosis clastic rock reservoir waterflooding key factor and determines evaluation index, it is suitable from injection and extraction system using the evaluation index
Answer four situation, water drive producing status, water filling utilization obstacle and reservoir protection situation aspect assay hyposmosis clastic rocks
Reservoir waterflooding effect, and corresponding developing adjustment scheme is targetedly determined according to corresponding analysis result.Wherein, it notes
The evaluation index of extraction system adaptive condition may include Well Pattern And Spacing adaptability and water drive control, and water-flooding performance is commented
Valence index may include that whole water drive producing status and longitudinal water drive employ balanced situation, and the evaluation index of water filling utilization obstacle can
To include reasonable formation pressure holding level and injection water retaining in reservoir, the evaluation index of reservoir protection situation may include water injection pressure and suction
Water intensity.Correlation is small between above-mentioned each index, representative strong, to ensure that the reasonability of final waterflooding program adjustment
And accuracy.
Using the scheme of each embodiment of the application, the prior art can be effectively solved in hyposmosis clastic rock waterflooding extraction
The problem of effect assessment, can be applied to trial zone waterflooding development effect evaluation and remaining oil reservoir Potential Evaluation, and
Development plan is targetedly adjusted, and then adjusts implementing measure.
Fig. 1 is a kind of waterflooding extraction method of adjustment embodiment stream of hyposmosis clastic rock oil reservoir that this specification provides
Journey schematic diagram.Although present description provides such as following embodiments or method operating procedure shown in the drawings or apparatus structure,
It is less after may include either more in the method or device without performing creative labour or part merging based on routine
Operating procedure or modular unit.In the step of there is no necessary causalities in logicality or structure, these steps are held
Row sequence or the modular structure of device are not limited to this specification embodiment or execution shown in the drawings sequence or modular structure.It is described
Method or modular structure device in practice, server or end product in application, can be according to embodiment or attached
Method shown in figure or the execution of modular structure carry out sequence be either parallel to be executed (such as parallel processor or multiple threads
Environment, the even implementation environment including distributed treatment, server cluster).
Specific one embodiment as shown in Figure 1, the hyposmosis clastic rock oil reservoir that this specification provides waterflooding extraction tune
In one embodiment of adjusting method, the method may include：
S2, the applicable situation of the injection and extraction system of target area is carried out at analysis according to Well Pattern And Spacing and water drive control
Reason.
In the present embodiment, it may include that injection and extraction system fits hyposmosis clastic rock oil reservoir that the injection and extraction system, which is applicable in situation,
Ying Xing.In some embodiments of this specification, the note of Well Pattern And Spacing and water drive control to target area can be utilized
Extraction system is applicable in situation and carries out analyzing processing, obtains the first analysis result.First analysis result may include injection and extraction system
Be applicable in situation whether meet the requirements, undesirable reason etc..For example, it is assumed that the water drive control in target work area is not met
Preset condition, it is possible to determine that it is undesirable that injection and extraction system is applicable in situation；Correspondingly, the first analysis result may include noting to adopt to be
The applicable situation of system is undesirable, water drive control is not up to predetermined threshold value etc..Similarly, other following analysis results can wrap
The reason of including corresponding waterflooding development effect and not up to development effectiveness etc., it is in order to avoid repeated description, hereinafter not another
One is described in detail.
Hyposmosis clastic rock oil reservoir is fine and close, and grease flowing law is low speed non-darcy flow, therefore is difficult between injection-production well
Effective displacement is formed, using Well Pattern And Spacing and water drive control two indices, can more targetedly, reasonably be divided
Analysis evaluation injection and extraction system is applicable in situation.
In one embodiment of this specification, the corresponding well pattern well of maximum efficient rate can be determined according to economic limit well space
Away from judging whether the Well Pattern And Spacing in target work area belongs to the corresponding Well Pattern And Spacing of the maximum efficient rate, and judge target work
Whether each reservoir water flooding controlling extent value in area is more than or equal to the first predetermined threshold value.If it is judged that being to be, the note is obtained
Extraction system is applicable in satisfactory first analysis result of situation.To which the evaluation that can be quantified using the scheme of the present embodiment is related
Index improves the accuracy and reasonability of waterflooding development effect evaluation.
In another embodiment of this specification, following formula can also be utilized to quantitatively determine the economic limit of oil reservoir in advance
Well spacing L：
Wherein, M is constant, and economy ultimate well spacing density S can be expressed as：
Wherein, A is oil area, and N is oil in-place, NmingFor single well-controlled economic limit oil in place, into one
Step, single well-controlled economic limit oil in place N can be determined using following formulaming：
Wherein, ERFor recovery ratio.
Further, single well-controlled economic limit recoverable reserves NminkIt can be determined according to following two formula：
Wherein, WiFor recoverable reserves recovery percent of reserves in the development evaluation time limit, qminIt is averaged economic limit day oil-producing for individual well
Amount, β are the ratio of oil-water well sum and oil well number, and C is crude oil commodity rate, and P is oil sale price, and O operates for crude oil production
Expense, IDIt is invested for individual well drilling well (including perforation, pressure break etc.), IBIndividual well surface construction (including system engineering and mine are built) is thrown
Money, T are the exploitation payback period of recoverable reserves, and R is loan rate, and τ is rate when recovering the oil.
It is then possible under the premise of more than economic limit well space, design different well pattern forms, different well spacings oil reservoir injection
Water development plan compares each scheme waterflooding development effect using numerical simulation technology, determines the corresponding well pattern shape of maximum efficient rate
Formula and optimal well-spacing range.As shown in Fig. 2, Fig. 2 indicates different well spacings, the recovery percent of reserves of well pattern (recovery ratio) analysis comparison signal
Figure.The existing Well Pattern And Spacing in target work area well pattern form corresponding with maximum efficient rate and well spacing are compared again, judge mesh
Whether the Well Pattern And Spacing in mark work area belongs to the corresponding Well Pattern And Spacing of the maximum efficient rate.
In another embodiment of this specification, the water drive control may include injection water institute under the conditions of existing well pattern
The ratio for the reserves and its gross reserves in oil area that can be fed through to.It can such as be analyzed by effect by well group dynamic, in conjunction with quiet
State data (such as log) determines each Oil layer connectivity between well, then calculates each reservoir water flooding controlling extent：
Wherein, α is reservoir water flooding controlling extent, h0To penetrate out effective thickness, h1To penetrate out the effective thickness of connection.Such as Fig. 3
Shown, Fig. 3 indicates each oil reservoir connection situation and calculates the water drive control change curve schematic diagram obtained.Then, judge
Whether each reservoir water flooding controlling extent data in target work area are more than or equal to the first predetermined threshold value, if it is greater, then judging result is
It is.Preferably, in an embodiment of this specification, first predetermined threshold value can be 75%.
S4, it employs equalizing coefficient according to whole water-flooding performance and longitudinal water drive and shape is employed to the water drive of target area
Condition carries out analyzing processing.
In the present embodiment, the water-flooding performance can the intake profile of all test wells and all tests per year
The production profile material computation of oil well may include that total water sucting thickness is always penetrated with water injection well and opens the ratio for being connected to thickness or total yield
Liquid thickness is always penetrated with oil well and opens the ratio for being connected to thickness.In some embodiments of this specification, whole water-driven can be utilized
It is employed equalizing coefficient two indices with degree and longitudinal water drive and analyzing processing is carried out to the water drive producing status of target area, obtained
Obtain the second analysis result.For example, it is assumed that whole water-flooding performance does not meet preset condition, first analysis result can wrap
There may be do not penetrate out oil reservoir on including that water drive producing status is undesirable, whole water-flooding performance is not up to standard and being longitudinal
Deng.The extremely strong oil reservoir of vertical heterogeneity all suffers from the huge challenge of interlayer contradiction, using whole water-flooding performance and indulges
Employing equalizing coefficient two indices to water drive can be with the whole and longitudinal water drive producing status of significantly more efficient clear oil reservoir.
In one embodiment of this specification, it can be determined that whether the whole water-flooding performance in target work area is more than or equal to
Second threshold and longitudinal water drive employ equalizing coefficient and are less than third threshold value；If it is judged that being to be, the water drive is obtained
Satisfactory second analysis result of producing status.
It, can also be according to the cumulative water production of water-drive pool and tiring out for water-drive pool in another embodiment of this specification
The ratio of product oil production and reservoir reserve quantitatively determines the whole water-flooding performance in target work area.For example, the one of this specification
In a little embodiments, oil reservoir entirety water-flooding performance λ can be determined using following formula0：
Wherein, Z ' is dynamic reservoir by water flood, and N indicates reservoir reserve.
Further, dynamic reservoir by water flood Z ' can be determined according to following formula：
Z'=7.5422B0.969 (9)
Wherein, QwIndicate the cumulative water production of water-drive pool, QoIndicate that the cumulative oil production of water-drive pool, A, B indicate water
Oil reservoirs mining-employed reserves constant.
In another embodiment of this specification, it further can also quantitatively calculate longitudinal water drive and employ equalizing coefficient.Example
Such as, the zero dimension water-flooding performance for determining each oil reservoir can be calculated according to the water-flooding performance of each oil reservoir, and each oil reservoir is pressed
Water-flooding performance is ranked up from big to small, and journey is employed by abscissa data, zero dimension water drive of small number of plies accumulative perception
It is that ordinate data draw curve to spend accumulative perception.Then, the vertical of target work area is determined according to the area of curve and abscissa
Equalizing coefficient is employed to water drive.
Oil field producing profile testing data can be counted first, calculate the water-flooding performance of each oil reservoir：
Wherein, λ is reservoir water flooding development degree, h0To penetrate out effective thickness, h2To produce liquid thickness.
Correspondingly, zero dimension water-flooding performance can be expressed as：
Wherein, λciFor i-th layer of zero dimension water-flooding performance, λiFor i-th layer of water-flooding performance.
Based on economics Gini coefficient concept, each oil reservoir is sorted from small to large by water-flooding performance, it is tired with the small number of plies
Product percentage is abscissa, and zero dimension water-flooding performance accumulative perception is that ordinate draws curve.Wherein, an oil reservoir can
To be subdivided into multiple substratums.For example, one shares 3 oil reservoirs, it is ordered as A from small to large by water-flooding performance1、A3、A2, wherein
A1Oil-bearing sand is 5 substratums, A2Oil-bearing sand is 4 substratums, A3Oil-bearing sand is 6 substratums, then A1The small number of plies of oil reservoir is tired
Product percentage is 5/ (5+4+6)=33%, A1And A3Small number of plies accumulative perception be 73%, A1、A3And A2The small number of plies accumulation
Percentage is 100%.Similarly, A can be calculated1、(A1And A3)、(A1、A3And A2) accumulation of corresponding zero dimension water-flooding performance
Percentage, as shown in Figure 4.Assuming that curve and the surrounded areas of straight line y=x are a, curve and the surrounded area of x-axis are b, then may be used
A/ (a+b) is employed equalizing coefficient as longitudinal water drive.As shown in Figure 4, the value of a+b is 0.5, then longitudinal water drive employs equilibrium
Coefficient is also denoted as the form of 1-2b.Determine that longitudinal water drive employs equalizing coefficient to accurate quantitative analysis.
It is then possible to judge target work area whole water-flooding performance whether be more than or equal to the second predetermined threshold value and
Longitudinal water drive employs whether equalizing coefficient is less than third predetermined threshold value.Preferably, second predetermined threshold value may include 75%,
The third predetermined threshold value may include 0.3.
S6, horizontal according to strata pressure holding and injection water retaining in reservoir carries out at analysis the water filling utilization obstacle of target area
Reason obtains third analysis result.
In the present embodiment, the water filling utilization obstacle can refer in accumulation injection water, deduct and be plucked out of ground simultaneously with crude oil
After the accumulation water in face, the injected water volume for staying in oil reservoir accounts for the percentage of total injection rate.In some embodiments of this specification,
The water filling utilization obstacle of target area can be carried out at analysis using strata pressure holding level and injection water retaining in reservoir two indices
Reason obtains third analysis result.For example, it is assumed that injection water retaining in reservoir meets preset condition, but reasonable formation pressure holding level is not met
Preset condition, then the third analysis result may include that water filling utilization obstacle is undesirable, injection water retaining in reservoir is up to standard, reasonable stratum
Pressure keeps horizontal not up to standard, reservoir water producing level height, water injection rate deficiency etc..Stratum after hyposmosis clastic rock oil reservoir development
Rapid pressure drop, water filling are to ensure that stratum maintains pressure appropriate, so that oil reservoir is had very strong driving force, be laminated using ground
Water holding of trying hard to keep is flat and injection water retaining in reservoir two indices, can fully consider whether water filling can effectively maintain strata pressure and injection
Can water effectively drive accurately and effectively to evaluate water filling utilization obstacle.
In one embodiment of this specification, it can be determined that target work area strata pressure keeps horizontal and whether is more than the 4th in advance
If threshold value, and judge whether the variation of injection water retaining in reservoir meets default injection water retaining in reservoir condition, if it is judged that being to be, described in acquisition
The satisfactory third analysis result of water filling utilization obstacle.
In another embodiment of this specification, oil reservoir oil sample can also be taken to carry out bubble point pressure experiment, determine oil reservoir
Then saturation pressure quantitatively calculates strata pressure and keeps horizontal, as follows：
Wherein, δ is that strata pressure keeps horizontal, PbFor bubble point pressure, PCFor current strata pressure.Then, it is laminated with judging
Whether water holding of trying hard to keep is flat is more than the 4th predetermined threshold value.Preferably, the 4th predetermined threshold value can be 1.
In another embodiment of this specification, the injection water retaining in reservoir in target work area can be calculated first, wherein injection water retaining in reservoir can be with
The ratio of injection rate is accounted for for the injection rate of waterflooding oil field and the difference of water acquisition amount.It is then possible to draw the water in target work area
Rate and recovery percent of reserves curve, curve and preset standard plate are compared, judge injection water retaining in reservoir curve whether with default recovery ratio
Above standard curve coincide.As shown in figure 5, Fig. 5 indicates injection water retaining in reservoir and standard curve contrast schematic diagram.Preferably, described pre-
If recovery ratio can be 25%.
S8, the reservoir protection situation of target area is carried out at analysis according to average water injection pressure and mean water absorption intensity
Reason.
In the present embodiment, the reservoir protection situation may include that Waterflooding on Reservoirs destroys the influence brought.This theory
In some embodiments of bright book, the reservoir protection of average water injection pressure and mean water absorption intensity to target area can be utilized
Situation carries out analyzing processing, obtains the 4th analysis result.Hyposmosis clast petrosal foramen, to shout scale small, small during water drive
The migration of grain be easy to cause reservoir damage, more accurately can reasonably be commented using average water injection pressure and mean water absorption intensity
Valence reservoir protection situation.
In one embodiment of this specification, it can be determined that the average water injection pressure in target work area and formation fracture pressure ratio
Whether value is less than the 5th predetermined threshold value, and judges whether mean water absorption intensity is more than the 6th predetermined threshold value, if it is judged that
It is to be, obtains satisfactory 4th analysis result of the reservoir protection situation.
When it is implemented, the average water injection pressure of target work area oil reservoir injection well can be counted (including because of water injection pressure
The high and water injection well of closing well)；And the mean water absorption intensity of oil reservoir injection well can be counted.Then, judge that target work area is average
Water injection pressure with respect to formation fracture pressure magnitude relationship, and judge mean water absorption intensity whether be more than the 6th predetermined threshold value.
Preferably, in one embodiment of this specification, when the average water injection pressure calculated to shaft bottom is less than formation fracture pressure
It is reasonable when 85%, when mean water absorption intensity is more than 0.5m3It is normal when/(md).When water injection pressure is reasonable and injection index
When normal, determine that waterflooding extraction reservoir protection meets the requirements.
S10, institute is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
State the waterflooding extraction adjustment embodiment in target work area.
In the present embodiment, above-mentioned first, second, third and fourth analysis result, then, the above analysis can be obtained as a result, really
The waterflooding extraction in the fixed target work area adjusts embodiment.Wherein, first analysis result, the second analysis result, third
Analysis result, the 4th analysis result may include corresponding waterflooding development effect and not up to development effectiveness reason etc..Then,
The waterflooding extraction adjustment embodiment in target work area can be determined according to first, second, third and fourth analysis result.
For example, in some embodiments of this specification, when injection and extraction system adaptability, water drive producing status, water filling utilize
When situation and reservoir protection situation meet the requirements, it can be without to waterflooding extraction that adjustment embodiment is opened in corresponding water filling
It is adjusted.In other embodiments of this specification, when injection and extraction system adaptability, water drive producing status, water filling utilize shape
There are when undesirable aspect in condition and reservoir protection situation, then can be according to not up to corresponding development effectiveness the reason of
Carry out waterflooding extraction adjustment.
For example, the Well Pattern And Spacing for working as target work area belongs to the corresponding Well Pattern And Spacing of maximum efficient rate and each oil-reservoir water controls
When processing procedure degree reaches 75% or more, then above-mentioned judging result is to be, then waterflooding development effect is that evaluation injection and extraction system is applicable in shape
Condition meets the requirements.If the well pattern or well spacing in target work area are not belonging to the corresponding Well Pattern And Spacing of maximum efficient rate or each reservoir water flooding
Controlling extent is not up to 75% or more.Such as determine that well spacing 175m, well pattern form are the corresponding recovery ratio highest of anti-7 well patterns, and
The current well spacing in target work area is 350m, well pattern form is anti-7 well patterns.Then oil reservoir is mismatched with injection and extraction system, i.e. water filling is opened
It is that the applicable situation of evaluation injection and extraction system is undesirable to send out effect.The reason of being not up to development effectiveness accordingly can be well spacing mistake
Width can then be adjusted waterflooding program, and waterflooding extraction Adjusted Option can be well space shortening infilled well pattern.To profit
Reasonable, accurate evaluation to waterflooding development effect may be implemented in the scheme provided with the various embodiments described above, and can be further real
Now waterflooding program targetedly and correctly adjust.
In order to enable further verifying the practicability and feasibility of this method, this specification additionally provides using above-mentioned side
Another specific example of case, each reality above-mentioned to this specification by taking Xinjiang Oilfield hyposmosis clastic rock oil reservoir trial zone as an example
The method described in example is applied to illustrate.
(1) it is 159m to calculate the oil reservoir economic limit well space.Under the premise of more than economic limit well space, different wells are designed
The reservoir waterflooding scheme of web form, different well spacings compares each scheme waterflooding development effect, as a result using numerical simulation technology
For the anti-seven spot pattern recovery ratio highests of 175m, and oil reservoir is the anti-seven spot patterns of 350m at present, therefore Well Pattern And Spacing adaptability at present
Difference, such as Fig. 2.
(2) it is analyzed by effect by well group dynamic, each oil reservoir is connected between determining well in conjunction with static data (such as log)
Property, calculating each reservoir water flooding controlling extent is nearly all not achieved 75%, such as Fig. 3.
(3) oil reservoir entirety water-flooding performance 64.8% is calculated, longitudinal water drive employs equalizing coefficient 0.28, shows longitudinal dynamic
With equilibrium, such as Fig. 4.
(4) saturation pressure of oil reservoir is 20.1MPa, and strata pressure 17MPa at present, reasonable formation pressure holding level are
89%, the changing rule of injection water retaining in reservoir matches with the theoretical curve of waterflood recovery efficiency factor 27%, such as Fig. 5.
(5) statistics reservoir formation fracture pressure is 40MPa, and the average water injection pressure for converting water injection well is 35MPa, is more than ground
The 85% of layer fracture pressure, mean water absorption intensity 0.3m3/ (md).
(6) confluence analysis result.
Well Pattern And Spacing adaptability and water drive control be not up to standard, shows that oil reservoir is mismatched with injection and extraction system, it should contract
Dense well spacing infilled well pattern.Longitudinal water drive employs equilibrium, but whole water-flooding performance is not up to standard, this show on longitudinal there may be
Oil reservoir is not penetrated out, and there are prodigious rolling flared end potentiality.Injection water retaining in reservoir is up to standard, but reasonable formation pressure keeps horizontal not up to standard,
Show that reservoir water producing level is high, but water injection rate is inadequate, and stratum energy cannot be replenished in time.Water injection pressure and injection index
It is not up to standard, if situation is not improved after infilled well pattern, shows that reservoir damage is serious, should check injection water quality, add
Suitable inorganic agent.
Assessment indicator system in the scheme that this specification said one or multiple embodiments provide is all based on conscientiously
The key factor for influencing hyposmosis clastic rock water flooding effect determines, and each index related small, representative strong, can be with
Overall merit flood effectiveness and the reason of reach the effect.And it is utilized from injection and extraction system adaptability, water drive producing status, water filling
The waterflooding development effect in four aspect evaluation hyposmosis clastic rock oil fields of situation and reservoir protection situation, reflects low-permeability oil
Hide the importance that waterflooding development forms effective displacement and reservoir protection.
In addition, in one or more embodiment of this specification, method and the exploitation of index of correlation calculating are given
The method of effect quantitatively evaluation, a variety of Method means such as integrated application mathematical statistics, reservoir engineering and numerical simulation so that should
Technology is more scientific, accurate.The scheme provided using each embodiment of this specification carries out hyposmosis clastic rock Evaluation of Affusion Effect,
It may make that having evaluated oil reservoir future modification scenario has regulations to abide by.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Specifically it is referred to
The description of aforementioned relevant treatment related embodiment, does not do repeat one by one herein.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the action recorded in detail in the claims or step can be come according to different from the sequence in embodiment
It executes and desired result still may be implemented.In addition, the process described in the accompanying drawings not necessarily require show it is specific suitable
Sequence or consecutive order could realize desired result.In some embodiments, multitasking and parallel processing be also can
With or it may be advantageous.
A kind of waterflooding extraction method of adjustment for hyposmosis clastic rock oil reservoir that this specification one or more embodiment provides,
Evaluation index is determined based on the key factor of tangible effect hyposmosis clastic rock water flooding effect, is adapted to from injection and extraction system
Property, water drive producing status, water filling utilization obstacle and the aspect of reservoir protection situation four come rationally and accurately evaluate hypotonic
Saturating clastic rock reservoir waterflooding effect.And correlation is small between above-mentioned each index, and it is representative strong, to more comprehensively reflect note
Water effect and the reason of reach the effect so that finally determining waterflooding extraction Adjusted Option is more targeted and more accurate
Really.
Based on the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir described above, this specification is one or more real
It applies example and a kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir is also provided.The device may include having used this theory
System, software (application), module, component, server of bright book embodiment the method etc. simultaneously combine necessary implementation hardware
Device.Based on same innovation thinking, for example following reality of device in one or more embodiments that this specification embodiment provides
It applies described in example.Since the implementation that device solves the problems, such as is similar to method, the specific device of this specification embodiment
Implementation may refer to the implementation of preceding method, and overlaps will not be repeated.It is used below, term " unit " or " module "
The combination of the software and/or hardware of predetermined function may be implemented.Although device described in following embodiment is preferably with software
It realizes, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.Specifically, Fig. 6 specifications
A kind of modular structure schematic diagram of the waterflooding extraction adjusting apparatus embodiment of the hyposmosis clastic rock oil reservoir provided, such as Fig. 6 are described
Device may include：
Injection and extraction system analysis module 102 can be used for according to Well Pattern And Spacing and water drive control to target area
Injection and extraction system is applicable in situation and carries out analyzing processing, obtains the first analysis result；
Water drive employs analysis module 104, can be used for employing equilibrium according to whole water-flooding performance and longitudinal water drive
Coefficient carries out analyzing processing to the water drive producing status of target area, obtains the second analysis result；
Water filling utilizes analysis module 106, can be used for according to strata pressure holding level and injection water retaining in reservoir to target area
Water filling utilization obstacle carry out analyzing processing, obtain third analysis result；
Reservoir protection analysis module 108 can be used for according to average water injection pressure and mean water absorption intensity to target area
The reservoir protection situation in domain carries out analyzing processing, obtains the 4th analysis result；
Waterflooding extraction adjusts module 110, can be used for according to first analysis result, the second analysis result, third point
Analysis result, the 4th analysis result determine the waterflooding extraction adjustment embodiment in the target work area.
It should be noted that device described above can also include other embodiment party according to the description of embodiment of the method
Formula.Concrete implementation mode is referred to the description of related method embodiment, does not repeat one by one herein.
A kind of waterflooding extraction adjusting apparatus for hyposmosis clastic rock oil reservoir that this specification one or more embodiment provides,
Evaluation index is determined based on the key factor of tangible effect hyposmosis clastic rock water flooding effect, is adapted to from injection and extraction system
Property, water drive producing status, water filling utilization obstacle and the aspect of reservoir protection situation four come rationally and accurately evaluate hypotonic
Saturating clastic rock reservoir waterflooding effect.And correlation is small between above-mentioned each index, and it is representative strong, to more comprehensively reflect note
Water effect and the reason of reach the effect so that finally determining waterflooding extraction Adjusted Option is more targeted and more accurate
Really.
The method or apparatus described in above-described embodiment that this specification provides can realize that business is patrolled by computer program
It collects and records on a storage medium, the storage medium can be read and be executed with computer, realize this specification embodiment institute
The effect of description scheme.Therefore, this specification also provides a kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir, including
Processor and the memory for storing processor-executable instruction, realize to include following step when described instruction is executed by the processor
Suddenly：
Situation is applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control and carries out analyzing processing,
Obtain the first analysis result；
Water drive producing status of the equalizing coefficient to target area is employed according to whole water-flooding performance and longitudinal water drive
Analyzing processing is carried out, the second analysis result is obtained；
It keeps horizontal and injection water retaining in reservoir to carry out analyzing processing to the water filling utilization obstacle of target area according to strata pressure, obtains
Obtain third analysis result；
Analyzing processing is carried out to the reservoir protection situation of target area according to average water injection pressure and mean water absorption intensity,
Obtain the 4th analysis result；
The mesh is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
The waterflooding extraction for marking work area adjusts embodiment.
The storage medium may include the physical unit for storing information, typically by after information digitalization again with profit
The media of the modes such as electricity consumption, magnetic or optics are stored.The storage medium, which has, may include：Letter is stored in the way of electric energy
The device of breath such as, various memory, such as RAM, ROM；The device of information is stored in the way of magnetic energy such as, hard disk, floppy disk, magnetic
Band, core memory, magnetic bubble memory, USB flash disk；Using optical mode store information device such as, CD or DVD.Certainly, also its
Readable storage medium storing program for executing of his mode, such as quantum memory, graphene memory etc..
It should be noted that device described above can also include other embodiment party according to the description of embodiment of the method
Formula.Concrete implementation mode is referred to the description of related method embodiment, does not repeat one by one herein.
A kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir described in above-described embodiment is low based on tangible effect
The key factor of infiltration clastic rock water flooding effect determines evaluation index, and shape is employed from injection and extraction system adaptability, water drive
Four condition, water filling utilization obstacle and reservoir protection situation aspects rationally and accurately to evaluate hyposmosis clastic rock oil reservoir injection
Water development effectiveness.And correlation is small between above-mentioned each index, and it is representative strong, to more comprehensively reflect flood effectiveness and reach
The reason of effect so that finally determining waterflooding extraction Adjusted Option is more targeted and more acurrate.
This specification also provides a kind of waterflooding extraction adjustment system of hyposmosis clastic rock oil reservoir, and the system can be single
The waterflooding extraction of only hyposmosis clastic rock oil reservoir adjusts system, can also apply in a plurality of types of oil reservoir development data evaluations
Or in processing, solution release system.The system can be individual server, can also include the use of the one of this specification
The server cluster, system (including distributed system), software of a or multiple the methods or one or more embodiment devices
(application), practical operation device, logic gates device, quantum computer etc. simultaneously combine the necessary terminal dress for implementing hardware
It sets.The waterflooding extraction adjustment system of the hyposmosis clastic rock oil reservoir may include at least one processor and storage computer
The memory of executable instruction, the processor realize institute in above-mentioned any one or multiple embodiments when executing described instruction
The step of stating method.
It should be noted that system described above can also include others according to the description of method or device embodiment
Embodiment, concrete implementation mode are referred to the description of related method embodiment, do not repeat one by one herein.
A kind of waterflooding extraction of hyposmosis clastic rock oil reservoir described in above-described embodiment adjusts system, low based on tangible effect
The key factor of infiltration clastic rock water flooding effect determines evaluation index, and shape is employed from injection and extraction system adaptability, water drive
Four condition, water filling utilization obstacle and reservoir protection situation aspects rationally and accurately to evaluate hyposmosis clastic rock oil reservoir injection
Water development effectiveness.And correlation is small between above-mentioned each index, and it is representative strong, to more comprehensively reflect flood effectiveness and reach
The reason of effect so that finally determining waterflooding extraction Adjusted Option is more targeted and more acurrate.
It should be noted that this specification device or system described above according to the description of related method embodiment also
May include other embodiments, concrete implementation mode is referred to the description of embodiment of the method, does not go to live in the household of one's in-laws on getting married one by one herein
It states.Each embodiment in this specification is described in a progressive manner, and identical similar part is mutual between each embodiment
Mutually referring to each embodiment focuses on the differences from other embodiments.Especially for hardware+program
For class, storage medium+program embodiment, since it is substantially similar to the method embodiment, so description is fairly simple, it is related
Place illustrates referring to the part of embodiment of the method.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the action recorded in detail in the claims or step can be come according to different from the sequence in embodiment
It executes and desired result still may be implemented.In addition, the process described in the accompanying drawings not necessarily require show it is specific suitable
Sequence or consecutive order could realize desired result.In some embodiments, multitasking and parallel processing be also can
With or it may be advantageous.
System, device, module or the unit that above-described embodiment illustrates can specifically realize by computer chip or entity,
Or it is realized by the product with certain function.It is a kind of typically to realize that equipment is computer.Specifically, computer for example may be used
Think personal computer, laptop computer, vehicle-mounted human-computer interaction device, cellular phone, camera phone, smart phone, individual
Digital assistants, media player, navigation equipment, electronic mail equipment, game console, tablet computer, wearable device or
The combination of any equipment in these equipment of person.
For convenience of description, it is divided into various modules when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each module is realized can in the same or multiple software and or hardware when specification one or more, it can also
The module for realizing same function is realized by the combination of multiple submodule or subelement etc..Device embodiment described above is only
It is only illustrative, for example, in addition the division of the unit, only a kind of division of logic function can have in actual implementation
Dividing mode, such as multiple units or component can be combined or can be integrated into another system or some features can be with
Ignore, or does not execute.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be logical
Some interfaces are crossed, the INDIRECT COUPLING or communication connection of device or unit can be electrical, machinery or other forms.
It is also known in the art that other than realizing controller in a manner of pure computer readable program code, it is complete
Entirely can by by method and step carry out programming in logic come so that controller with logic gate, switch, application-specific integrated circuit, programmable
The form of logic controller and embedded microcontroller etc. realizes identical function.Therefore this controller is considered one kind
Hardware component, and the structure that the device for realizing various functions that its inside includes can also be considered as in hardware component.Or
Person even, can will be considered as either the software module of implementation method can be hardware again for realizing the device of various functions
Structure in component.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that process, method, commodity or equipment including a series of elements include not only those elements, but also wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wanted including described
There is also other identical elements in the process of element, method or equipment.
It will be understood by those skilled in the art that this specification one or more embodiment can be provided as method, system or calculating
Machine program product.Therefore, this specification one or more embodiment can be used complete hardware embodiment, complete software embodiment or
The form of embodiment combining software and hardware aspects.Moreover, this specification one or more embodiment can be used at one or
It is multiple wherein include computer usable program code computer-usable storage medium (include but not limited to magnetic disk storage,
CD-ROM, optical memory etc.) on the form of computer program product implemented.
This specification one or more embodiment can computer executable instructions it is general on
Described in hereafter, such as program module.Usually, program module includes executing particular task or realization particular abstract data type
Routine, program, object, component, data structure etc..This this specification one can also be put into practice in a distributed computing environment
Or multiple embodiments, in these distributed computing environments, by being held by the connected remote processing devices of communication network
Row task.In a distributed computing environment, program module can be located at the local and remote computer including storage device
In storage medium.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so description is fairly simple, related place is referring to embodiment of the method
Part explanation.In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
The description of " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, structure, material
Or feature is contained at least one embodiment or example of this specification.In the present specification, to the signal of above-mentioned term
Property statement must not necessarily be directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other,
Those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples
Feature is combined.
Above is only an example of the present application, it is not intended to limit this application.For those skilled in the art
For, the application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir, which is characterized in that including：
Situation is applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control and carries out analyzing processing, is obtained
First analysis result；
Equalizing coefficient is employed according to whole water-flooding performance and longitudinal water drive to carry out the water drive producing status of target area
Analyzing processing obtains the second analysis result；
It keeps horizontal and injection water retaining in reservoir to carry out analyzing processing to the water filling utilization obstacle of target area according to strata pressure, obtains the
Three analysis results；
Analyzing processing is carried out to the reservoir protection situation of target area according to average water injection pressure and mean water absorption intensity, is obtained
4th analysis result；
The target work is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
The waterflooding extraction in area adjusts embodiment.
2. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 1, which is characterized in that described right
The injection and extraction system of target area is applicable in situation and carries out analyzing processing, including；
The corresponding Well Pattern And Spacing of maximum efficient rate is determined according to economic limit well space, judges whether the Well Pattern And Spacing in target work area belongs to
In the corresponding Well Pattern And Spacing of the maximum efficient rate, and judge whether each reservoir water flooding controlling extent value in target work area is more than
In the first predetermined threshold value；
If it is judged that being to be, obtains the injection and extraction system and be applicable in satisfactory first analysis result of situation.
3. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 1, which is characterized in that described right
The water drive producing status of target area carries out analyzing processing, including：
Judge whether the whole water-flooding performance in target work area is more than or equal to the second predetermined threshold value, and longitudinal water drive is employed
Whether the coefficient that weighs is less than third predetermined threshold value；
If it is judged that being to be, satisfactory second analysis result of the water drive producing status is obtained.
4. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 1, which is characterized in that described right
The water filling utilization obstacle of target area carries out analyzing processing, including：
Judge that target work area strata pressure keeps horizontal and whether is more than the 4th predetermined threshold value, and judge injection water retaining in reservoir variation whether
Meet and presets injection water retaining in reservoir condition；
If it is judged that being to be, the satisfactory third analysis result of the water filling utilization obstacle is obtained.
5. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 1, which is characterized in that described right
The reservoir protection situation of target area carries out analyzing processing, including：
Whether the average water injection pressure and formation fracture pressure ratio for judging target work area are less than the 5th predetermined threshold value, and judge
Whether mean water absorption intensity is more than the 6th predetermined threshold value；
If it is judged that being to be, satisfactory 4th analysis result of the reservoir protection situation is obtained.
6. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 3, which is characterized in that described to sentence
Whether the whole water-flooding performance in disconnected target work area is more than or equal to the second predetermined threshold value, including：
Target work is determined according to the ratio of the cumulative oil production and reservoir reserve of the cumulative water production of water-drive pool and water-drive pool
The whole water-flooding performance in area.
7. the waterflooding extraction method of adjustment of hyposmosis clastic rock oil reservoir according to claim 3, which is characterized in that described to sentence
Longitudinal water drive in disconnected target work area employs whether equalizing coefficient is less than third predetermined threshold value, including：
The zero dimension water-flooding performance for determining each oil reservoir is calculated according to the water-flooding performance of each oil reservoir；
Each oil reservoir is ranked up from big to small by water-flooding performance, using small number of plies accumulative perception as abscissa data, nothing
Dimension water-flooding performance accumulative perception is that ordinate data draw curve；
Determine that longitudinal water drive in target work area employs equalizing coefficient according to the area of curve and abscissa.
8. a kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir, which is characterized in that including：
Injection and extraction system analysis module, for being applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control
Situation carries out analyzing processing, obtains the first analysis result；
Water drive employs analysis module, for employing equalizing coefficient to target area according to whole water-flooding performance and longitudinal water drive
The water drive producing status in domain carries out analyzing processing, obtains the second analysis result；
Water filling utilizes analysis module, for keeping horizontal and injection water retaining in reservoir to utilize shape to the water filling of target area according to strata pressure
Condition carries out analyzing processing, obtains third analysis result；
Reservoir protection analysis module, for the basis averagely reservoir protection of water injection pressure and mean water absorption intensity to target area
Situation carries out analyzing processing, obtains the 4th analysis result；
Waterflooding extraction adjusts module, for according to first analysis result, the second analysis result, third analysis result, the 4th
Analysis result determines the waterflooding extraction adjustment embodiment in the target work area.
9. a kind of waterflooding extraction adjusting apparatus of hyposmosis clastic rock oil reservoir, which is characterized in that including processor and for storing
The memory of processor-executable instruction is realized when described instruction is executed by the processor and is included the following steps：
Situation is applicable in the injection and extraction system of target area according to Well Pattern And Spacing and water drive control and carries out analyzing processing, is obtained
First analysis result；
Equalizing coefficient is employed according to whole water-flooding performance and longitudinal water drive to carry out the water drive producing status of target area
Analyzing processing obtains the second analysis result；
It keeps horizontal and injection water retaining in reservoir to carry out analyzing processing to the water filling utilization obstacle of target area according to strata pressure, obtains the
Three analysis results；
Analyzing processing is carried out to the reservoir protection situation of target area according to average water injection pressure and mean water absorption intensity, is obtained
4th analysis result；
The target work is determined according to first analysis result, the second analysis result, third analysis result, the 4th analysis result
The waterflooding extraction in area adjusts embodiment.
10. the waterflooding extraction of hyposmosis clastic rock oil reservoir a kind of adjusts system, which is characterized in that including at least one processor with
And the memory of storage computer executable instructions, the processor are realized arbitrary in claim 1-7 when executing described instruction
The step of one the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454819.3A CN108643875B (en) | 2018-05-14 | 2018-05-14 | Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454819.3A CN108643875B (en) | 2018-05-14 | 2018-05-14 | Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108643875A true CN108643875A (en) | 2018-10-12 |
| CN108643875B CN108643875B (en) | 2020-10-09 |
Family
ID=63755136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810454819.3A Active CN108643875B (en) | 2018-05-14 | 2018-05-14 | Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108643875B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397436A (en) * | 2019-06-24 | 2019-11-01 | 中国石油化工股份有限公司 | A kind of stifled feasibility analysis method and system of oil reservoir tune |
| CN110485988A (en) * | 2019-08-19 | 2019-11-22 | 中国石油天然气股份有限公司大港油田分公司 | A kind of low permeability reservoir simulation grid refinement method and device |
| CN111852462A (en) * | 2019-04-29 | 2020-10-30 | 中国石油天然气股份有限公司 | Method and device for acquiring dynamic reserves of oil well |
| CN112049624A (en) * | 2019-06-06 | 2020-12-08 | 中国石油天然气股份有限公司 | Method, device, equipment and storage medium for predicting dynamic reserves of oil well |
| CN112270067A (en) * | 2020-09-25 | 2021-01-26 | 中国石油天然气股份有限公司 | Method for evaluating new well dynamic reserve of tight gas reservoir |
| CN112267859A (en) * | 2020-11-09 | 2021-01-26 | 中国石油天然气股份有限公司 | Periodic water injection reservoir screening quantitative evaluation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790926A (en) * | 2015-03-20 | 2015-07-22 | 中国石油大学(北京) | Fracture-vug type oil reservoir water-flooding development effect evaluation method |
| CN105631138A (en) * | 2015-12-29 | 2016-06-01 | 北京凯博瑞石油科技有限公司 | Oil and gas reservoir development unit and well group numerical simulation dynamic analysis method |
| CN105888656A (en) * | 2016-03-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Method for quantitatively evaluating hydraulic permeability under pressure of natural microcrack development tight reservoir |
| CN206144547U (en) * | 2016-11-03 | 2017-05-03 | 王琳 | Hyposmosis oil reservoir well pattern structure |
| CN106869888A (en) * | 2015-12-11 | 2017-06-20 | 中国石油化工股份有限公司 | The method for improving low-permeability oil deposit waterflooding effect |
-
2018
- 2018-05-14 CN CN201810454819.3A patent/CN108643875B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790926A (en) * | 2015-03-20 | 2015-07-22 | 中国石油大学(北京) | Fracture-vug type oil reservoir water-flooding development effect evaluation method |
| CN106869888A (en) * | 2015-12-11 | 2017-06-20 | 中国石油化工股份有限公司 | The method for improving low-permeability oil deposit waterflooding effect |
| CN105631138A (en) * | 2015-12-29 | 2016-06-01 | 北京凯博瑞石油科技有限公司 | Oil and gas reservoir development unit and well group numerical simulation dynamic analysis method |
| CN105888656A (en) * | 2016-03-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Method for quantitatively evaluating hydraulic permeability under pressure of natural microcrack development tight reservoir |
| CN206144547U (en) * | 2016-11-03 | 2017-05-03 | 王琳 | Hyposmosis oil reservoir well pattern structure |
Non-Patent Citations (3)
| Title |
|---|
| 万文韬: "低渗透油藏超前注水早期开发效果评价以董志区为例", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 甘霖等: "某复杂断块油藏储量动用程度评价", 《中国西部科技》 * |
| 赵兴君: "低渗透油藏注采***优化提高采收率研究", 《科技与企业》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852462A (en) * | 2019-04-29 | 2020-10-30 | 中国石油天然气股份有限公司 | Method and device for acquiring dynamic reserves of oil well |
| CN112049624A (en) * | 2019-06-06 | 2020-12-08 | 中国石油天然气股份有限公司 | Method, device, equipment and storage medium for predicting dynamic reserves of oil well |
| CN112049624B (en) * | 2019-06-06 | 2024-04-30 | 中国石油天然气股份有限公司 | Method, device, equipment and storage medium for predicting dynamic reserve of oil well |
| CN110397436A (en) * | 2019-06-24 | 2019-11-01 | 中国石油化工股份有限公司 | A kind of stifled feasibility analysis method and system of oil reservoir tune |
| CN110485988A (en) * | 2019-08-19 | 2019-11-22 | 中国石油天然气股份有限公司大港油田分公司 | A kind of low permeability reservoir simulation grid refinement method and device |
| CN112270067A (en) * | 2020-09-25 | 2021-01-26 | 中国石油天然气股份有限公司 | Method for evaluating new well dynamic reserve of tight gas reservoir |
| CN112267859A (en) * | 2020-11-09 | 2021-01-26 | 中国石油天然气股份有限公司 | Periodic water injection reservoir screening quantitative evaluation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108643875B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108643875A (en) | Water injection development adjustment method, device and system for low-permeability clastic rock oil reservoir | |
| Xizhe et al. | Efficient development strategies for large ultra-deep structural gas fields in China | |
| CN104747185B (en) | Heterogeneous reservoir reservoir synthetical assortment evaluation method | |
| CN104153769B (en) | The division of a kind of fracture-pore reservoir flow unit and evaluation methodology | |
| CN105735960A (en) | Cluster interval optimizing method for segmental multi-cluster fracturing of horizontal well of low-permeability oil and gas reservoir | |
| CN106250984A (en) | Method and device for judging oil-water relation mode of oil well | |
| CN105005712B (en) | Limestone aquifer watery evaluation methodology | |
| CN106156452A (en) | A kind of Reservoir Analysis method | |
| CN106246158B (en) | Method and device for distributing wells in ultra-deep low-hole fractured sandstone gas reservoir | |
| CN104462859A (en) | Oil gas resource recovery coefficient determining method | |
| CN110717301A (en) | Flow unit information classification and identification method based on support vector machine algorithm | |
| Chai et al. | Study on recovery factor and interlayer interference mechanism of multilayer co-production in tight gas reservoir with high heterogeneity and multi-pressure systems | |
| CN102704924B (en) | Method and device for determining effective dry layer | |
| Ikpeka et al. | Application of machine learning models in predicting initial gas production rate from tight gas reservoirs | |
| CN105718720A (en) | Complex gas reservoir reserve quality classification comprehensive evaluation method | |
| CN108561129A (en) | Craven fault block reservoirs water to oil area remaining oil fast appraisement method | |
| CN104834934B (en) | A kind of nucleome capture method for being used to identify reservoir fluid | |
| Chen et al. | A new artificial intelligence recognition method of dominant channel based on principal component analysis | |
| Xu et al. | Efficient development method for high-viscosity, complex fault-block reservoir | |
| Hu et al. | Data-driven injection/production optimization for horizontal well pattern in a complex carbonate oilfield | |
| Rabiei | Excess water production diagnosis in oil fields using ensemble classifiers | |
| CN111287739A (en) | Residual oil distribution prediction method based on formation crude oil viscosity | |
| Shiyun et al. | A fine assessment technology for medium-high exploration degree plays | |
| Fu et al. | Artificial Intelligence Method of Flow Unit Division Based on Waveform Clustering: A Case Study on Zhetybay Oil Field, South Mangyshalk Basin, Kazakhstan | |
| Wang et al. | Evaluation of different well converting patterns with the distribution of streamlines on ultra high water cut reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |