CN108363114A - Method and device for evaluating compact oil dessert area - Google Patents
Method and device for evaluating compact oil dessert area Download PDFInfo
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- CN108363114A CN108363114A CN201810029800.4A CN201810029800A CN108363114A CN 108363114 A CN108363114 A CN 108363114A CN 201810029800 A CN201810029800 A CN 201810029800A CN 108363114 A CN108363114 A CN 108363114A
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- 235000021185 dessert Nutrition 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title abstract description 18
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 119
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 119
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 114
- 239000011435 rock Substances 0.000 claims abstract description 110
- 238000011160 research Methods 0.000 claims abstract description 60
- 238000003860 storage Methods 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 38
- 239000004079 vitrinite Substances 0.000 claims abstract description 35
- 235000009508 confectionery Nutrition 0.000 claims abstract description 5
- 238000002310 reflectometry Methods 0.000 claims abstract 4
- 238000011156 evaluation Methods 0.000 claims description 53
- 238000010586 diagram Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 claims description 12
- 238000000280 densification Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 2
- 238000011158 quantitative evaluation Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000011850 desserts Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The embodiment of the application provides a method and a device for evaluating a compact oil sweet spot area, wherein the method comprises the following steps: determining a relation curve of the total organic carbon content of the hydrocarbon source rock in the research area, the vitrinite reflectivity and the unit length pressurization amount; determining capillary pressure values of core samples with different porosities in the same reservoir section in the research area, and according to the relation curve and hydrocarbon source rock parameter values of the core samples; the hydrocarbon source rock parameter value is the product of the total organic carbon content and the vitrinite reflectivity; determining the porosity value and the oil saturation value of each core sample, and constructing a source storage configuration chart according to the porosity value, the oil saturation value and the hydrocarbon source rock parameter value of each core sample; and evaluating the compact oil dessert area of the research area according to the source reservoir configuration chart. The quantitative evaluation of the compact oil dessert area can be realized.
Description
Technical field
This application involves fine and close oily dessert area assessment technique fields, more particularly, to a kind of fine and close oily dessert area evaluation method
And device.
Background technology
Fine and close oil is one kind of unconventional petroleum resources, it refer to be clipped in or close in the compact reservoir of hydrocarbon source rock without big
Scale long-distance migration and the oil accumulation formed.
Fine and close oil is different from shale oil, i.e. compact reservoir does not include shale, and the physical property boundary of compact reservoir is air penetration
Rate is less than 1mD, and overburden permeability is less than 0.1mD.By in recent years exploration practices and unconventionaloil pool theoretical developments think, cause
Mi You desserts area refer to refer to that physical property is relatively high inside compact reservoir, the ground that the economic exploitation of have under prior art conditions is worth
Matter unit.But fine and close oil dessert area Dominated Factors are numerous, and it is urgently to be resolved hurrily at present for how integrating multifactor quantitative assessment dessert area
The technical issues of.
Invention content
The embodiment of the present application is designed to provide a kind of fine and close oily dessert area's evaluation method and device, to realize to densification
Oily dessert area carries out quantitative assessment.
In order to achieve the above objectives, on the one hand, the embodiment of the present application provides a kind of fine and close oily dessert area evaluation method, packet
It includes:
Determine that the relationship of the total content of organic carbon of hydrocarbon source rock, reflectance of vitrinite and unit length supercharging amount in research area is bent
Line;
Determine it is described research area in same Reservoir Section Different porosities each core sample capillary pressure value, and according to
The hydrocarbon source rock parameter value of the relation curve and each core sample;The hydrocarbon source rock parameter value be total content of organic carbon with
The product of reflectance of vitrinite;
Determine the porosity value and oil saturation value of each core sample, and according to each core sample
Porosity value, oil saturation value and hydrocarbon source rock parameter value structure source storage configuration plate;
Configuration plate is stored up according to the source, and the evaluation of fine and close oily dessert area is carried out to the research area.
Preferably, total content of organic carbon, reflectance of vitrinite and the unit length of hydrocarbon source rock increase in the determining research area
The relation curve of pressure amount, including:
Obtain the hydrocarbon simulated experiment data of multiple hydrocarbon source rock core samples in the research area;
It is fitted to obtain total content of organic carbon, reflectance of vitrinite and unit length increasing according to the hydrocarbon simulated experiment data
The relation curve of pressure amount.
Preferably, the relation curve includes:
ΔPu=a × TOC × Rob;
Wherein, Δ PuFor the unit length supercharging amount of hydrocarbon source rock core sample;TOC is the total organic of hydrocarbon source rock core sample
Carbon content;Ro is the reflectance of vitrinite of hydrocarbon source rock core sample, and a, b are constant.
Preferably, the porosity value, oil saturation value and hydrocarbon source rock parameter value according to each core sample
Structure source storage configuration plate, including:
The porosity value of each core sample, oil saturation value and the corresponding data point of hydrocarbon source rock parameter value are painted
It is formed in rectangular coordinate system, abscissa is porosity in the rectangular coordinate system, and ordinate is hydrocarbon source rock parameter;
Determine in the rectangular coordinate system, oil saturation value reach the first preset value all data points and its contain
Oily intensity value reaches all data points of the second preset value;
All data points that the oil saturation value is reached to the first preset value connect into the first curve, and oil-containing is satisfied
All data points for reaching the second preset value with angle value connect into the second curve;
According to first curve, second curve is default and preset specific pore angle value curve, will it is described directly
Specified region division in angular coordinate system is multiple evaluation areas, to form source storage configuration plate;The specified region is by presetting
Porosity cutoff curve and hydrocarbon source rock parameter lower limit curve surround.
Preferably, described store up configuration plate to the fine and close oily dessert area evaluation of research area progress according to the source, including:
Obtain a hydrocarbon source rock parameter for not evaluating specified quantity hydrocarbon source rock in dessert area and porosity in the research area
Plan view, and corresponding data point is drawn on the source storage configuration plate;
According to the data point situation for falling into each evaluation area on the source storage configuration plate, the evaluation in the dessert area is determined
As a result;
Recursion successively, until completing the evaluation in each dessert area in the research area.
On the other hand, the embodiment of the present application also provides a kind of fine and close oily dessert area evaluating apparatus, including:
Relation curve determining module, for determine the total content of organic carbon of hydrocarbon source rock in research area, reflectance of vitrinite with
The relation curve of unit length supercharging amount;
Hydrocarbon source rock parameter value determining module, each rock for determining same Reservoir Section Different porosities in the research area
The capillary pressure value of heart sample, and according to the hydrocarbon source rock parameter value of the relation curve and each core sample;The hydrocarbon
Source rock parameter value is the product of total content of organic carbon and reflectance of vitrinite;
Source storage configuration plate builds module, porosity value and oil saturation for determining each core sample
Value, and source is built according to the porosity value, oil saturation value and hydrocarbon source rock parameter value of each core sample and stores up configuration diagram
Version;
Sweet spot region evaluation module carries out fine and close oily dessert area for storing up configuration plate according to the source to the research area
Evaluation.
Preferably, total content of organic carbon, reflectance of vitrinite and the unit length of hydrocarbon source rock increase in the determining research area
The relation curve of pressure amount, including:
Obtain the hydrocarbon simulated experiment data of multiple hydrocarbon source rock core samples in the research area;
It is fitted to obtain total content of organic carbon, reflectance of vitrinite and unit length increasing according to the hydrocarbon simulated experiment data
The relation curve of pressure amount.
Preferably, the relation curve includes:
ΔPu=a × TOC × Rob;
Wherein, Δ PuFor the unit length supercharging amount of hydrocarbon source rock core sample;TOC is the total organic of hydrocarbon source rock core sample
Carbon content;Ro is the reflectance of vitrinite of hydrocarbon source rock core sample, and a, b are constant.
Preferably, the porosity value, oil saturation value and hydrocarbon source rock parameter value according to each core sample
Structure source storage configuration plate, including:
The porosity value of each core sample, oil saturation value and the corresponding data point of hydrocarbon source rock parameter value are painted
It is formed in rectangular coordinate system, abscissa is porosity in the rectangular coordinate system, and ordinate is hydrocarbon source rock parameter;
Determine in the rectangular coordinate system, oil saturation value reach the first preset value all data points and its contain
Oily intensity value reaches all data points of the second preset value;
All data points that the oil saturation value is reached to the first preset value connect into the first curve, and oil-containing is satisfied
All data points for reaching the second preset value with angle value connect into the second curve;
According to first curve, second curve is default and preset specific pore angle value curve, will it is described directly
Specified region division in angular coordinate system is multiple evaluation areas, to form source storage configuration plate;The specified region is by presetting
Porosity cutoff curve and hydrocarbon source rock parameter lower limit curve surround.
Preferably, described store up configuration plate to the fine and close oily dessert area evaluation of research area progress according to the source, including:
Obtain a hydrocarbon source rock parameter for not evaluating specified quantity hydrocarbon source rock in dessert area and porosity in the research area
Plan view, and corresponding data point is drawn on the source storage configuration plate;
According to the data point situation for falling into each evaluation area on the source storage configuration plate, the evaluation in the dessert area is determined
As a result;
Recursion successively, until completing the evaluation in each dessert area in the research area.
On the other hand, the embodiment of the present application also provides a kind of fine and close oily dessert area evaluating apparatus, including memory, processing
Device and the computer program being stored on the memory execute such as when the computer program is run by the processor
Lower step:
Determine that the relationship of the total content of organic carbon of hydrocarbon source rock, reflectance of vitrinite and unit length supercharging amount in research area is bent
Line;
Determine it is described research area in same Reservoir Section Different porosities each core sample capillary pressure value, and according to
The hydrocarbon source rock parameter value of the relation curve and each core sample;The hydrocarbon source rock parameter value be total content of organic carbon with
The product of reflectance of vitrinite;
Determine the porosity value and oil saturation value of each core sample, and according to each core sample
Porosity value, oil saturation value and hydrocarbon source rock parameter value structure source storage configuration plate;
Configuration plate is stored up according to the source, and the evaluation of fine and close oily dessert area is carried out to the research area.
By the above technical solution provided by the embodiments of the present application as it can be seen that the embodiment of the present application determines the research area sources Nei Ting first
The total content of organic carbon of rock, the relation curve of reflectance of vitrinite and unit length supercharging amount;Secondly it determines same in research area
The capillary pressure value of each core sample of Reservoir Section Different porosities, and according to the hydrocarbon source of relation curve and each core sample
Rock parameter value;Wherein, hydrocarbon source rock parameter value is the product of total content of organic carbon and reflectance of vitrinite;Then each rock core is determined
The porosity value and oil saturation value of sample, and according to the porosity value of each core sample, oil saturation value and hydrocarbon source
Rock parameter value builds source storage configuration plate;Configuration plate is finally stored up according to source, the evaluation of fine and close oily dessert area is carried out to research area, from
And the quantitative assessment to fine and close oily dessert area is realized, and then the accuracy of dessert area evaluation is improved, for follow-up fine and close oil
The exploitation decision of reservoir provides advantageous reference.
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 the flow chart of the densification oily dessert area evaluation method of one embodiment of the application;
Fig. 2 configures plate schematic diagram for structure source storage in the densification oily dessert area evaluation method of one embodiment of the application;
Fig. 3 configures the dessert area of plate to be stored up based on source in the densification oily dessert area evaluation method of one embodiment of the application
Evaluate schematic diagram;
Fig. 4 is the structure diagram of the densification oily dessert area evaluating apparatus of one embodiment of the application;
Fig. 5 is the structure diagram of the densification oily dessert area evaluating apparatus of another embodiment of the application.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without creative efforts should all belong to the application protection
Range.
Refering to what is shown in Fig. 1, the densification oily dessert area evaluation method of the embodiment of the present application may comprise steps of:
S101, the total content of organic carbon of hydrocarbon source rock in research area, reflectance of vitrinite and unit length supercharging amount are determined
Relation curve.
In one embodiment of the application, total content of organic carbon, the vitrinite reflectance of hydrocarbon source rock in the determining research area
The relation curve of rate and unit length supercharging amount may comprise steps of:
First, the hydrocarbon simulated experiment data of multiple hydrocarbon source rock core samples in research area are obtained;Wherein, the hydrocarbon mould
Draft experiment data for example may include core sample length, total organic carbon (TOC) content, experimental temperature and hydrocarbon supercharging series
Deng.The source rock sample can be that the same floor position acquires in the same dessert area.
Then, according to the hydrocarbon simulated experiment data be fitted to obtain total content of organic carbon, reflectance of vitrinite (Ro) with
The relation curve of unit length supercharging amount.
In one embodiment of the application, unit length supercharging amount formula is:
ΔPui=Δ Pi/Hi (1)
Wherein, i is sample number into spectrum;Δ P is hydrocarbon supercharging amount;H is sample length;ΔPuFor unit length supercharging amount;
Then following relation curve can be obtained with unit length supercharging amount in fitting fitting TOC × Ro parameters:
ΔPu=a × TOC × Rob (2)
Wherein, Δ PuFor the unit length supercharging amount of hydrocarbon source rock core sample;TOC is the total organic of hydrocarbon source rock core sample
Carbon content;Ro is the reflectance of vitrinite of hydrocarbon source rock core sample, and a, b are constant.
In an illustrative embodiments, it is assumed that it is as shown in table 1 below to obtain hydrocarbon simulated experiment data:
Table 1
Can then be fitted to obtain TOC × Ro parameters is with unit length supercharging relation curve:
ΔPu=1.5904 × TOG × Ro0.9052 (3)
In formula (3), a=1.5904, b=0.9052 are empirical value.
S102, the capillary pressure value for obtaining each core sample of same Reservoir Section Different porosities in the research area,
And the hydrocarbon source rock of each core sample is determined according to the capillary pressure value of the relation curve and each core sample
Parameter value;The hydrocarbon source rock parameter value is the product of total content of organic carbon and reflectance of vitrinite.
In the application embodiment, after the capillary pressure value for determining each core sample, substituted into for example public
In relation curve shown in formula (2), so that it may to obtain this hydrocarbon source rock parameter value of TOC × Ro accordingly.
In an exemplary approach, the hydrocarbon source rock parameter value of each core sample conversion of same Reservoir Section Different porosities can
As shown in table 2 below:
Table 2
S103, the porosity value and oil saturation value for determining each core sample, and according to each rock core
Configuration diagram is stored up in porosity value, oil saturation value and the hydrocarbon source rock parameter value structure source of sample.
In one embodiment of the application, porosity value, the oil saturation value according to each core sample
It may comprise steps of with hydrocarbon source rock parameter value structure source storage configuration plate:
1), by the porosity value of each core sample, oil saturation value and the corresponding data of hydrocarbon source rock parameter value
Point-rendering is in rectangular coordinate system, and abscissa is porosity in the rectangular coordinate system, and ordinate is hydrocarbon source rock parameter.
2), determine in the rectangular coordinate system, oil saturation value reach the first preset value all data points and
Its oil saturation value reaches all data points of the second preset value.
3), all data points that the oil saturation value is reached to the first preset value connect into the first curve, and will contain
All data points that oily intensity value reaches the second preset value connect into the second curve.In general, the oil saturation of reservoir is got over
It is high better;It has been investigated that the oil saturation of compact reservoir is generally mostly 40%~80%.Therefore, the application embodiment
In, first preset value can be set as 80%, and second preset value can be set as 40% oil saturation lower limit.
4), according to first curve, second curve is default and preset specific pore angle value curve, will be described
Specified region division in rectangular coordinate system is multiple evaluation areas, to form source storage configuration plate;The specified region is by pre-
If porosity cutoff curve and hydrocarbon source rock parameter lower limit curve surround.
In one embodiment of the application, with reference to research area's organic matter abundance in hydrocarbon source rock, maturity, reservoir porosity and contain
Oily saturation degree evaluation criterion, can establish evaluation criterion:I class dessert oil saturation is more than 80%, and porosity is more than 8%;II class
Dessert oil saturation is more than 8% between 40%-80%, porosity;III class dessert oil saturation is between 40%-80%, hole
Porosity is between 6%-8%;Non- dessert oil saturation is less than 40%, and porosity is less than 0.65 less than 6%, TOCRo parameters.By
This, according to first curve, second curve is default and preset specific pore angle value curve (such as porosity value is
8%) it is, multiple evaluation areas by the specified region division in the rectangular coordinate system, such as shown in Fig. 2.
S104, configuration plate is stored up according to the source to the fine and close oily dessert area evaluation of research area progress.
It is described that configuration plate oily sweet tea fine and close to research area progress is stored up according to the source in one embodiment of the application
The evaluation of point area may include steps of:
First, a hydrocarbon source rock parameter for not evaluating specified quantity hydrocarbon source rock in dessert area and hole in the research area are obtained
Porosity plan view, and corresponding data point is drawn on the source storage configuration plate, such as shown in Fig. 3;Secondly basis is fallen into
The data point situation in each evaluation area on the source storage configuration plate, it may be determined that the evaluation result in the dessert area;Then right
Next dessert area that do not evaluate is evaluated in the research area, successively recursion, until completing each dessert in the research area
The evaluation in area.
Although procedures described above flow includes the multiple operations occurred with particular order, it should however be appreciated that understand,
These processes may include more or fewer operations, these operations can be executed sequentially or be executed parallel (such as using parallel
Processor or multi-thread environment).
Refering to what is shown in Fig. 4, the densification oily dessert area evaluating apparatus of the application embodiment may include:
It is anti-to be determined for the total content of organic carbon of hydrocarbon source rock, vitrinite in research area for relation curve determining module 41
Penetrate the relation curve of rate and unit length supercharging amount;
Hydrocarbon source rock parameter value determining module 42 is determined for same Reservoir Section Different porosities in the research area
The capillary pressure value of each core sample, and according to the hydrocarbon source rock parameter value of the relation curve and each core sample;Institute
State the product that hydrocarbon source rock parameter value is total content of organic carbon and reflectance of vitrinite;
Source storage configuration plate builds module 43, is determined for the porosity value and oil-containing saturation of each core sample
Angle value, and source is built according to the porosity value, oil saturation value and hydrocarbon source rock parameter value of each core sample and stores up configuration diagram
Version;
Sweet spot region evaluation module 44 can be used for storing up configuration plate to the fine and close oil of research area progress according to the source
It evaluates in dessert area.
Refering to what is shown in Fig. 5, the densification oily dessert area evaluating apparatus of the application embodiment may include memory, processing
Device and the computer program being stored on the memory execute such as when the computer program is run by the processor
Lower step:
Determine that the relationship of the total content of organic carbon of hydrocarbon source rock, reflectance of vitrinite and unit length supercharging amount in research area is bent
Line;
Determine it is described research area in same Reservoir Section Different porosities each core sample capillary pressure value, and according to
The hydrocarbon source rock parameter value of the relation curve and each core sample;The hydrocarbon source rock parameter value be total content of organic carbon with
The product of reflectance of vitrinite;
Determine the porosity value and oil saturation value of each core sample, and according to each core sample
Porosity value, oil saturation value and hydrocarbon source rock parameter value structure source storage configuration plate;
Configuration plate is stored up according to the source, and the evaluation of fine and close oily dessert area is carried out to the research area.
For convenience of description, it is divided into various units when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each unit is realized can in the same or multiple software and or hardware when application.
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.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus
Or any other non-transmission medium, it can be used for storage and can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
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, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The application can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Usually, program module includes routines performing specific tasks or implementing specific abstract data types, program, object, group
Part, data structure etc..The application can also be put into practice in a distributed computing environment, in these distributed computing environments, by
Task is executed by the connected remote processing devices of communication network.In a distributed computing environment, program module can be with
In the local and remote computer storage media including storage device.
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 device 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.
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 (11)
1. a kind of fine and close oily dessert area evaluation method, which is characterized in that including:
Determine the relation curve of the total content of organic carbon of hydrocarbon source rock, reflectance of vitrinite and unit length supercharging amount in research area;
Determine the capillary pressure value of each core sample of same Reservoir Section Different porosities in the research area, and according to described
The hydrocarbon source rock parameter value of relation curve and each core sample;The hydrocarbon source rock parameter value is total content of organic carbon and mirror matter
The product of volume reflectivity;
Determine the porosity value and oil saturation value of each core sample, and according to the hole of each core sample
Angle value, oil saturation value and hydrocarbon source rock parameter value structure source storage configuration plate;
Configuration plate is stored up according to the source, and the evaluation of fine and close oily dessert area is carried out to the research area.
2. fine and close oily dessert area evaluation method as described in claim 1, which is characterized in that hydrocarbon source rock in the determining research area
Total content of organic carbon, reflectance of vitrinite and unit length supercharging amount relation curve, including:
Obtain the hydrocarbon simulated experiment data of multiple hydrocarbon source rock core samples in the research area;
It is fitted to obtain total content of organic carbon, reflectance of vitrinite and unit length supercharging amount according to the hydrocarbon simulated experiment data
Relation curve.
3. dessert area as claimed in claim 1 or 2 fine and close oily evaluation method, which is characterized in that the relation curve includes:
ΔPu=a × TOC × Rob;
Wherein, Δ PuFor the unit length supercharging amount of hydrocarbon source rock core sample;TOC is that the total organic carbon of hydrocarbon source rock core sample contains
Amount;Ro is the reflectance of vitrinite of hydrocarbon source rock core sample, and a, b are constant.
4. fine and close oily dessert area evaluation method as described in claim 1, which is characterized in that described according to each core sample
Porosity value, oil saturation value and the hydrocarbon source rock parameter value structure source storage configuration plate of product, including:
The porosity value of each core sample, oil saturation value and the corresponding data point of hydrocarbon source rock parameter value are drawn on
In rectangular coordinate system, abscissa is porosity in the rectangular coordinate system, and ordinate is hydrocarbon source rock parameter;
It determines in the rectangular coordinate system, oil saturation value reaches all data points of the first preset value and its oil-containing is satisfied
Reach all data points of the second preset value with angle value;
All data points that the oil saturation value is reached to the first preset value connect into the first curve, and by oil saturation
All data points that value reaches the second preset value connect into the second curve;
According to first curve, second curve is default and preset specific pore angle value curve, and the right angle is sat
Specified region division in mark system is multiple evaluation areas, to form source storage configuration plate;The specified region is by preset hole
Porosity lower limit curve and hydrocarbon source rock parameter lower limit curve surround.
5. fine and close oily dessert area evaluation method as described in claim 1, which is characterized in that described to store up configuration diagram according to the source
Version carries out the evaluation of fine and close oily dessert area to the research area, including:
Obtain a hydrocarbon source rock parameter for not evaluating specified quantity hydrocarbon source rock in dessert area and porosity plane in the research area
Figure, and corresponding data point is drawn on the source storage configuration plate;
According to the data point situation for falling into each evaluation area on the source storage configuration plate, the evaluation knot in the dessert area is determined
Fruit;
Recursion successively, until completing the evaluation in each dessert area in the research area.
6. a kind of fine and close oily dessert area evaluating apparatus, which is characterized in that including:
Relation curve determining module, total content of organic carbon, reflectance of vitrinite and unit for determining hydrocarbon source rock in research area
The relation curve of length supercharging amount;
Hydrocarbon source rock parameter value determining module, each core sample for determining same Reservoir Section Different porosities in the research area
The capillary pressure value of product, and according to the hydrocarbon source rock parameter value of the relation curve and each core sample;The hydrocarbon source rock
Parameter value is the product of total content of organic carbon and reflectance of vitrinite;
Source storage configuration plate builds module, the porosity value for determining each core sample and oil saturation value, and
Source storage configuration plate is built according to the porosity value, oil saturation value and hydrocarbon source rock parameter value of each core sample;
Sweet spot region evaluation module comments the fine and close oily dessert area of research area progress for storing up configuration plate according to the source
Valence.
7. fine and close oily dessert area evaluating apparatus as claimed in claim 6, which is characterized in that hydrocarbon source rock in the determining research area
Total content of organic carbon, reflectance of vitrinite and unit length supercharging amount relation curve, including:
Obtain the hydrocarbon simulated experiment data of multiple hydrocarbon source rock core samples in the research area;
It is fitted to obtain total content of organic carbon, reflectance of vitrinite and unit length supercharging amount according to the hydrocarbon simulated experiment data
Relation curve.
8. the oily dessert area evaluating apparatus of densification as claimed in claims 6 or 7, which is characterized in that the relation curve includes:
ΔPu=a × TOC × Rob;
Wherein, Δ PuFor the unit length supercharging amount of hydrocarbon source rock core sample;TOC is that the total organic carbon of hydrocarbon source rock core sample contains
Amount;Ro is the reflectance of vitrinite of hydrocarbon source rock core sample, and a, b are constant.
9. fine and close oily dessert area evaluating apparatus as claimed in claim 6, which is characterized in that described according to each core sample
Porosity value, oil saturation value and the hydrocarbon source rock parameter value structure source storage configuration plate of product, including:
The porosity value of each core sample, oil saturation value and the corresponding data point of hydrocarbon source rock parameter value are drawn on
In rectangular coordinate system, abscissa is porosity in the rectangular coordinate system, and ordinate is hydrocarbon source rock parameter;
It determines in the rectangular coordinate system, oil saturation value reaches all data points of the first preset value and its oil-containing is satisfied
Reach all data points of the second preset value with angle value;
All data points that the oil saturation value is reached to the first preset value connect into the first curve, and by oil saturation
All data points that value reaches the second preset value connect into the second curve;
According to first curve, second curve is default and preset specific pore angle value curve, and the right angle is sat
Specified region division in mark system is multiple evaluation areas, to form source storage configuration plate;The specified region is by preset hole
Porosity lower limit curve and hydrocarbon source rock parameter lower limit curve surround.
10. fine and close oily dessert area evaluating apparatus as claimed in claim 6, which is characterized in that described stored up according to the source configures
Plate carries out the evaluation of fine and close oily dessert area to the research area, including:
Obtain a hydrocarbon source rock parameter for not evaluating specified quantity hydrocarbon source rock in dessert area and porosity plane in the research area
Figure, and corresponding data point is drawn on the source storage configuration plate;
According to the data point situation for falling into each evaluation area on the source storage configuration plate, the evaluation knot in the dessert area is determined
Fruit;
Recursion successively, until completing the evaluation in each dessert area in the research area.
11. a kind of fine and close oily dessert area evaluating apparatus, including memory, processor and the meter being stored on the memory
Calculation machine program, which is characterized in that the computer program executes following steps when being run by the processor:
Determine the relation curve of the total content of organic carbon of hydrocarbon source rock, reflectance of vitrinite and unit length supercharging amount in research area;
Determine the capillary pressure value of each core sample of same Reservoir Section Different porosities in the research area, and according to described
The hydrocarbon source rock parameter value of relation curve and each core sample;The hydrocarbon source rock parameter value is total content of organic carbon and mirror matter
The product of volume reflectivity;
Determine the porosity value and oil saturation value of each core sample, and according to the hole of each core sample
Angle value, oil saturation value and hydrocarbon source rock parameter value structure source storage configuration plate;
Configuration plate is stored up according to the source, and the evaluation of fine and close oily dessert area is carried out to the research area.
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