CN105652339A - Crack prediction method and system based on soil consolidation experiment - Google Patents
Crack prediction method and system based on soil consolidation experiment Download PDFInfo
- Publication number
- CN105652339A CN105652339A CN201410722948.8A CN201410722948A CN105652339A CN 105652339 A CN105652339 A CN 105652339A CN 201410722948 A CN201410722948 A CN 201410722948A CN 105652339 A CN105652339 A CN 105652339A
- Authority
- CN
- China
- Prior art keywords
- soil
- order
- model
- knot soil
- order knot
- 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
- 239000002689 soil Substances 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000002474 experimental method Methods 0.000 title claims abstract description 37
- 238000007596 consolidation process Methods 0.000 title 1
- 206010017076 Fracture Diseases 0.000 claims abstract description 77
- 208000010392 Bone Fractures Diseases 0.000 claims abstract description 71
- 238000011161 development Methods 0.000 claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 27
- 230000004069 differentiation Effects 0.000 claims description 34
- 238000004445 quantitative analysis Methods 0.000 claims description 6
- 238000003325 tomography Methods 0.000 claims description 6
- 241000222065 Lycoperdon Species 0.000 claims description 5
- 241000768494 Polymorphum Species 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004904 shortening Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 6
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001089 mineralizing effect Effects 0.000 description 1
- 210000002706 plastid Anatomy 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a crack prediction method and system based on a target soil-binding experiment, wherein the crack prediction method based on the target soil-binding experiment comprises the following steps: selecting the soil with the structure of a mesh, and paving the soil with the structure of the mesh into a soil with the structure of a mesh experimental model according to the preset length, width and thickness of the model; extruding the mesh soil experimental model according to a preset speed, and acquiring evolution parameters of cracks of the mesh soil experimental model in the extruding process; and predicting a fracture development rule according to the evolution parameters and geological data of a to-be-predicted fracture reservoir in advance to guide well logging and drilling. According to the invention, the development rule of the fractured-anticline fractures is simulated through experiments, the evolution processes of fractures such as the trend of the fractures, the fracture distribution characteristics, the combination pattern of the fractures and the like are observed, the data fitting and the rule summarizing of the fractures to be predicted are predicted by combining geological data to guide the drilling and logging work, and the prediction accuracy of the fractured reservoir developing in the foreland fracture zone is effectively improved.
Description
Technical field
The present invention relates to oil exploration technology, particularly relate to a kind of crack prediction method based on order knot soil experiment and system.
Background technology
In the car foreland basin of storehouse, there is good petroleum-geologic condition, deep layer Cretaceous Sandstone Reservoirs has been found that a series of Large gas field at present under salt. Owing to reservoir buried depth is relatively big, the nearly 7000m of average buried depth, therefore this region internal fissure has important influence factor for the exploitation of natural gas.
Current pin storehouse car foreland basin deeper clefts research method is concentrated mainly on the modeling of following several (1) surface cracks, it is possible to by the means that surface occurence is observed, add up the growth density in Number of Fractures, width calculation crack; (2) curvature method, by being simulated the form of anticline, according to curvature estimation fracture development density and distribution; (3) stress field simulation method, is namely simulated in conjunction with rock rupture parameter prediction fracture development zone by crustal stress; (4) the seismic properties method of inversion, utilizes seismic data attribute to carry out three dimensions results of fracture simulation. Above-mentioned four kinds of methods are all conventional thrust belts crack modeling methods, have played important function in the process of oil-gas exploration.
But, for deeper clefts reservoir prediction under the car salt of storehouse, owing to surface cracks is superposition of many phases crack and obvious with underground stress condition difference, storehouse car foreland deformation zone structural deformation is complicated, target zone buried depth is big, very difficult foundation stress field accurately, it is impossible to the time of day of reaction subterranean fracture, causes that the fracture reservoir forecasting accuracy to storehouse car foreland deformation zone is low.
Summary of the invention
The present invention provides a kind of crack prediction method based on order knot soil experiment and system, complicated for solving car foreland deformation zone structural deformation in storehouse in prior art, target zone buried depth is big, very difficult foundation stress field accurately, the time of day of subterranean fracture can not be reacted, cause the problem that the fracture reservoir forecasting accuracy to storehouse car foreland deformation zone is low.
One aspect of the present invention provides a kind of crack prediction method based on order knot soil experiment, including:
Choose order knot soil, according to the model length pre-set, width and thickness, described order is tied soil and be laid to order knot soil experimental model;
According to the speed pre-set, described order knot soil experimental model is extruded, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process;
According to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well.
Optionally, described order knot soil free from admixture, and plastic index is more than or equal to 28.
Optionally, described in choose order knot soil, according to the model length pre-set, width and thickness by described order tie soil be laid to order knot soil experimental model, including:
Choose Lycoperdon polymorphum Vitt, free from admixture, fineness are 800 and the plastic index order knot soil more than or equal to 28;
Described order knot soil is added water and after being deployed into default viscosity, puts into molding device, carry out cutting process after undetermined type, obtain order knot soil piecemeal;
According to the model length pre-set, width and thickness, described order knot soil piecemeal is laid in experimental tank, and adopts the colored grains of sand to accomplish fluently grid, form order knot soil experimental model.
Optionally, described order knot soil experimental model is extruded by the speed that described basis pre-sets, and obtains described order knot soil experimental model differentiation parameter in crack in being extruded process, including:
Described order knot soil experimental model is extruded by the arbitrary speed speed driving motor being set within the scope of 0.01mm/s-0.03mm/s;
To described order knot soil experimental model extrusion process in, interval preset the time record described order knot soil experimental model laminagram;
According at least one Zhang Suoshu laminagram, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process.
Optionally, described differentiation parameter includes: tomography shortening amount, fault throw, anticline amplitude, slit band length and slit band width.
Optionally, the described geologic information obtaining fracture reservoir to be predicted in advance includes well-log information and rock core information.
Optionally, described according to described differentiation parameter with the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well, including:
According to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out quantitative analysis and set up the mature fault model of described fracture reservoir to be predicted, fold development model and fractue spacing model;
According to described mature fault model, described fold development model and described fractue spacing model, described fracture reservoir to be predicted is carried out fracture development law forecasting in order to instruct well logging and drilling well.
Second aspect present invention provides a kind of fracture prediction system based on order knot soil experiment, including: collecting device, control equipment, experimental box, constant speed motor;
Described experimental box for laying the order knot soil chosen and obtaining order knot soil experimental model according to the model length pre-set, width and thickness;
Described constant speed motor is for extruding described order knot soil experimental model according to the speed pre-set; Described collecting device is for obtaining described order knot soil experimental model differentiation parameter in crack in being extruded process;
Described control equipment is for according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carrying out fracture development law forecasting in order to instruct well logging and drilling well.
Optionally, described experimental box specifically includes water-proof floor, fixing plate, portable plate and two glass plates.
Crack prediction method based on order knot soil experiment provided by the invention and system, choose order knot soil, according to the model length pre-set, described order is tied soil and is laid to order knot soil experimental model by width and thickness, according to the speed pre-set, described order knot soil experimental model is extruded, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process, according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well, simulate the law of development in faulted anticline crack by experiment, observe the trend in crack, the evolution process in the cracks such as the assemble pattern in fractue spacing structure and crack, and in conjunction with geologic information to fracture number to be predicted according to matching, Rule Summary is predicted instructing drilling well and well logging, it is effectively improved the fracture reservoir forecasting accuracy to storehouse car foreland deformation zone type.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the present invention flow chart based on the crack prediction method embodiment one of order knot soil experiment;
Fig. 2 a is the present invention flow chart based on the crack prediction method embodiment two of order knot soil experiment;
Fig. 2 b is the present invention experiment schematic diagram based on the crack prediction method embodiment two of order knot soil experiment;
Fig. 3 a is the present invention flow chart based on the crack prediction method embodiment three of order knot soil experiment;
Fig. 3 b is the present invention experiment schematic diagram based on the crack prediction method embodiment three of order knot soil experiment;
Fig. 3 c is the crack schematic diagram that the present invention obtains based on the crack prediction method embodiment three that order knot soil is tested;
Fig. 4 is the present invention structural representation based on the fracture prediction system of order knot soil experiment.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is the flow chart that the present invention ties the crack prediction method embodiment one of native experiment based on order, as it is shown in figure 1, concretely comprising the following steps of the native crack prediction method tested should be tied based on order:
S101: choose order knot soil, ties soil according to the model length pre-set, width and thickness by described order and is laid to order knot soil experimental model.
In the present embodiment, add water allotment by the order chosen knot soil, according to the length of the initial model designed, width and thickness, is layed in experimental tank by order knot soil piecemeal, with scoop by floating for the surface of order knot soil, to carry out constructing quantitative analysis.
Concrete optional, described order knot soil free from admixture, and plastic index is more than or equal to 28, and this order knot soil be Lycoperdon polymorphum Vitt, free from admixture, fineness be 800 and the plastic index order knot soil more than or equal to 28.
S102: described order knot soil experimental model is extruded according to the speed pre-set, obtains described order knot soil experimental model differentiation parameter in crack in being extruded process.
In the present embodiment, use and drive motor that order knot soil experimental model is extruded, observation experiment process, and be recorded, in order to obtain and develop parameter.
Generally, this differentiation parameter includes: tomography shortening amount, fault throw, anticline amplitude, slit band length and slit band width.
S103: according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carries out fracture development law forecasting in order to instruct well logging and drilling well.
In the present embodiment, develop parameter according to the tomography shortening amount of record structure, fault throw, anticline amplitude and slit band length, slit band width etc., according to quantitative data fitting formula, Rule Summary, carry out slit band prediction in conjunction with actual geologic information.
The crack prediction method based on order knot soil experiment that the present embodiment provides, according to the model length pre-set, described order is tied soil and is laid to order knot soil experimental model by width and thickness, according to the speed pre-set, described order knot soil experimental model is extruded, obtain the differentiation parameter being extruded in process crack, according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well, simulate the law of development in faulted anticline crack by experiment, observe the trend in crack, the evolution process in the cracks such as the assemble pattern in fractue spacing structure and crack, and in conjunction with geologic information to fracture number to be predicted according to matching, Rule Summary is predicted instructing drilling well and well logging, it is effectively improved the fracture reservoir forecasting accuracy to storehouse car foreland deformation zone type.
Fig. 2 a is the present invention flow chart based on the crack prediction method embodiment two of order knot soil experiment, Fig. 2 b is the present invention experiment schematic diagram based on the crack prediction method embodiment two of order knot soil experiment, as shown in Figure 2 a, on the basis of above-described embodiment, the step that implements of S101 is:
S201: choose Lycoperdon polymorphum Vitt, free from admixture, fineness are 800 and the plastic index order knot soil more than or equal to 28.
S202: described order knot soil is added water and puts into molding device after being deployed into default viscosity, carry out cutting process after undetermined type, obtain order knot soil piecemeal.
In the present embodiment, it is preferable that order knot soil, Lycoperdon polymorphum Vitt, fineness 800, free from admixture, plastic index is more than or equal to 28. Molding device molding is put in the allotment that adds water to reasonable viscosity, after undetermined type cuts clay with convenient-laying.
S203: according to the model length pre-set, width and thickness, is laid on described order knot soil piecemeal in experimental tank, and adopts the colored grains of sand to accomplish fluently grid, forms order knot soil experimental model.
In the present embodiment, according to the length of the initial model designed, width and thickness, order knot soil piecemeal is layed in experimental tank, with scoop by floating for the surface of order knot soil, accomplishes fluently grid to carry out structure quantitative analysis with the colored grains of sand thereon.
On the basis of the embodiment shown in above-mentioned Fig. 1, Fig. 2 a and Fig. 2 b, Fig. 3 a is the present invention flow chart based on the crack prediction method embodiment three of order knot soil experiment, and Fig. 3 b is the present invention experiment schematic diagram based on the crack prediction method embodiment three of order knot soil experiment; Fig. 3 c is the crack schematic diagram that the present invention obtains based on the crack prediction method embodiment three that order knot soil is tested; As shown in Figure 3 a, S102: described order knot soil experimental model is extruded according to the speed pre-set, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process, and S103: according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well to implement step as follows:
S301: described order knot soil experimental model is extruded by the arbitrary speed speed driving motor being set within the scope of 0.01mm/s-0.03mm/s.
S302: to described order knot soil experimental model extrusion process in, interval preset the time record described order knot soil experimental model laminagram.
S303: according at least one Zhang Suoshu laminagram, obtains described order knot soil experimental model differentiation parameter in crack in being extruded process.
In the present embodiment, described differentiation parameter includes: tomography shortening amount, fault throw, anticline amplitude, slit band length and slit band width.
S304: according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carries out quantitative analysis and sets up the mature fault model of described fracture reservoir to be predicted, fold development model and fractue spacing model.
In the present embodiment, the described geologic information obtaining fracture reservoir to be predicted in advance includes well-log information and rock core information.
S305: described fracture reservoir to be predicted is carried out fracture development law forecasting in order to instruct well logging and drilling well according to described mature fault model, described fold development model and described fractue spacing model.
On the basis of the embodiment shown in above-mentioned Fig. 1, Fig. 2 a, Fig. 2 b, Fig. 3 a, Fig. 3 b and Fig. 3 c, name several application in actual prediction process effect so that this programme to be described, specific as follows:
Example one: storehouse car foreland deformation zone ks2 structure is in the faulted anticline trap of storehouse car foreland deformation zone salt lower floor, and buried depth is more than 6500m, average pore 5%, and for special low hole, hypotonic type reservoir, reservoir internal fissure is generally grown, and is the major reason affecting production capacity. Impact big by buried depth, that seismic data quality is poor, drilling extracting core data is few, fracture development pattern is failed to understand. Ks2 structure has been carried out the simulation of characteristics of fracture development by this method, and analog result shows that this structure planted agent grows East and West direction extrusion slot, adjustment crack, nearly north-south and diagonal tension fissure. Wherein north-south adjustment crack and diagonal tension fissure stretching degree are maximum, most useful for high yield. Establish north-south according to experimental result and regulate the crack zone development model at fault throw shake band, it was predicted that have 9 in this structural belt and regulate slit bands. In fact bore proof, all obtain the high yield more than 300,000 sides regulating 5 mouthfuls of drilling wells in slit band, average productivity is more than other drilling wells in structure, it was demonstrated that the accuracy of this prediction of result.
Example two: storehouse car foreland deformation zone ks8 structure is in the faulted anticline trap of storehouse car foreland deformation zone salt lower floor, is positioned at ks2 structure south, and buried depth is more than 6500m, average pore 5%, for special low hole, hypotonic type reservoir, reservoir internal fissure is generally grown, and is the major reason affecting production capacity. Impact big by buried depth, that seismic data quality is poor, drilling extracting core data is few, fracture development pattern is failed to understand. Ks8 structure has been carried out the simulation of characteristics of fracture development by this method, and analog result shows that this structure planted agent grows East and West direction extrusion slot, adjustment crack, nearly north-south and diagonal tension fissure. Wherein north-south adjustment crack and diagonal tension fissure stretching degree are maximum, most useful for high yield. The model of fault throw shake band is set up, it was predicted that have 7 in this structural belt and regulate slit bands according to this experimental data. In fact bore proof, all obtain the high yield more than million sides regulating 4 mouthfuls of drilling wells in slit band, become the trap that storehouse car foreland deformation zone average daily production is the highest, it was demonstrated that the accuracy of this achievement prediction, greatly promote this block exploration and development process.
The crack prediction method effect in actual applications based on order knot soil experiment that the present embodiment provides is notable, and the storehouse car foreland deformation zone carat Soviet Union deep zone Cretaceous sandstone buried depth of structural belt gram is generally more than 7000m, and crack is the principal element controlling Gas Productivity.This block is applied this invention achievement and gram deep, rich diligent block has been carried out the simulation study of fracture development rule, obtains good effect, provides new method for choosing of high-yield well. The method simulates faulted anticline fracture development rule, and process can be visually observed that the assemble pattern of the trend in crack, slit band distributed structure position and slit band by experiment, and the planar characteristics of distribution research for deep layer faulted anticline crack provides physical model. Experiment can recover the mineralizing evolution process of faulted anticline, it is observed that the growth in crack, connect and open process in experimental result, the history of evolution research for crack provides foundation. By the quantitative analysis of experimental result can be set up tomography, fold grows the quantitative model with Fracture distribution, can the growth in plastid crack practically be predicted according to model, instructs drilling well to dispose and is greatly accelerated exploration and development rhythm. The conventional fracture research method time is longer, it is necessary to do the process explanation work of substantial amounts of field work and seismic data. Application this method is mainly based on laboratory experiment, and experimentation is clear, and the linking of each link closely, has greatly been saved the time, improve Efficiency. Being greatly saved cost, conventional fracture research method is with high costs, it is necessary to expend substantial amounts of human and material resources. The main appliance computer software of this method and laboratory experiment equipment complete, low operation cost, and material is bought convenient, and cheap achievement is with a high credibility can greatly save exploration cost.
2013-2014 utilizes this technological achievement to carry out primary study at carat Soviet Union structural belt, and by the identical rate height of slit band with the real contrast the method prediction boring data, the direction in crack, density and production capacity all meet with theoretical model. Wherein in favourable Fractured Zone, drilling well all obtains high yield. The average natural gas daily output surpasses 500,000 sides, and emphasis block on average produces side over million daily.
Fig. 4 is the structural representation of the fracture prediction system that the present invention tests based on order knot soil, as shown in Figure 4, should tie the fracture prediction system 10 of soil experiment based on order, including: collecting device 11, control equipment 12, experimental box 13, constant speed motor 14; Described experimental box 13 for laying the order knot soil chosen and obtaining order knot soil experimental model according to the model length pre-set, width and thickness; Described constant speed motor 14 is for extruding described order knot soil experimental model according to the speed pre-set; Described collecting device 11 is for obtaining described order knot soil experimental model differentiation parameter in crack in being extruded process; Described control equipment 12 is for according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carrying out fracture development law forecasting in order to instruct well logging and drilling well.
Wherein, described experimental box 13 specifically includes water-proof floor, fixing plate, portable plate and two glass plates.
The fracture prediction system based on order knot soil experiment that the present embodiment provides, for performing the technical scheme of the arbitrary shown embodiment of the method for Fig. 1-3, it is similar with technique effect that it realizes principle, according to the model length pre-set, described order is tied soil and is laid to order knot soil experimental model by width and thickness, according to the speed pre-set, described order knot soil experimental model is extruded, obtain the differentiation parameter being extruded in process crack, according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well, simulate the law of development in faulted anticline crack by experiment, observe the trend in crack, the evolution process in the cracks such as the assemble pattern in fractue spacing structure and crack, and in conjunction with geologic information to fracture number to be predicted according to matching, Rule Summary is predicted instructing drilling well and well logging, it is effectively improved the fracture reservoir forecasting accuracy to storehouse car foreland deformation zone type.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit; Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. the crack prediction method based on order knot soil experiment, it is characterised in that including:
Choose order knot soil, according to the model length pre-set, width and thickness, described order is tied soil and be laid to order knot soil experimental model;
According to the speed pre-set, described order knot soil experimental model is extruded, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process;
According to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out fracture development law forecasting in order to instruct well logging and drilling well.
2. method of testing according to claim 1, it is characterised in that described order knot soil free from admixture, and plastic index is more than or equal to 28.
3. method of testing according to claim 2, it is characterised in that described in choose order knot soil, according to the model length pre-set, width and thickness by described order tie soil be laid to order knot soil experimental model, including:
Choose Lycoperdon polymorphum Vitt, free from admixture, fineness are 800 and the plastic index order knot soil more than or equal to 28;
Described order knot soil is added water and after being deployed into default viscosity, puts into molding device, carry out cutting process after undetermined type, obtain order knot soil piecemeal;
According to the model length pre-set, width and thickness, described order knot soil piecemeal is laid in experimental tank, and adopts the colored grains of sand to accomplish fluently grid, form order knot soil experimental model.
4. method of testing according to claim 3, it is characterised in that described order knot soil experimental model is extruded by the speed that described basis pre-sets, obtains described order knot soil experimental model differentiation parameter in crack in being extruded process, including:
Described order knot soil experimental model is extruded by the arbitrary speed speed driving motor being set within the scope of 0.01mm/s-0.03mm/s;
To described order knot soil experimental model extrusion process in, interval preset the time record described order knot soil experimental model laminagram;
According at least one Zhang Suoshu laminagram, obtain described order knot soil experimental model differentiation parameter in crack in being extruded process.
5. method of testing according to claim 4, it is characterised in that described differentiation parameter includes: tomography shortening amount, fault throw, anticline amplitude, slit band length and slit band width.
6. method of testing according to claim 5, it is characterised in that the described geologic information obtaining fracture reservoir to be predicted in advance includes well-log information and rock core information.
7. method of testing according to claim 6, it is characterised in that described according to described differentiation parameter with the geologic information obtaining fracture reservoir to be predicted in advance, carries out fracture development law forecasting in order to instruct well logging and drilling well, including:
According to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carry out quantitative analysis and set up the mature fault model of described fracture reservoir to be predicted, fold development model and fractue spacing model;
According to described mature fault model, described fold development model and described fractue spacing model, described fracture reservoir to be predicted is carried out fracture development law forecasting in order to instruct well logging and drilling well.
8. the fracture prediction system based on order knot soil experiment, it is characterised in that including: collecting device, control equipment, experimental box, constant speed motor;
Described experimental box for laying the order knot soil chosen and obtaining order knot soil experimental model according to the model length pre-set, width and thickness;
Described constant speed motor is for extruding described order knot soil experimental model according to the speed pre-set; Described collecting device is for obtaining described order knot soil experimental model differentiation parameter in crack in being extruded process;
Described control equipment is for according to described differentiation parameter and the geologic information obtaining fracture reservoir to be predicted in advance, carrying out fracture development law forecasting in order to instruct well logging and drilling well.
9. system according to claim 8, it is characterised in that described experimental box specifically includes water-proof floor, fixing plate, portable plate and two glass plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722948.8A CN105652339B (en) | 2014-12-02 | Crack prediction method and system based on soil consolidation experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722948.8A CN105652339B (en) | 2014-12-02 | Crack prediction method and system based on soil consolidation experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105652339A true CN105652339A (en) | 2016-06-08 |
| CN105652339B CN105652339B (en) | 2018-06-01 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091081A (en) * | 2017-06-02 | 2017-08-25 | 中国石油天然气股份有限公司 | Method and system for early warning of drilling fault in drilling process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1435527A1 (en) * | 2002-12-20 | 2004-07-07 | Institut Francais Du Petrole | Method of establishing a model to simulate the filling of a multi-lithology sedimentary basin |
| JP2004219166A (en) * | 2003-01-10 | 2004-08-05 | Mitsui Mining & Smelting Co Ltd | Soil identification device, soil identification method, and program for allowing computer to perform the method |
| CN102108860A (en) * | 2010-12-30 | 2011-06-29 | 中国石油化工股份有限公司胜利油田分公司地质科学研究院 | Visualized fracture network oil displacement model and manufacturing method thereof |
| CN102852516A (en) * | 2012-04-19 | 2013-01-02 | 北京大学 | Full-sew-length three-dimensional crushing data simulation method and device for oil and gas reservoir development |
| CN103278864A (en) * | 2013-05-10 | 2013-09-04 | 中国石油天然气股份有限公司 | Method and device for measuring geological characteristic parameters and distribution of hole seam type reservoir |
| CN103324770A (en) * | 2012-03-21 | 2013-09-25 | 中国石油天然气股份有限公司 | Prediction method for effective natural fracture plane distribution rule of oil reservoir |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1435527A1 (en) * | 2002-12-20 | 2004-07-07 | Institut Francais Du Petrole | Method of establishing a model to simulate the filling of a multi-lithology sedimentary basin |
| JP2004219166A (en) * | 2003-01-10 | 2004-08-05 | Mitsui Mining & Smelting Co Ltd | Soil identification device, soil identification method, and program for allowing computer to perform the method |
| CN102108860A (en) * | 2010-12-30 | 2011-06-29 | 中国石油化工股份有限公司胜利油田分公司地质科学研究院 | Visualized fracture network oil displacement model and manufacturing method thereof |
| CN103324770A (en) * | 2012-03-21 | 2013-09-25 | 中国石油天然气股份有限公司 | Prediction method for effective natural fracture plane distribution rule of oil reservoir |
| CN102852516A (en) * | 2012-04-19 | 2013-01-02 | 北京大学 | Full-sew-length three-dimensional crushing data simulation method and device for oil and gas reservoir development |
| CN103278864A (en) * | 2013-05-10 | 2013-09-04 | 中国石油天然气股份有限公司 | Method and device for measuring geological characteristic parameters and distribution of hole seam type reservoir |
Non-Patent Citations (2)
| Title |
|---|
| 刘玉萍 等: "褶皱—冲断体系双层滑脱构造变形物理模拟实验", 《石油实验地质》 * |
| 张云峰 等: "正断层伴生裂缝物理模拟实验研究", 《科学技术与工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091081A (en) * | 2017-06-02 | 2017-08-25 | 中国石油天然气股份有限公司 | Method and system for early warning of drilling fault in drilling process |
| CN107091081B (en) * | 2017-06-02 | 2020-11-03 | 中国石油天然气股份有限公司 | Method and system for early warning of drilling fault in drilling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104345133B (en) | Numerical analysis method applied to leaking and channeling mechanism and prevention and control method of injection fluid | |
| CN105952427B (en) | A kind of prediction of low-permeability oil deposit water filling induced fractures and evaluation method | |
| CN109779624A (en) | Crack-hole type carbonate reservoir method is evaluated based on karst parametric synthesis | |
| CN103234791A (en) | Making method of stratified model for hydrofracture physical simulation test | |
| CN104563993A (en) | Staged fracturing or synchronous fracturing simulation experiment method for shale horizontal well | |
| CN108561106A (en) | Oil and gas exploitation method for increasing recovery ratio by controlling reserves through artificial seams | |
| DE112011103548T5 (en) | A method of creating a subsurface fracture network | |
| CN105874158A (en) | Modeling of interaction of hydraulic fractures in complex fracture networks | |
| CA2852044A1 (en) | System and method for performing stimulation operations | |
| CN106437674A (en) | Imitation horizontal well waterflooding well pattern adapting method | |
| CN106501856A (en) | Sub- earthquake fault quantitative forecasting technique | |
| Hofmann et al. | Potential for enhanced geothermal systems in low permeability limestones–stimulation strategies for the Western Malm karst (Bavaria) | |
| Kolawole et al. | Optimization of hydraulic fracturing design in unconventional formations: impact of treatment parameters | |
| CN105204088A (en) | Simulation test apparatus of tectonic stress field and method thereof | |
| CN105370268B (en) | A kind of method and apparatus of optimum level well staged fracturing parameter | |
| CN107060705A (en) | A kind of CO2Oil reservoirs has channeling passage dynamic playback method | |
| CN107366526A (en) | Screening method of compact oil reservoir suitable for carbon dioxide miscible flooding | |
| Todd et al. | An Evaluation of EOR Potential in the Elm Coulee Bakken Formation, Richland County, Montana | |
| Snopkowski et al. | Method of the production cycle duration time modeling within hard coal longwall faces | |
| CN105003240A (en) | Hydrofracture design parameter optimization method based on fine classification of reservoir | |
| CN105243210A (en) | Method for predicting formation fracture pressure by using imaging logging information | |
| Zhou et al. | Modeling of hydraulic fracture propagation at the kISMET site using a fully coupled 3D network-flow and quasi-static discrete element model | |
| CN105652339A (en) | Crack prediction method and system based on soil consolidation experiment | |
| CN111997581B (en) | Heterogeneous oil reservoir development method and device and electronic equipment | |
| CN105652339B (en) | Crack prediction method and system based on soil consolidation experiment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |