CN105785445A - Crack pattern identifying method and apparatus - Google Patents
Crack pattern identifying method and apparatus Download PDFInfo
- Publication number
- CN105785445A CN105785445A CN201511000815.0A CN201511000815A CN105785445A CN 105785445 A CN105785445 A CN 105785445A CN 201511000815 A CN201511000815 A CN 201511000815A CN 105785445 A CN105785445 A CN 105785445A
- Authority
- CN
- China
- Prior art keywords
- rock core
- crack
- fissures
- combination
- core section
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
Abstract
The invention provides a crack pattern identifying method and apparatus. The method includes the following steps: in accordance with growth characteristics of a crack combination pattern of a rock core segment and an imaging logging image of the rock core segment, acquiring a crack imaging logging explanation model; using the crack imaging logging explanation model to identify crack patterns of a full well section imaging logging. The method increases reservoir stratum imaging logging crack identification precision, makes clear reservoir stratum crack vertical layered characteristics and combination patterns, and provides a basic geology model for crack research.
Description
Technical field
The present invention relates to reservoir exploration and development field, particularly relate to a kind of crack mode identification method and device.
Background technology
nullIn reservoir exploration process，Can find reservoir is grown have some intrinsic fractures，Particularly in East China buried depth more than 3500m、The west area buried depth deep burial reservoir more than 4000m，Such as, under storehouse car foreland basin carat Soviet Union structural belt salt, deep layer Cretaceous System Ba Shijiqike group sandstone reservoir buried depth is all more than 6000m，Belong to super deep burial reservoir，Affected by the storehouse strong squeezing action of car foreland basin and Paleogene System salt tectonic，Under storehouse car foreland basin carat Soviet Union structural belt salt, ultra-deep layer Cretaceous System Ba Shijiqike group low hole sandstone reservoir generally grows intrinsic fracture，Effective fracture combination wherein of certain scale has important function for the permeability and well yield improving low hole sandstone reservoir，Exploration practices shows，Ultra-deep slabbing sewer has different development models，Wherein extensional fracture、Cutting property crack can be effectively improved Reservoir Section oil and gas production，It it is the advantage crack in evaluating reservoir.Thus how to apply that well-log information accurately identifies crack pattern, preferred advantageous fracture developing zone is carried out reservoir test and is transformed into one of key issue of restriction ultra-deep layer oil-gas exploration and development.
Three kinds are mainly had: (1) is based on the sinusoidal extraction method manually of imaging logging image light and shade currently for crack identification method；(2) by the Computer Automatic Extraction method of the graphical analysis means such as different calculation methods, flow model in porous media；(3) the multiple Logging Curves fractures such as resistivity, sound wave, compensated neutron, density and stratigraphic dip are utilized to be identified.
But all there is limitation in above-mentioned three kinds of crack identification methods: (1) artificial extraction method rarely has with reference to the geology assemblage characteristic in crack own, and the gray scale being more dependent on imaging logging image differentiates；(2) although Computer Automatic Extraction method is efficient and convenient, but being affected by the material such as noise and hole, adulterate many noises in the crack of extraction, lacks seriality；(3) Logging Curves method has very big ambiguity and limitation in accurately determining crack figure, fracture parameters etc., generally uses only as reference.Thus the identification of crack pattern should be carried out in aforementioned manners, accuracy of identification is relatively low.
Summary of the invention
The present invention provides a kind of crack mode identification method and device, in order to solve the problem that in prior art, crack mode identification method accuracy of identification is low.
The present invention provides a kind of crack mode identification method, including:
The development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtain image logging interpretation model；
Utilize described image logging interpretation model that the crack pattern of full well section imaging logging is identified.
Optionally, the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, also include before obtaining image logging interpretation model:
By surveying gamma curve and ground based scanning gamma curve, the real rock core information that bores is carried out the playback correction of the rock core degree of depth, make the described real rock core boring rock core information return to the actual grade under underground well logging is measured；
According to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, set up the combination of fissures of rock core section, and contrast the development characteristics of the combination of fissures obtaining described rock core section.
Optionally, the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, obtain image logging interpretation model and include:
The development characteristics of the combination of fissures of described rock core section is demarcated on the imaging logging image of described rock core section；
In conjunction with the imaging logging image of the development characteristics of combination of fissures of described rock core section and calibrated described rock core section, obtain described image logging interpretation model.
Optionally, described described image logging interpretation model is utilized also to include after the crack pattern of full well section imaging logging is identified:
Recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence；
According to the crack figure feature under described actual formation occurrence, fracture is combined, and sets up full well section combination of fissures.
Optionally, described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
The present invention provides a kind of crack pattern recognition device, including:
Acquisition module, is used for the development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtains image logging interpretation model；
Identification module, for utilizing described image logging interpretation model that the crack pattern of full well section imaging logging is identified.
Optionally, described device also includes:
Correction module, for the real rock core information that bores being carried out the playback correction of the rock core degree of depth by actual measurement gamma curve and ground based scanning gamma curve, makes the described rock core boring rock core information in fact return to the actual grade under underground well logging is measured；
Set up module, for according to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, setting up the combination of fissures of rock core section；
Described acquisition module is additionally operable to the development characteristics that contrast obtains the combination of fissures of described rock core section.
Optionally, described acquisition module includes:
Demarcate unit, for the development characteristics of the combination of fissures of described rock core section being demarcated the imaging logging image of described rock core section；
Acquiring unit, is used for the development characteristics of the combination of fissures in conjunction with described rock core section and the imaging logging image of calibrated described rock core section, obtains described image logging interpretation model.
Optionally, described correction module is additionally operable to the recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence；
Described module of setting up is additionally operable to according to the crack figure feature under described actual formation occurrence, and fracture is combined, and sets up full well section combination of fissures.
Optionally, described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
Crack provided by the invention mode identification method and device, by the imaging logging image of the development characteristics of the combination of fissures according to rock core section and rock core section, obtain image logging interpretation model, utilize this image logging interpretation model, the crack pattern of full well section imaging logging is identified, thus being interpreted full well section imaging logging crack evaluating, it is preferable that advantage fracture developing zone.The method increase reservoir imaging logging crack identification precision, specify that Reservoir Fracture vertical layered feature and integrated mode, provide the foundation geological model for the research in crack.
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 flow chart of crack provided by the invention mode identification method embodiment one；
Fig. 2 is image logging interpretation model provided by the invention；
Fig. 3 is the flow chart of crack provided by the invention mode identification method embodiment two；
Fig. 4 is the flow chart of crack provided by the invention mode identification method embodiment three；
Fig. 5 is individual well crack comprehensive study figure；
Fig. 6 is the flow chart of crack provided by the invention mode identification method embodiment four；
Fig. 7 is advantage crack provided by the invention and crustal stress angled relationships figure；
Fig. 8 is the structural representation of crack provided by the invention pattern recognition device embodiment one；
Fig. 9 is the structural representation of crack provided by the invention pattern recognition device embodiment two；
Figure 10 is the structural representation of crack provided by the invention pattern recognition device embodiment three.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only 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.
Some areas are the area of concentrations of fracture developing zone, the reservoir of this fracture developing zone is grown and has a lot of intrinsic fracture, such as storehouse car foreland basin carat Soviet Union structural belt is affected by complicated Thrusting, ultra-deep layer rock bends down sandstone reservoir crack, hole and grows very much, and fracture developing zone is often stable high yield region.Owing to ultra-deep hyperpressure hyperthermal causes that Image Logging Data crack explains there is multi-solution, often occur that imaging logging and rock core are misfitted.The crack mode identification method of the present invention is applied to this area, efficiently solves the problems referred to above.
Fig. 1 is the flow chart of crack provided by the invention mode identification method embodiment one；As it is shown in figure 1, the method includes:
S11: the imaging logging image according to the development characteristics of the combination of fissures of rock core section and rock core section, obtains image logging interpretation model.
Wherein, its development characteristics of different combination of fissures is different, it is high-visible in pit shaft that the rock core development characteristics in such as wild goose crack shows as a plurality of wild goose crack, or being also embodied by the interior only sub-fraction of a plurality of wild goose crack pit shaft, the rock core development characteristics of parallel adjustment seam shows as some secondary cracks of derivation in the middle of two subparallel cracks and intersects etc. with it；And wild goose crack shows as a plurality of sine curve on imaging logging image, or it is sinusoidal a part of arranged in parallel with several to be also embodied by several sine curves, and parallel adjustment is sewn on imaging logging image and shows as has interrupted sine curve etc. in the middle of two complete sine curves；The imaging logging image of the development characteristics of the combination of fissures according to above-mentioned rock core section and the rock core section of its correspondence, generates and obtains image logging interpretation model.Fig. 2 is image logging interpretation model provided by the invention, as in figure 2 it is shown, the rock core characteristics of fracture development including different combination of fissures describes, rock core crack diagram represents and the characteristics of fracture development of imaging logging image of correspondence, crack feature on image show etc..
S12: utilize image logging interpretation model that the crack pattern of full well section imaging logging is identified.
In this step, utilize the image logging interpretation model that previous step generates that the crack pattern of the imaging logging of full well section is identified, in order to be interpreted full well section imaging logging crack evaluating, it is preferable that advantage fracture developing zone.
The crack mode identification method of the present embodiment, by the imaging logging image of the development characteristics of the combination of fissures according to rock core section and rock core section, obtain image logging interpretation model, utilize this image logging interpretation model, the crack pattern of full well section imaging logging is identified, thus being interpreted full well section imaging logging crack evaluating, it is preferable that advantage fracture developing zone.The method increase reservoir imaging logging crack identification precision, specify that Reservoir Fracture vertical layered feature and integrated mode, provide the foundation geological model for the research in crack.
Fig. 3 is the flow chart of crack provided by the invention mode identification method embodiment two；As it is shown on figure 3, on the basis of embodiment one, the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, also include before obtaining image logging interpretation model:
S21: by surveying gamma curve and ground based scanning gamma curve, the real rock core information that bores is carried out the playback correction of the rock core degree of depth, make the real rock core boring rock core information return to the actual grade under underground well logging is measured.
In this step, by the relative analysis to actual measurement gamma curve and ground based scanning gamma curve, the real rock core degree of depth playback that carries out boring rock core information is corrected, makes the real rock core boring rock core information return to the actual grade measured of logging well in underground.
S22: according to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, set up the combination of fissures of rock core section, and contrast the development characteristics of the combination of fissures obtaining rock core section.
In this step, the lithology of rock core section after degree of depth playback corrects, deposition structure and FRACTURE CHARACTERISTICS is carried out according to what fetch, set up the combination of fissures of rock core section, this integrated mode includes wild goose crack, parallel adjustment is stitched, directly split some crack patterns of seam etc., and is obtained the development characteristics of the combination of fissures of this rock core section by relative analysis.
The crack mode identification method of the present embodiment, by the conventional logging data of actual measurement gamma curve, ground based scanning gamma curve, the real rock core information that bores is carried out the playback correction of the rock core degree of depth, obtain the actual grade that the real rock core boring rock core information is measured in underground well logging, and according to the rock core section lithology after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, set up the combination of fissures of rock core section, obtain the development characteristics of the combination of fissures of this rock core section further, thus laying the foundation for setting up image logging interpretation model.
Fig. 4 is the flow chart of crack provided by the invention mode identification method embodiment three；As shown in Figure 4, on the basis of embodiment two, the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, obtain image logging interpretation model and include:
S31: the development characteristics of the combination of fissures of rock core section is demarcated on the imaging logging image of rock core section.
In this step, the development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtain image logging interpretation model particularly as follows: the development characteristics of the combination of fissures of rock core section after depth correction determined at the corresponding enterprising rower of imaging logging image, in order to relative analysis draws the feature that the rock core of various combination pattern shows on imaging logging image.
S32: in conjunction with the imaging logging image of the development characteristics of combination of fissures of rock core section and calibrated rock core section, obtain image logging interpretation model.
In this step, the development characteristics of the combination of fissures according to rock core section and the imaging logging image of calibrated rock core section, sum up the development characteristics of the combination of fissures of rock core section and the combination of fissures of the correspondence feature at imaging logging image, draw rock core crack schematic diagram and the crack feature on image to show, obtain image logging interpretation model.Fig. 5 is individual well crack comprehensive study figure, as it is shown in figure 5, Fig. 5 is the crack result of study utilizing above-mentioned image logging interpretation model after gram deep 504 wells are identified.
The crack mode identification method of the present embodiment, by the development characteristics of the combination of fissures of rock core section being demarcated on the imaging logging image of rock core section, and in conjunction with the imaging logging image of the development characteristics of combination of fissures of rock core section and calibrated rock core section, to obtain image logging interpretation model, thus the identification for full well section imaging logging image crack pattern provides foundation.
Fig. 6 is the flow chart of crack provided by the invention mode identification method embodiment four；As shown in Figure 6, on the basis of embodiment two, described described image logging interpretation model is utilized also to include after full well section imaging logging crack is identified:
S41: the recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence.
In this step, the result of full well section imaging logging crack pattern recognition is carried out fracture formation dip correction, obtains the crack figure feature under true attitude of stratum after full well section imaging logging crack pattern is identified by applicating road image logging interpretation model.
S42: according to the crack figure feature under actual formation occurrence, fracture is combined, sets up full well section combination of fissures.
In this step, after carrying out fracture formation dip correction according to full well section imaging logging crack pattern recognition result, fracture is combined, and sets up full well section combination of fissures.Fig. 7 is advantage crack provided by the invention and crustal stress angled relationships figure, as shown in Figure 7, Fig. 7 is the recognition result that the imaging logging crack pattern recognition result to gram deep 205 wells and gram deep 208 wells carries out giving in advantage crack that fracture formation dip correction post analysis obtains and crustal stress angled relationships figure, figure full well section crack and advantage crack.
The crack pattern recognition of the present embodiment, by further the recognition result of full well section imaging logging crack pattern being carried out fracture formation dip correction, obtain the crack figure feature under actual formation occurrence, and according to the crack figure feature under actual formation occurrence, fracture is combined, set up full well section combination of fissures, thus optimizing perforated interval, accelerating formation testing rhythm, reducing unnecessary perforated interval, Optimum Fracturing scheme, is substantially reduced formation testing cost.
Further, described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
Concrete, above-mentioned combination of fissures includes wild goose crack, one or more combinations directly splitting in seam, parallel seam, adjustment seam, broom shape seam, phase cross-stitch and netted seam.
The present invention is utilized to carry out primary study at storehouse car foreland basin carat Soviet Union structural belt, set up multiple wells fracture development pattern, optimize perforated interval, accelerate formation testing progress, having saved formation testing cost, the natural gas exploration process advancing this district enriches storehouse car foreland basin geological knowledge.Concrete application example is as follows:
1. under storehouse car foreland basin carat Soviet Union structural belt salt, sandstone reservoir crack, ultra-deep layer Cretaceous System Ba Shijiqike group low hole is one of key factor affecting single well productivity.Gram deep 8 well initial stages are carried out well completing test in 6860m-6903m well section by the application present invention, roll over daily gas 726264 cubic metres；Deep 8 wells of comparison gram are carried out in 6717-6903m well section the result of full well section perforation folding daily gas 726921 cubic metres, by a gram crack for deep 8 wells is carried out combination of fissures research, set up full well section fine modeling, known need to carry out perforation in the 6860m-6903m well section of advantage fracture development, to compare production capacity difference little with carrying out full well section perforation in 6717-6903m well section, it was demonstrated that the crack modeling of this well is correct.
2. under storehouse car foreland basin carat Soviet Union structural belt salt, ultra-deep layer Cretaceous System low hole elements of sandstone porosity is 5%-8%, and crack effect in percolation ability is notable.Grams deep 506 a bites being on storehouse car foreland basin carat Soviet Union deep 5 gas reservoirs of the deep zone gram of structural belt gram evaluate well, 6406-6578m well section is carried out completion conventionally test by this well initial stage, folding daily gas 28752 cubic metres, the experience of substantially all high yields after acidifying is carried out with reference to gram other gas wells of deep zone, gram deep 506 well 6406-6578m well sections are carried out completion acidizing transformation, rolls over daily gas 100500 cubic metres.By this well carries out crack identification, integrated mode, fine modeling obtain the maximum principal stress now of this well advantage fracture strike and this well and move towards near normal, last research proposal adopts Large Scale Acidizing pressure break, especially advantage crack well section is carried out sand fracturing transformation, finally, gram deep 506 wells, in the 6406-6578m completion acidizing pressure break of well section, roll over daily gas 383650 cubic metres.Contrasted by front and back it can be seen that this crack research method not only reduces perforated interval, but also add tested productivity.
Therefore, summary application example, several effects below this crack mode identification method:
(1) super deeper clefts low hole sandstone reservoir imaging logging crack identification precision under storehouse car foreland basin carat Soviet Union structural belt salt is the method increased, specify that super Deep Salt bends down sandstone reservoir crack, hole vertical layered feature and integrated mode, provide the foundation geological model for the research in crack.(2) the method effectively identifies the relation between the development characteristics in advantage crack and advantage crack and secondary crack, preferably provides foundation for perforated interval.(3) combination of fissures that the method is formed still belongs to the first time proposition in crack is studied, and the research for sandstone crack, ultra-deep layer low hole provides theoretical basis and practical experience.(4) optimize perforated interval, be greatly accelerated formation testing rhythm.Storehouse car foreland basin carat Soviet Union structural belt early stage perforation adopts distributed perforation, and perforation quantity is many, the cycle is long, and average period is 3 months, identification by fracture integrated mode and advantage crack, provide reference and foundation for clustering perforation, perforation quantity significantly reduces, and the cycle only needs 1 month.(5) unnecessary perforated interval is reduced, Optimum Fracturing scheme, it is substantially reduced formation testing cost.The operating costs such as storehouse car foreland basin carat Soviet Union structural belt ultra-deep layer low hole sandstone reservoir perforation, pressure break are expensive, adopt this method can reduce perforated interval, reducing fracturing fluid density, single well productivity change is little, and achievement is with a high credibility can greatly save exploration cost.
On the basis of above-mentioned crack mode identification method, the present invention also provides for a kind of crack pattern recognition device, below crack of the present invention pattern recognition device is explained in detail, concrete, can referring to figure.
Fig. 8 is the structural representation of crack provided by the invention pattern recognition device embodiment one, and as shown in Figure 8, this device includes:
Acquisition module 11, is used for the development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtains image logging interpretation model；
Identification module 12, for utilizing described image logging interpretation model that the crack pattern of full well section imaging logging is identified.
The crack pattern recognition device of the present embodiment, by the imaging logging image of the development characteristics of the combination of fissures according to rock core section and rock core section, obtain image logging interpretation model, utilize this image logging interpretation model, the crack pattern of full well section imaging logging is identified, thus being interpreted full well section imaging logging crack evaluating, it is preferable that advantage fracture developing zone.The arrangement increases reservoir imaging logging crack identification precision, specify that Reservoir Fracture vertical layered feature and integrated mode, provide the foundation geological model for the research in crack.
Fig. 9 is the structural representation of crack provided by the invention pattern recognition device embodiment two, as it is shown in figure 9, described device also includes:
Correction module 13, for the real rock core information that bores being carried out the playback correction of the rock core degree of depth by actual measurement gamma curve and ground based scanning gamma curve, makes the described rock core boring rock core information in fact return to the actual grade under underground well logging is measured；
Set up module 14, for according to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, setting up the combination of fissures of rock core section；
Described acquisition module 11 is additionally operable to the development characteristics that contrast obtains the combination of fissures of described rock core section.
Figure 10 is the structural representation of crack provided by the invention pattern recognition device embodiment three, and as shown in Figure 10, described acquisition module 11 includes:
Demarcate unit 111, for the development characteristics of the combination of fissures of described rock core section being demarcated the imaging logging image of described rock core section；
Acquiring unit 112, is used for the development characteristics of the combination of fissures in conjunction with described rock core section and the imaging logging image of calibrated described rock core section, obtains described image logging interpretation model.
Further, described correction module 13 is additionally operable to the recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence；
Described module 14 of setting up is additionally operable to according to the crack figure feature under described actual formation occurrence, and fracture is combined, and sets up full well section combination of fissures.
Further, described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program upon execution, performs to include the step of above-mentioned each embodiment of the method；And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.
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 (10)
1. a crack mode identification method, it is characterised in that including:
The development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtain image logging interpretation model；
Utilize described image logging interpretation model that the crack pattern of full well section imaging logging is identified.
2. method according to claim 1, it is characterised in that the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, also includes before obtaining image logging interpretation model:
By surveying gamma curve and ground based scanning gamma curve, the real rock core information that bores is carried out the playback correction of the rock core degree of depth, make the described real rock core boring rock core information return to the actual grade under underground well logging is measured；
According to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, set up the combination of fissures of rock core section, and contrast the development characteristics of the combination of fissures obtaining described rock core section.
3. method according to claim 2, it is characterised in that the development characteristics of the described combination of fissures according to rock core section and the imaging logging image of rock core section, obtains image logging interpretation model and includes:
The development characteristics of the combination of fissures of described rock core section is demarcated on the imaging logging image of described rock core section；
In conjunction with the imaging logging image of the development characteristics of combination of fissures of described rock core section and calibrated described rock core section, obtain described image logging interpretation model.
4. method according to claim 2, it is characterised in that described utilize described image logging interpretation model also to include after the crack pattern of full well section imaging logging is identified:
Recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence；
According to the crack figure feature under described actual formation occurrence, fracture is combined, and sets up full well section combination of fissures.
5. the method according to any one of Claims 1 to 4, it is characterised in that described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
6. a crack pattern recognition device, it is characterised in that including:
Acquisition module, is used for the development characteristics of the combination of fissures according to rock core section and the imaging logging image of rock core section, obtains image logging interpretation model；
Identification module, for utilizing described image logging interpretation model that the crack pattern of full well section imaging logging is identified.
7. device according to claim 6, it is characterised in that described device also includes:
Correction module, for the real rock core information that bores being carried out the playback correction of the rock core degree of depth by actual measurement gamma curve and ground based scanning gamma curve, makes the described rock core boring rock core information in fact return to the actual grade under underground well logging is measured；
Set up module, for according to the lithology of rock core section after degree of depth playback correction, deposition structure and FRACTURE CHARACTERISTICS, setting up the combination of fissures of rock core section；
Described acquisition module is additionally operable to the development characteristics that contrast obtains the combination of fissures of described rock core section.
8. device according to claim 7, it is characterised in that described acquisition module includes:
Demarcate unit, for the development characteristics of the combination of fissures of described rock core section being demarcated the imaging logging image of described rock core section；
Acquiring unit, is used for the development characteristics of the combination of fissures in conjunction with described rock core section and the imaging logging image of calibrated described rock core section, obtains described image logging interpretation model.
9. device according to claim 7, it is characterised in that
Described correction module is additionally operable to the recognition result according to full well section imaging logging crack pattern, carries out fracture formation dip correction, obtains the crack figure feature under actual formation occurrence；
Described module of setting up is additionally operable to according to the crack figure feature under described actual formation occurrence, and fracture is combined, and sets up full well section combination of fissures.
10. the device according to any one of claim 6～9, it is characterised in that described combination of fissures includes:
Wild goose crack, directly split seam, parallel seam, regulate seam, broom shape seam, phase cross-stitch and/or netted seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000815.0A CN105785445B (en) | 2015-12-28 | 2015-12-28 | Crack mode identification method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000815.0A CN105785445B (en) | 2015-12-28 | 2015-12-28 | Crack mode identification method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105785445A true CN105785445A (en) | 2016-07-20 |
| CN105785445B CN105785445B (en) | 2017-12-05 |
Family
ID=56389997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511000815.0A Active CN105785445B (en) | 2015-12-28 | 2015-12-28 | Crack mode identification method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105785445B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064454A (en) * | 2017-02-16 | 2017-08-18 | 中国海洋石油总公司 | A kind of rock core of reservoir fissure development degree determines method |
| CN109507741A (en) * | 2017-09-15 | 2019-03-22 | 中国石油化工股份有限公司 | Dual induction log fracture porosity analysis method and system |
| CN111897029A (en) * | 2020-07-09 | 2020-11-06 | 西安石油大学 | Method for determining spatial distribution of underground anticline cracks through core-logging interactive comparison |
| CN113689453A (en) * | 2021-08-24 | 2021-11-23 | 中石化石油工程技术服务有限公司 | Method, device and equipment for automatically identifying well logging image cracks and storage medium |
Citations (5)
| 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 |
| CN103954996A (en) * | 2014-04-01 | 2014-07-30 | 中国石油天然气股份有限公司 | Device and method for determining fracture strike of strata fracture based on travel time method |
| CN104166161A (en) * | 2014-08-19 | 2014-11-26 | 成都理工大学 | Method and device for predicating fractures based on elliptical velocity inversion of anisotropism |
| CN104267449A (en) * | 2014-09-15 | 2015-01-07 | 中国神华能源股份有限公司 | Method for detecting coal mining earth surface crack patterns |
-
2015
- 2015-12-28 CN CN201511000815.0A patent/CN105785445B/en active Active
Patent Citations (5)
| 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 |
| CN103954996A (en) * | 2014-04-01 | 2014-07-30 | 中国石油天然气股份有限公司 | Device and method for determining fracture strike of strata fracture based on travel time method |
| CN104166161A (en) * | 2014-08-19 | 2014-11-26 | 成都理工大学 | Method and device for predicating fractures based on elliptical velocity inversion of anisotropism |
| CN104267449A (en) * | 2014-09-15 | 2015-01-07 | 中国神华能源股份有限公司 | Method for detecting coal mining earth surface crack patterns |
Non-Patent Citations (3)
| Title |
|---|
| 刘明 等: "焉耆盆地宝北构造三工河组裂缝形成机制及控制因素", 《石油地质》 * |
| 牛一维 等: "《中国大陆科学钻探工程科钻—井变质岩测井技术》", 31 July 2008 * |
| 王凯 等: "克深2井区裂缝分类及构造裂缝期次研究", 《地球物理学进展》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064454A (en) * | 2017-02-16 | 2017-08-18 | 中国海洋石油总公司 | A kind of rock core of reservoir fissure development degree determines method |
| CN109507741A (en) * | 2017-09-15 | 2019-03-22 | 中国石油化工股份有限公司 | Dual induction log fracture porosity analysis method and system |
| CN111897029A (en) * | 2020-07-09 | 2020-11-06 | 西安石油大学 | Method for determining spatial distribution of underground anticline cracks through core-logging interactive comparison |
| CN113689453A (en) * | 2021-08-24 | 2021-11-23 | 中石化石油工程技术服务有限公司 | Method, device and equipment for automatically identifying well logging image cracks and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105785445B (en) | 2017-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106951660B (en) | Sea facies clastic rock horizontal well reservoir logging interpretation method and device | |
| CN105986816B (en) | A method of shale formation dessert for identification | |
| CN105986817B (en) | A method of shale formation engineering dessert for identification | |
| CN103256046B (en) | Unconventionaloil pool hides method and the device that horizontal well stitches the simulation of long fracturing parameter entirely | |
| Kundert et al. | Proper evaluation of shale gas reservoirs leads to a more effective hydraulic-fracture stimulation | |
| Chong et al. | A completions roadmap to shale-play development: a review of successful approaches toward shale-play stimulation in the last two decades | |
| CN109441422A (en) | A kind of shale gas well spacing optimizing exploitation method | |
| CN106599482B (en) | A kind of recognition methods of unconventional superpressure tight gas effective reservoir | |
| CN104977617B (en) | Reservoir Fracture recognition methods and imaging logging Reservoir Fracture recognition methods | |
| CN105986815A (en) | Method for recognizing geological sweet spots in shale stratum | |
| CN109085663A (en) | A kind of tight sandstone reservoir stratification seam recognition methods | |
| CN105785445A (en) | Crack pattern identifying method and apparatus | |
| Belaidi et al. | The Lancaster Field: progress in opening the UK's fractured basement play | |
| CN104948176A (en) | Method for identifying carbonate reservoir fractures based on permeability increasing rate | |
| CN104047598A (en) | Method for predicating productivity of nonhomogeneity ancient karst carbonate reservoir | |
| CN110727035A (en) | Low-permeability strong heterogeneous gas reservoir gas-water layer identification method | |
| CN107515957A (en) | Mud shale SEQUENCE STRATIGRAPHIC DIVISION method | |
| CN105134185A (en) | Identification method for reservoir fluid properties | |
| CN103776981A (en) | New karst stage judgment method | |
| Hackbarth et al. | Sichuan basin shale gas, China: Exploring the lower Silurian Longmaxi shale | |
| Fu et al. | Investigation of multistage hydraulic fracture optimization design methods in horizontal shale oil wells in the Ordos Basin | |
| Dewever et al. | Unlocking flow pathways in complex carbonate reservoirs: Benefits of an integrated subsurface study from the Cretaceous Mauddud Formation, North Kuwait | |
| Kellogg | Geology and petroleum of the Mancos B formation Douglas Creek Arch area Colorado and Utah | |
| CN109814174A (en) | A kind of clastic rock unconformity structure body well logging integrated recognition method | |
| Wilson et al. | Fracture and 3D seismic interpretations of the Fruitland Formation and cover strata: Implications for CO2 retention and tracer movement, San Juan Basin Pilot test |
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 |