CN109917461A - A kind of method and device improving Jurassic stratum and basement rock image quality - Google Patents
A kind of method and device improving Jurassic stratum and basement rock image quality Download PDFInfo
- Publication number
- CN109917461A CN109917461A CN201910159191.9A CN201910159191A CN109917461A CN 109917461 A CN109917461 A CN 109917461A CN 201910159191 A CN201910159191 A CN 201910159191A CN 109917461 A CN109917461 A CN 109917461A
- Authority
- CN
- China
- Prior art keywords
- domain
- trace gather
- time
- region
- optimized
- 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.)
- Pending
Links
Landscapes
- Image Processing (AREA)
Abstract
The present invention provides a kind of raising Jurassic stratum and the method and devices of basement rock image quality, this method comprises: the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain is generated time-domain CRP trace gather；Reaction correction is carried out to the time-domain CRP trace gather, the trace gather after generating reaction correction；Access speed control point is encrypted, high-order NMO is carried out to the trace gather after reaction correction, obtains a trace gather evened up；To dividing offset distance section to carry out sorting superposition in the trace gather evened up, selects the offset distance section of signal-to-noise ratio highest and imaging clearly to be overlapped imaging, obtain the sectional view of the region to be optimized in the time domain；By the sectional view ratio of the region to be optimized in the time domain to Depth Domain, sectional view of the region to be optimized in Depth Domain is obtained.Using method provided by the invention, greatly improve the image quality of deep layer and basement rock, hence it is evident that better than the achievement after pre-stack depth migration.
Description
Technical field
The present invention relates to Seismic Data Processing Technique fields more particularly to a kind of raising Jurassic stratum and basement rock into image quality
The method and device of amount.
Background technique
It is imaged around Caidamu Basin Jurassic stratum and basement rock, has carried out multimedia tackling key problem on seism processing
Test, from the point of view of current scientific research effect, it is effective that anisotropic pre-stack depth migration becomes a kind of pair of imaging deep
Technological means.But it is directed to Jurassic stratum and this low signal-to-noise ratio of basement rock, transonic situation, current pre-stack depth migration
Achievement image quality afterwards is not still high, is not able to satisfy the demand of exploration production, needs a kind of efficient and effective technology
Method advanced optimizes imaging effect, makes up the deficiency of pre-stack depth migration effect.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of raising Jurassic stratum and basement rock image quality
Method and device.
On the one hand, described the embodiment of the invention provides a kind of raising Jurassic stratum and the method for basement rock image quality
Method includes:
By the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain, time-domain CRP trace gather is generated；
Reaction correction is carried out to the time-domain CRP trace gather, the trace gather after generating reaction correction；
Access speed control point is encrypted, high-order NMO is carried out to the trace gather after reaction correction, obtains a trace gather evened up；
To dividing offset distance section to carry out sorting superposition in the trace gather evened up, the offset distance of signal-to-noise ratio highest and imaging clearly is selected
Section is overlapped imaging, obtains the sectional view of the region to be optimized in the time domain；
By the sectional view ratio of the region to be optimized in the time domain to Depth Domain, region to be optimized is obtained in Depth Domain
In sectional view.
In one embodiment, before carrying out reaction correction to the time-domain CRP trace gather, the method also includes: point
Random noise decaying is carried out to time-domain CRP trace gather not on the domain CNP-X, the domain CNP-X, time-domain and offset distance, described in raising
The signal-to-noise ratio of time-domain CRP trace gather.
On the other hand, the embodiment of the invention also provides it is a kind of raising Jurassic stratum and basement rock image quality device,
Described device includes:
Using in soil deeply unit, for by the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain, when generation
Between domain CRP trace gather；
Reaction corrects unit, for carrying out reaction correction to the time-domain CRP trace gather, the road after generating reaction correction
Collection；
High-order NMO unit carries out high-order to the trace gather after reaction correction and moves school for encrypting access speed control point
Just, a trace gather evened up is obtained；
Separation unit, for dividing offset distance section to carry out sorting superposition in the trace gather evened up, select signal-to-noise ratio highest and at
Clearly offset distance section is overlapped imaging to picture, obtains the sectional view of the region to be optimized in the time domain；
Time and depth transfer unit, for Depth Domain, obtaining the region to be optimized sectional view ratio in the time domain
Sectional view of the region to be optimized in Depth Domain.
In one embodiment, described device further include: noise reduction unit is correcting unit to the time-domain using reaction
Before CRP trace gather carries out reaction correction, the noise reduction unit is used for time-domain CRP trace gather in the domain CNP-X, the domain CNP-X, time
Random noise decaying is carried out on domain and offset distance respectively, improves the signal-to-noise ratio of the time-domain CRP trace gather.
The embodiment of the invention also provides a kind of computer equipments, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, the processor realize the raising dwarf when executing the computer program
The method of sieve system stratum and basement rock image quality.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is the computer program for executing the method for improving Jurassic stratum and basement rock image quality.
The embodiment of the present invention by by the CIP trace gather scale of pre-stack depth migration to time-domain, then in time-domain trace gather
It is upper to improve trace gather signal-to-noise ratio to the rear, then the method being superimposed partially by high-order NMO velocity analysis, choosing using the denoising of four domain of prestack
Improve the stacking image quality of trace gather, and image taking speed is further finely picked up by enciphering rate control point, reaches improvement
The purpose of migrated section imaging effect.Using method provided by the invention, obtain the image quality of deep layer and basement rock substantially
Improve, hence it is evident that better than the achievement after pre-stack depth migration.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the process signal of the method for raising Jurassic stratum provided in an embodiment of the present invention and basement rock image quality
Figure；
Fig. 2 (a) be a ratio to time-domain provided by the invention before CIP trace gather embodiment；
Fig. 2 (b) is the CRP trace gather embodiment after a ratio to time-domain provided by the invention；
Fig. 3 (a) be it is provided by the invention one carry out high-order NMO before time-domain CRP trace gather embodiment；
Fig. 3 (b) is the embodiment of the time-domain CRP trace gather after progress high-order NMO provided by the invention；
Fig. 4 (a) is the embodiment of the trace gather before a progress provided by the invention four domain of prestack denoises；
Fig. 4 (b) is the embodiment of the trace gather after a progress provided by the invention four domain of prestack denoising；
Fig. 5 (a) is the depth migration section before picacho CIP stacking image processing provided by the invention；
Fig. 5 (b) is picacho CIP stacking image provided by the invention treated depth migration section；
Fig. 6 (a) is the depth migration section before No. five four high point CIP stacking images processing of cold air lake provided by the invention；
Fig. 6 (b) is No. five four high point CIP stacking images of cold air lake provided by the invention treated depth migration section；
Fig. 7 is the structural schematic diagram of raising Jurassic stratum and basement rock image quality device provided in an embodiment of the present invention；
Fig. 8 be another embodiment of the present invention provides the computer equipment knot for improving Jurassic stratum and basement rock image quality
Structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For the deficiency of effect effect after pre-stack depth migration, the embodiment of the present invention proposes CIP stacking image optimization side
Case advanced optimizes the imaging of Jurassic system after pre-stack depth migration and basement rock, during time-domain and Depth Domain are exchanged,
CIP stack velocity is finely carved by data-driven, is obtained best overlay imaging to reach, is reached and improve Jurassic system and basement rock
The purpose of data quality.
Fig. 1 is the process signal of the method for raising Jurassic stratum provided in an embodiment of the present invention and basement rock image quality
Figure.As shown in Figure 1, this method mainly comprises the steps that
Step S1, by the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain, the road time-domain CRP is generated
Collection.There is better speed to recognize in time-domain, it is more convenient that image taking speed is accurately corrected.
Step S2, reaction correction is carried out to the time-domain CRP trace gather, the trace gather after generating reaction correction.
Step S3, access speed control point is encrypted, high-order NMO is carried out to the trace gather after reaction correction, one is obtained and evens up
Trace gather.
After carrying out reaction correction to time-domain CRP trace gather, the higher sectional view of image quality is obtained to be last, it can be to anti-
Trace gather after dynamic correction carries out high-density velocity analysis (i.e. encryption access speed control point) and high-order NMO, obtains one and evens up
Trace gather.Constant-velocity scan and variable-speed scanning can be aided in the complex section in region to be optimized, speed is carried out finer
Portray, achieve the purpose that improve image quality.
Step S4, to dividing offset distance section to carry out sorting superposition in the trace gather evened up, signal-to-noise ratio highest and imaging clearly are selected
Offset distance section be overlapped imaging, obtain the sectional view of the region to be optimized in the time domain.
After speed determines, to dividing offset distance section to be overlapped respectively in the trace gather evened up, select signal-to-noise ratio highest and at
Clearly offset distance section is overlapped imaging to picture, and the sectional view of region to be optimized in the time domain can be obtained.
Step S5, the region to be optimized sectional view ratio in the time domain is obtained into region to be optimized to Depth Domain
Sectional view in Depth Domain.
The embodiment of the present invention by by the CIP trace gather scale of pre-stack depth migration to time-domain, then in time-domain trace gather
It is upper to improve trace gather signal-to-noise ratio to the rear, then the method being superimposed partially by high-order NMO velocity analysis, choosing using the denoising of four domain of prestack
Improve the stacking image quality of trace gather, and image taking speed is further finely picked up by enciphering rate control point, reaches improvement
The purpose of migrated section imaging effect.Using method provided by the invention, obtain the image quality of deep layer and basement rock substantially
Improve, hence it is evident that better than the achievement after pre-stack depth migration.
It in one embodiment, can also be by dividing before carrying out reaction correction to time-domain CRP trace gather obtained by step S1
Random noise decaying is carried out to time-domain CRP trace gather not on this four domain of the domain CNP-X, the domain CNP-X, time-domain and offset distance, is mentioned
The signal-to-noise ratio of high time-domain CRP trace gather can carry out more subtly velocity pick after trace gather signal-to-noise ratio improves.
By being tested in multiple areas, raising Jurassic stratum provided in an embodiment of the present invention and basement rock image quality
Method achieve preferable effect.The present invention gives multiple in No. five Zha Haquan, cold air lake four high points, Nan Yishan, picachoes
The embodiment of applications well effect is achieved in three-dimensional pre-stack depth migration project.Use method provided in an embodiment of the present invention
Afterwards, the image quality of deep layer and basement rock is greatly improved, hence it is evident that better than the achievement after pre-stack depth migration.
Fig. 2 (a) be a ratio to time-domain provided by the invention before CIP trace gather, i.e. Depth Domain CIP trace gather, Fig. 2
(b) it is CRP trace gather after a ratio to time-domain provided by the invention.It can be seen that time-domain trace gather from above two figure to deposit
Linear upwarping, this status becomes apparent in time-domain performance.
When Fig. 3 (a) is the pre-stack depth migration that a ratio provided by the invention not yet carries out high-order NMO to time-domain
Between domain CRP trace gather, Fig. 3 (b) be carry out high-order NMO after time-domain CRP trace gather.It can be seen that time-domain CRP trace gather
It is flattened after high-order moves school optimization, is more advantageous to in-phase stacking in this way.
Fig. 4 (a), Fig. 4 (a) be it is provided by the invention have been subjected to high-order move school optimization after trace gather by four domain of prestack denoise
The trace gather of front and back compares.Fig. 4 (a) is the trace gather before carrying out the denoising of four domain of prestack, and Fig. 4 (b) is to carry out four domain of prestack to denoise it
Trace gather afterwards.It can see by this two figure, after removing random noise, the signal-to-noise ratio of trace gather is greatly improved, this is to trace gather
Stacking image optimizes advantageously.
Fig. 5 (a) and Fig. 5 (b) is the imaging effect comparison of picacho three-dimensional before and after the processing by CIP stacking image, wherein
Fig. 5 (a) is the depth migration section before the processing of CIP stacking image, and Fig. 5 (b) is that treated that depth migration cuts open for CIP stacking image
Face.It can see by this two figure, after the processing of CIP stacking image, substrate is imaged to have obtained more apparent improvement.
Fig. 6 (a) is No. five four high point three-dimensionals of cold air lake to be compared by CIP stacking image technical effect, wherein Fig. 6 (a) is
Depth migration section before the processing of CIP stacking image, Fig. 6 (b) are CIP stacking image treated depth migration sections.By this
Two figures can see, and after the processing of CIP stacking image, the whole signal-to-noise ratio of trace gather is significantly improved, deep layer Jurassic system
Earth formation is relatively sharp.
The embodiment of the present invention by by the CIP trace gather scale of pre-stack depth migration to time-domain, then in time-domain trace gather
It is upper to improve trace gather signal-to-noise ratio to the rear, then the method being superimposed partially by high-order NMO velocity analysis, choosing using the denoising of four domain of prestack
Improve the stacking image quality of trace gather, and image taking speed is further finely picked up by enciphering rate control point, reaches improvement
The purpose of migrated section imaging effect.Using method provided by the invention, obtain the image quality of deep layer and basement rock substantially
Improve, hence it is evident that better than the achievement after pre-stack depth migration.
Based on inventive concept identical with the method for raising Jurassic stratum shown in FIG. 1 and basement rock image quality, this hair
Bright embodiment additionally provides a kind of device, as described in following example.It is improved in the principle and Fig. 1 solved the problems, such as due to the device
The method of Jurassic stratum and basement rock image quality is similar, therefore the implementation of the device is with may refer to the raising Jurassic system of Fig. 1
The implementation of the method for layer and basement rock image quality, overlaps will not be repeated.
In another embodiment, the present invention also provides it is a kind of raising Jurassic stratum and basement rock image quality device,
Its structure is as shown in fig. 7, the device includes: using in soil deeply unit 10, reaction correction unit 20, high-order NMO unit 30, divides
The timely deep converting unit 50 of menu member 40.
Wherein, using in soil deeply unit 10 is used for the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain,
Generate time-domain CRP trace gather.Reaction corrects unit 20 and is used to carry out reaction correction to the time-domain CRP trace gather, generates reaction
Trace gather after correction.High-order NMO unit 30 carries out the trace gather after reaction correction high for encrypting access speed control point
The dynamic correction of rank, obtains a trace gather evened up.Separation unit 40 is used for dividing offset distance section to carry out sorting superposition in the trace gather evened up,
The selection signal-to-noise ratio highest and offset distance section of imaging clearly is overlapped imaging obtains the region to be optimized in the time domain
Sectional view.Time and depth transfer unit 50 is used to obtain the region to be optimized sectional view ratio in the time domain to Depth Domain
Sectional view of the region to be optimized in Depth Domain.
In one embodiment, above-mentioned device further includes a noise reduction unit 60, is correcting unit 20 to described using reaction
Time-domain CRP trace gather carry out reaction correction before, noise reduction unit 60 be used for time-domain CRP trace gather the domain CNP-X, the domain CNP-X,
Random noise decaying is carried out in time-domain and offset distance respectively, improves the signal-to-noise ratio of the time-domain CRP trace gather.
Fig. 8 be another embodiment of the present invention provides the computer equipment knot for improving Jurassic stratum and basement rock image quality
Structure schematic diagram.As shown in figure 8, the computer equipment include memory, processor and storage on a memory and can be in processor
The computer program of upper operation.The computer program executes step shown in FIG. 1 when being run by the processor.
In addition, the embodiment of the present invention also provides a kind of computer readable storage medium, the computer readable storage medium
It is stored with the computer program for executing step shown in Fig. 1.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or 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 counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (6)
1. a kind of method for improving Jurassic stratum and basement rock image quality, which is characterized in that the described method includes:
By the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain, time-domain CRP trace gather is generated；
Reaction correction is carried out to the time-domain CRP trace gather, the trace gather after generating reaction correction；
Access speed control point is encrypted, high-order NMO is carried out to the trace gather after reaction correction, obtains a trace gather evened up；
To dividing offset distance section to carry out sorting superposition in the trace gather evened up, select signal-to-noise ratio highest and the offset distance section of imaging clearly into
Row stacking image obtains the sectional view of the region to be optimized in the time domain；
By the sectional view ratio of the region to be optimized in the time domain to Depth Domain, region to be optimized is obtained in Depth Domain
Sectional view.
2. the method according to claim 1 for improving Jurassic stratum and basement rock image quality, which is characterized in that institute
State time-domain CRP trace gather carry out reaction correction before, the method also includes: respectively the domain CNP-X, the domain CNP-X, time-domain and
Random noise decaying is carried out to time-domain CRP trace gather on offset distance, improves the signal-to-noise ratio of the time-domain CRP trace gather.
3. a kind of device for improving Jurassic stratum and basement rock image quality, which is characterized in that described device includes:
Using in soil deeply unit, for generating time-domain for the pre-stack depth migration CIP trace gather ratio in region to be optimized to time-domain
CRP trace gather；
Reaction corrects unit, for carrying out reaction correction to the time-domain CRP trace gather, the trace gather after generating reaction correction；
High-order NMO unit carries out high-order NMO to the trace gather after reaction correction, obtains for encrypting access speed control point
The trace gather evened up to one；
Separation unit, for selecting signal-to-noise ratio highest and imaging being clear to dividing offset distance section to carry out sorting superposition in the trace gather evened up
Clear offset distance section is overlapped imaging, obtains the sectional view of the region to be optimized in the time domain；
Time and depth transfer unit, for Depth Domain, obtaining the region to be optimized sectional view ratio in the time domain to excellent
Change sectional view of the region in Depth Domain.
4. the device according to claim 3 for improving Jurassic stratum and basement rock image quality, which is characterized in that the dress
It sets further include: noise reduction unit, it is described before carrying out reaction correction to the time-domain CRP trace gather using reaction correction unit
Noise reduction unit for carrying out random noise on the domain CNP-X, the domain CNP-X, time-domain and offset distance to time-domain CRP trace gather respectively
Decaying, improves the signal-to-noise ratio of the time-domain CRP trace gather.
5. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes method of any of claims 1 or 2 when executing the computer program.
6. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has perform claim
It is required that the computer program of 1 or 2 the methods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159191.9A CN109917461A (en) | 2019-03-04 | 2019-03-04 | A kind of method and device improving Jurassic stratum and basement rock image quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159191.9A CN109917461A (en) | 2019-03-04 | 2019-03-04 | A kind of method and device improving Jurassic stratum and basement rock image quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109917461A true CN109917461A (en) | 2019-06-21 |
Family
ID=66963086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910159191.9A Pending CN109917461A (en) | 2019-03-04 | 2019-03-04 | A kind of method and device improving Jurassic stratum and basement rock image quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109917461A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239832A (en) * | 2020-03-10 | 2020-06-05 | 中国地质大学（北京） | 3D3C-VSP imaging processing method, device and equipment |
| CN113219533A (en) * | 2021-05-18 | 2021-08-06 | 中海石油(中国)有限公司深圳分公司 | Pre-stack time migration velocity modeling method, device, medium and electronic equipment |
| CN114114417A (en) * | 2020-08-25 | 2022-03-01 | 中国石油天然气股份有限公司 | Seismic imaging method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570321A (en) * | 1994-03-03 | 1996-10-29 | Atlantic Richfield Company | Seismic velocity model optimization method using simulated annearling to determine prestack travel-times |
| CN102176053A (en) * | 2011-01-27 | 2011-09-07 | 中国科学院地质与地球物理研究所 | Method for improving imaging effect of wave equation prestack depth migration |
| CN109188513A (en) * | 2018-09-30 | 2019-01-11 | 中国石油天然气股份有限公司 | Method and device for generating depth domain data volume and storage medium |
-
2019
- 2019-03-04 CN CN201910159191.9A patent/CN109917461A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570321A (en) * | 1994-03-03 | 1996-10-29 | Atlantic Richfield Company | Seismic velocity model optimization method using simulated annearling to determine prestack travel-times |
| CN102176053A (en) * | 2011-01-27 | 2011-09-07 | 中国科学院地质与地球物理研究所 | Method for improving imaging effect of wave equation prestack depth migration |
| CN109188513A (en) * | 2018-09-30 | 2019-01-11 | 中国石油天然气股份有限公司 | Method and device for generating depth domain data volume and storage medium |
Non-Patent Citations (7)
| Title |
|---|
| HELEN DEBENHAM ET AL.: "Pre-stack depth migration for improved imaging under seafloor canyons: 2D case study of Browse Basin, Australia", 《EXPLORATION GEOPHYSICS》 * |
| 张灯亮: "三维地震叠前时间偏移技术在新疆淖毛湖矿区的应用", 《中国科技信息》 * |
| 焦文龙: "酒泉盆地南缘窟窿山前陆冲断带地震勘探方法试验研究", 《中国优秀博硕士学位论文全文数据库(硕士) 基础科学辑》 * |
| 王舒畋等: "《中国地球物理2006》", 31 October 2006 * |
| 窦玉坛等: "黄土源少井区采用果蝇优化算法构建虚拟井方法", 《地球物理学进展》 * |
| 贺玉山等: "复杂区低信噪比地震资料叠前深度偏移速度建模技术与应用", 《SPG/SEG北京2016国际地球物理会议》 * |
| 郭爱华: "叠前时间偏移技术的应用研究", 《中国优秀博硕士学位论文全文数据库(硕士) 基础科学辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239832A (en) * | 2020-03-10 | 2020-06-05 | 中国地质大学（北京） | 3D3C-VSP imaging processing method, device and equipment |
| CN114114417A (en) * | 2020-08-25 | 2022-03-01 | 中国石油天然气股份有限公司 | Seismic imaging method and device |
| CN114114417B (en) * | 2020-08-25 | 2024-03-01 | 中国石油天然气股份有限公司 | Earthquake imaging method and device |
| CN113219533A (en) * | 2021-05-18 | 2021-08-06 | 中海石油(中国)有限公司深圳分公司 | Pre-stack time migration velocity modeling method, device, medium and electronic equipment |
| CN113219533B (en) * | 2021-05-18 | 2023-10-20 | 中海石油(中国)有限公司深圳分公司 | Pre-stack time migration velocity modeling method and device, medium and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109917461A (en) | A kind of method and device improving Jurassic stratum and basement rock image quality | |
| CN106526677B (en) | A kind of wideband reverse-time migration imaging method of marine adaptive compacting ghost reflection | |
| CN105974479B (en) | The chromatography 2D/3D anisotropy Depth Domain velocity modeling method of GPU space lattice body | |
| CN105954802B (en) | Lithology data volume conversion method and device | |
| CN104199103B (en) | Static correction method and static correction device for converted wave | |
| CN104680487A (en) | Non-local image inpainting method based on low-rank matrix recovery | |
| CN107843921A (en) | A kind of microseism focal mechanism inversion method | |
| CN106338766B (en) | Prestack time migration method based on split-step fast fourier transformation | |
| CN107728206A (en) | A kind of velocity field modeling method | |
| WO2021127382A1 (en) | Full waveform inversion in the midpoint-offset domain | |
| CN106970417A (en) | Ellipse expansion converted-wave velocity analysis method and system | |
| CN106908836B (en) | Collected footprint pressing method and system | |
| CN103728666A (en) | Method for determining replacement speed of static correction middle reference plane | |
| US20200049844A1 (en) | Computer implemented method for improving a velocity model for seismic imaging | |
| CN108957553A (en) | Method and device for dynamic correction without stretching distortion by recursion correction of dynamic correction value | |
| CN106257309A (en) | Post-stack seismic data volume processing method and device | |
| Hartman et al. | Understanding and improving the subsalt image at Thunder Horse, Gulf of Mexico | |
| CN106814394B (en) | Station formula wave detector combines low frequency restoration method with conventional wave detector | |
| CN109917459A (en) | Method, device and system for suppressing earthquake noise | |
| CN106353801B (en) | The three-dimensional domain Laplace ACOUSTIC WAVE EQUATION method for numerical simulation and device | |
| CN109255764A (en) | A kind of method and device removing FIB-SEM image curtain noise | |
| CN104199104B (en) | 3D seismic data surface wave attenuation method and device | |
| SA521430573B1 (en) | Wave Velocity Determination for Seismic Imaging | |
| O'Brien | Mounting an offense against poor-quality shear data | |
| CN114063165B (en) | Three-dimensional seismic data splicing method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |