CN105301635A - Constructing method and constructing device for time-lapse seismic data acquired by marine towline - Google Patents
Constructing method and constructing device for time-lapse seismic data acquired by marine towline Download PDFInfo
- Publication number
- CN105301635A CN105301635A CN201510649649.0A CN201510649649A CN105301635A CN 105301635 A CN105301635 A CN 105301635A CN 201510649649 A CN201510649649 A CN 201510649649A CN 105301635 A CN105301635 A CN 105301635A
- Authority
- CN
- China
- Prior art keywords
- seismic data
- lapse seismic
- time
- shot point
- big gun
- 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
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
An embodiment of the invention provides a constructing method and a constructing device for time-lapse seismic data acquired by marine towline. The method comprises the steps of acquiring first-period time-lapse seismic data and second-period time-lapse seismic data beforehand; traversing each source point in the first-period time-lapse seismic data, and traversing each source receiver pair in the time-lapse seismic data of the first source point; acquiring the time-lapse seismic data of the first source point from the first-period time-lapse seismic data; defining the second-period time-lapse seismic data in a preset circular range; acquiring information of a first source receiver pair in the time-lapse seismic data of the first source point; determining whether the information of the source receiver pair in the second-period time-lapse seismic data in the preset circular range matches the information of the first source receiver pair; and when the information of the source receiver pair in the second-period time-lapse seismic data in the preset circular range does not match the information of the first source receiver pair, selecting information of the source receiver pair which satisfies the preset condition from the second-period time-lapse seismic data in the preset circular range as the time-lapse seismic data after construction. The constructing method and the constructing device provided by the technical solution according to the embodiment of the invention can effectively improve repeatability of the first-period time-lapse seismic data and the second-period time-lapse seismic data.
Description
Technical field
The present invention relates to time-lapse seismic technical field, particularly relate to a kind of construction method and device of marine streamer time-lapse seismic data.
Background technology
Time-lapse seismic technology is the technology of carrying out Reservoir behavior properties study for the different information of the seismic response of many phases of same survey area.When the seismic response features of non-reservoir rock does not change in time, the situation of change of the reservoir characteristics such as reservoir inner pore pressure, factor of porosity, fluid composition, fluid saturation and the temperature caused because of mining factor can be analyzed by time-lapse seismic technology, thus the situation of change of fluid flow and fluid composition in understanding reservoir, provide effective foundation for formulating or upgrading oil and gas development scheme.
In prior art, generally two reproducible phase time-lapse seismic data are subtracted each other the seismic response can eliminated and be formed by the structure of non-reservoir rock, lithology etc., obtain difference seismic response.Utilize described difference seismic response can the situation of change of fluid flow and fluid composition in Study In Reservoir.But in time-lapse seismic exploration implementation process, when particularly marine streamer gathers time-lapse seismic data, owing to being subject to the restriction of the specific construction environments such as tide, stormy waves, ocean current and acquisition condition, on the sp location that hull excites in traveling process and towing cable, the receiving position of each wave detector is all difficult to accurate control.This just causes the repeatability of the marine time-lapse seismic data of two phases to be difficult to be protected, and two phase geological datas is subtracted each other in the difference seismic response obtained and had both comprised the expectation difference that reservoir fluid changes generation, comprise again the unexpected difference that non-changes in reservoir produces.Therefore, according to the situation of change of fluid flow and fluid composition in difference geological data Obtaining Accurate reservoir, effective foundation can not cannot be provided for formulating or upgrading oil and gas development scheme.
Summary of the invention
The object of the application is to provide a kind of construction method and device of marine streamer time-lapse seismic data, to improve the repeatability of two phase time-lapse seismic data, thus the difference geological data of the situation of change accurately reflecting fluid flow and fluid composition in reservoir can be obtained, provide effective foundation for formulating or upgrading oil and gas development scheme.
To achieve these goals, this application provides a kind of construction method of marine streamer time-lapse seismic data, described method comprises: obtain first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, following operation performed to each shot point in described first phase time-lapse seismic data:
The time-lapse seismic data of the first shot point are obtained from described first phase time-lapse seismic data;
Determine to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius;
Each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right, to each big gun inspection in described first shot point to the following operation of execution:
Right information is examined in the first bombard obtained in the time-lapse seismic data of described first shot point;
The big gun judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard;
When judged result for do not mate time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
In a preferred embodiment, described method also comprises:
When judged result is for coupling, the big gun examining right information match is examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
In a preferred embodiment, described choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data comprise:
The second big gun calculated in the second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum;
When described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from when being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, using described shotpoint spacing minimum for numerical value from described geophone interval from sum corresponding to big gun examine right information as the time-lapse seismic data after building.
In a preferred embodiment, described method also comprises:
In a preferred embodiment, described shot point error threshold is set to 70m.
In a preferred embodiment, described geophone station error threshold is set to 50m.
In a preferred embodiment, described big gun inspection is set to 100m to error threshold.
A construction device for marine streamer time-lapse seismic data, described device comprises:
Presetting module, for obtaining first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, and each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right;
First data acquisition module, for obtaining the time-lapse seismic data of the first shot point from described first phase time-lapse seismic data;
First determination module, preset the second phase time-lapse seismic data in circle scope for determining, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius;
Second data acquisition module, examines right information for the first bombard obtained in the time-lapse seismic data of described first shot point;
Judge module, the big gun for judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard;
First data processing module, for when described judge module judged result for do not mate time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
In a preferred embodiment, described device also comprises:
Second data processing module, for when the judged result of described judge module is for coupling, the big gun examining right information match is examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
In a preferred embodiment, the first data processing module comprises:
Computing unit, for the second big gun calculated in second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum;
Data processing unit, for when described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from when being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, described shotpoint spacing minimum for numerical value is examined right information as the time-lapse seismic data after building from described geophone interval from the big gun corresponding to sum.
In a preferred embodiment, described device also comprises:
In a preferred embodiment, described shot point error threshold is set to 70m.
In a preferred embodiment, described geophone station error threshold is set to 50m.
In a preferred embodiment, described big gun inspection is set to 100m to error threshold.
The technical scheme provided from above the embodiment of the present application, the embodiment of the present application by mating with the geophone station in second phase time-lapse seismic data successively by each geophone station in each shot point in first phase time-lapse seismic data, and choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.Time-lapse seismic data after the structure obtained have good collection consistance, have good repeatability with described first phase time-lapse seismic data.This feature is beneficial to follow-up obtaining can determine that in reservoir, fluid flowing and fluid composition change the difference seismic response caused.Compared with prior art, the technical scheme utilizing the embodiment of the present application to provide can improve the repeatability of two phase time-lapse seismic data, thus be beneficial to obtain accurately in reflection reservoir fluid flowing and fluid composition change the difference geological data caused, for formulate or renewal oil and gas development scheme provides effective foundation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the first embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data;
Fig. 2 is the process flow diagram of the second embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data;
Fig. 3 is the schematic diagram of the construction device of a kind of marine streamer time-lapse seismic data that the embodiment of the present application provides;
Fig. 4 is another schematic diagram of the construction device of a kind of marine streamer time-lapse seismic data that the embodiment of the present application provides.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The specific implementation of the embodiment of the present application is described below in detail with several concrete example.
Below the first embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data is first introduced.Fig. 1 is the process flow diagram of the first embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data, although hereafter describe flow process to comprise the multiple operations occurred with particular order, but should have a clear understanding of, these processes can comprise more or less operation, and these operations can sequentially perform or executed in parallel.By reference to the accompanying drawings 1, this embodiment comprises:
Obtain first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, following operation performed to each shot point in described first phase time-lapse seismic data:
S110: the time-lapse seismic data obtaining the first shot point from described first phase time-lapse seismic data.
In actual applications, acquisition time-lapse seismic data can be gathered by the mode of marine streamer.Concrete, described first shot point can comprise the arbitrary shot point in described first phase time-lapse seismic data.Right information examined by the big gun that the time-lapse seismic data of described first shot point can comprise corresponding to described first shot point.In certain embodiments, the corresponding one or more geophone station of each shot point, accordingly, the inspection of described first shot point corresponding one or more pairs of big gun is right.
In certain embodiments, the time-lapse seismic data of the first shot point can be obtained from described first phase time-lapse seismic data.Concrete, described first phase time-lapse seismic data can comprise the reference data that can be used as later stage time-lapse seismic data to be matched.In a specific embodiment, described first phase time-lapse seismic data can comprise the time-lapse seismic data of 4 towing cable collections of spacing 100 meters, and every bar towing cable has 368, the wave detector of spacing 12.5 meters.
S120: determine to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and using the shot point error threshold pre-set as the circle of radius.
In certain embodiments, can determine to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and using the shot point error threshold pre-set as the circle of radius.Concrete, described second phase time-lapse seismic data can comprise later stage time-lapse seismic data to be matched.In a specific embodiment, described second phase time-lapse seismic data can comprise the time-lapse seismic data of 10 towing cable collections of spacing 100 meters, and every bar towing cable has 372, the wave detector of spacing 12.5 meters.
Further, described in the shot point error threshold that pre-sets can comprise the maximum position interval error value of shot point in two phase time-lapse seismic data, and when the distance when between two shot points is less than described shot point error threshold, can judge that the position of two shot points is as overlapping.Concrete, described shot point error threshold can preset according to application scenarios.In a specific embodiment, described shot point error threshold can be set to 70m, but the embodiment of the present application is not as limit.
Further, each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right, to each big gun inspection in described first shot point to the following operation of execution:
S130: right information is examined in the first bombard obtained in the time-lapse seismic data of described first shot point.
In certain embodiments, right information is examined in the first bombard that can obtain in the time-lapse seismic data of described first shot point.The described first bombard is examined right information and can be comprised arbitrary big gun in described first shot point and examine the positional information that right geophone station examined by the positional information of right shot point and described big gun.
S140: the big gun judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether examined right information match with the described first bombard.
In certain embodiments, obtain after the first bombard examines right information in step S130, the big gun that can judge in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard.
Further, when judge the big gun in the second phase time-lapse seismic data in described default round scope examine right information and the described first bombard examine right information do not mate time, can step S150 be performed.
S150: when judged result for do not mate time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
In certain embodiments, when step S140 judged result for do not mate time, can choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.Concrete, can comprise: the second big gun calculated in the second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum; When described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from when being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, described shotpoint spacing minimum for numerical value is examined right information as the time-lapse seismic data after building from described geophone interval from the big gun corresponding to sum.Concrete, described second big gun inspection is right to big gun inspection arbitrary in the second phase time-lapse seismic data that can comprise in described default round scope.
Further, described in the shot point error threshold that pre-sets can comprise the maximum position interval error value of shot point in two phase time-lapse seismic data, and when the distance when between two shot points is less than described shot point error threshold, can judge that the position of two shot points is as overlapping.Concrete, described shot point error threshold can preset according to application scenarios.In a specific embodiment, described shot point error threshold can be set to 70m, but the embodiment of the present application is not as limit.
Further, the described geophone station error threshold pre-set can comprise the maximum position interval error value of geophone station in described two phase time-lapse seismic data, and the distance when between two geophone stations is when being less than described shot point error threshold, can judge that the position of two geophone stations is as overlapping.Concrete, described geophone station error threshold can preset according to application scenarios.In a specific embodiment, described geophone station error threshold can be set to 50m, but the embodiment of the present application is not as limit.
Further, the described big gun inspection pre-set can comprise big gun in two phase time-lapse seismic data to error threshold and examines right maximum position interval error threshold value, and described maximum position interval error threshold value comprises two phase big guns and examines right sp location interval error value and right geophone station location gap error amount sum examined by described two phase big guns.When described two phase big guns examine right sp location interval error value and described two phase big guns examine right geophone station location gap error amount sum be less than described shot point error threshold time, can judge that two big guns examine right position as overlapping.Concrete, described big gun inspection can preset according to application scenarios error threshold.In a specific embodiment, described big gun inspection can be set to 100m to error threshold, but the embodiment of the present application is not as limit.
As can be seen here, the technical scheme that the embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data provides by mating with the geophone station in second phase time-lapse seismic data successively by each geophone station in each shot point in first phase time-lapse seismic data, and is chosen and is met pre-conditioned big gun and examine right information as the time-lapse seismic data after building from the second phase time-lapse seismic data in described default round scope.Time-lapse seismic data after the structure obtained have good collection consistance, have good repeatability with described first phase time-lapse seismic data.This feature is beneficial to follow-up obtaining can determine that in reservoir, fluid flowing and fluid composition change the difference seismic response caused.Compared with prior art, the technical scheme utilizing the embodiment of the present application to provide can improve the repeatability of two phase time-lapse seismic data, thus be beneficial to obtain accurately in reflection reservoir fluid flowing and fluid composition change the difference geological data caused, for formulate or renewal oil and gas development scheme provides effective foundation.
The application second embodiment, on the basis of the first embodiment, also add extra step.Below introduce the construction method of a kind of marine streamer time-lapse seismic data that the application second embodiment provides.Fig. 2 is the process flow diagram of the second embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data, although hereafter describe flow process to comprise the multiple operations occurred with particular order, but should have a clear understanding of, these processes can comprise more or less operation, and these operations can sequentially perform or executed in parallel.As shown in Figure 2, this embodiment comprises:
Obtain first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, following operation performed to each shot point in described first phase time-lapse seismic data:
S210: the time-lapse seismic data obtaining the first shot point from described first phase time-lapse seismic data.
S220: determine to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius;
Each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right, obtains third phase time-lapse seismic data to each big gun inspection in described first shot point to following being operated to of execution:
S230: right information is examined in the first bombard obtained in the time-lapse seismic data of described first shot point.
S240: the big gun judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether examined right information with the described first bombard mutually.
In certain embodiments, when judge the big gun in the second phase time-lapse seismic data in described default round scope examine right information and the described first bombard examine right information match time, can step S250 be performed; When judge the big gun in the second phase time-lapse seismic data in described default round scope examine right information and the described first bombard examine right information matches time, can step S260 be performed.
S250: when judged result is for coupling, the big gun examining right information match is examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
In certain embodiments, when judge the big gun in the second phase time-lapse seismic data in described default round scope examine right information and the described first bombard examine right information match time, the big gun examining right information match in the second phase time-lapse seismic data in described default round scope with the described first bombard can be examined right information as the time-lapse seismic data after building.
S260: when judged result for do not mate time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
As can be seen here, the technical scheme that the embodiment of the construction method of a kind of marine streamer time-lapse seismic of the application data provides by mating with the geophone station in second phase time-lapse seismic data successively by each geophone station in each shot point in first phase time-lapse seismic data, and is chosen and is met pre-conditioned big gun and examine right information as the time-lapse seismic data after building from the second phase time-lapse seismic data in described default round scope.Time-lapse seismic data after the structure obtained have good collection consistance, have good repeatability with described first phase time-lapse seismic data.This feature is beneficial to follow-up obtaining can determine that in reservoir, fluid flowing and fluid composition change the difference seismic response caused.Compared with prior art, the technical scheme utilizing the embodiment of the present application to provide can improve the repeatability of two phase time-lapse seismic data, thus be beneficial to obtain accurately in reflection reservoir fluid flowing and fluid composition change the difference geological data caused, for formulate or renewal oil and gas development scheme provides effective foundation.
The application also provides a kind of embodiment of construction device of marine streamer time-lapse seismic data on the other hand, Fig. 3 is the schematic diagram of the construction device of a kind of marine streamer time-lapse seismic data that the embodiment of the present application provides, by reference to the accompanying drawings 3, described device 300 can comprise:
Presetting module 310, may be used for obtaining first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, and each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right.
First data acquisition module 320, may be used for the time-lapse seismic data obtaining the first shot point from described first phase time-lapse seismic data.
First determination module 330, may be used for determining to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius.
Second data acquisition module 340, may be used for the first bombard obtained in the time-lapse seismic data of described first shot point and examines right information.
Judge module 350, the big gun that may be used for judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard.
First data processing module 360, may be used for when described judge module judged result for coupling time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
Fig. 4 is another schematic diagram of the construction device of a kind of marine streamer time-lapse seismic data that the embodiment of the present application provides.In a preferred embodiment, by reference to the accompanying drawings 4, described device 300 can also comprise:
Second data processing module 370, may be used for, when the judged result of described judge module is for coupling, the big gun examining right information match being examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
In a preferred embodiment, the first data processing module 360 can comprise:
Computing unit, the second big gun that may be used for calculating in the second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum;
Data processing unit, may be used for when described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from when being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, described shotpoint spacing minimum for numerical value is examined right information as the time-lapse seismic data after building from described geophone interval from the big gun corresponding to sum.
In a preferred embodiment, described shot point error threshold is set to 70m.
In a preferred embodiment, described geophone station error threshold is set to 50m.
In a preferred embodiment, described big gun inspection is set to 100m to error threshold.
As can be seen here, the technical scheme that the construction method of a kind of marine streamer time-lapse seismic of the application data and the embodiment of device provide by mating with the geophone station in second phase time-lapse seismic data successively by each geophone station in each shot point in first phase time-lapse seismic data, and choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.Time-lapse seismic data after the structure obtained have good collection consistance, have good repeatability with described first phase time-lapse seismic data.This feature is beneficial to follow-up obtaining can determine that in reservoir, fluid flowing and fluid composition change the difference seismic response caused.Compared with prior art, the technical scheme utilizing the embodiment of the present application to provide can improve the repeatability of two phase time-lapse seismic data, thus be beneficial to obtain accurately in reflection reservoir fluid flowing and fluid composition change the difference geological data caused, for formulate or renewal oil and gas development scheme provides effective foundation.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.Especially, for system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Although depict the application by embodiment, those of ordinary skill in the art know, the application has many distortion and change and do not depart from the spirit of the application, and the claim appended by wishing comprises these distortion and change and do not depart from the spirit of the application.
Claims (12)
1. a construction method for marine streamer time-lapse seismic data, is characterized in that, described method comprises: obtain first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, following operation performed to each shot point in described first phase time-lapse seismic data:
The time-lapse seismic data of the first shot point are obtained from described first phase time-lapse seismic data;
Determine to preset the second phase time-lapse seismic data in circle scope, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius;
Each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right, to each big gun inspection in described first shot point to the following operation of execution:
Right information is examined in the first bombard obtained in the time-lapse seismic data of described first shot point;
The big gun judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard;
When judged result for do not mate time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
2. method according to claim 1, is characterized in that, described method also comprises:
When judged result is for coupling, the big gun examining right information match is examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
3. method according to claim 1, is characterized in that, described choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data comprise:
The second big gun calculated in the second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum;
When described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, described shotpoint spacing minimum for numerical value is examined right information as the time-lapse seismic data after building from described geophone interval from the big gun corresponding to sum.
4. the method according to claim 1 or 3, is characterized in that, described shot point error threshold is set to 70m.
5. method according to claim 3, is characterized in that, described geophone station error threshold is set to 50m.
6. method according to claim 3, is characterized in that, described big gun inspection is set to 100m to error threshold.
7. a construction device for marine streamer time-lapse seismic data, is characterized in that, described device comprises:
Presetting module, for obtaining first phase time-lapse seismic data and second phase time-lapse seismic data in advance; Travel through each shot point in described first phase time-lapse seismic data, and each big gun inspection traveled through in the time-lapse seismic data of described first shot point is right;
First data acquisition module, for obtaining the time-lapse seismic data of the first shot point from described first phase time-lapse seismic data;
First determination module, preset the second phase time-lapse seismic data in circle scope for determining, described default circle comprises with the position of described first shot point for the center of circle, and with the circle that the shot point error threshold pre-set is radius;
Second data acquisition module, examines right information for the first bombard obtained in the time-lapse seismic data of described first shot point;
Judge module, the big gun for judging in the second phase time-lapse seismic data in described default round scope is examined right information and whether is examined right information match with the described first bombard;
First data processing module, for when described judge module judged result for coupling time, choose from the second phase time-lapse seismic data in described default round scope meet pre-conditioned big gun examine right information as build after time-lapse seismic data.
8. device according to claim 7, is characterized in that, described device also comprises:
Second data processing module, for when the judged result of described judge module is for coupling, the big gun examining right information match is examined right information as the time-lapse seismic data after building in the second phase time-lapse seismic data in described default round scope with the described first bombard.
9. device according to claim 7, is characterized in that, the first data processing module comprises:
Computing unit, for the second big gun calculated in second phase time-lapse seismic data that the described first bombard examines in right shot point and described default round scope examine shotpoint spacing between right shot point from, calculate the described first bombard examine right geophone station and described second big gun examine geophone interval between right geophone station from, calculate described shotpoint spacing from described geophone interval from sum;
Data processing unit, for when described shotpoint spacing is from the shot point error threshold pre-set described in being less than, and described geophone interval is from when being less than the geophone station error threshold pre-set, and described shotpoint spacing from described geophone interval from sum be less than the big gun pre-set examine error threshold time, described shotpoint spacing minimum for numerical value is examined right information as the time-lapse seismic data after building from described geophone interval from the big gun corresponding to sum.
10. the device according to claim 7 or 9, is characterized in that, described shot point error threshold is set to 70m.
11. devices according to claim 9, is characterized in that, described geophone station error threshold is set to 50m.
12. devices according to claim 9, is characterized in that, described big gun inspection is set to 100m to error threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649649.0A CN105301635B (en) | 2015-10-09 | 2015-10-09 | A kind of construction method and device of marine streamer time-lapse seismic data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649649.0A CN105301635B (en) | 2015-10-09 | 2015-10-09 | A kind of construction method and device of marine streamer time-lapse seismic data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105301635A true CN105301635A (en) | 2016-02-03 |
| CN105301635B CN105301635B (en) | 2017-10-17 |
Family
ID=55199111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510649649.0A Active CN105301635B (en) | 2015-10-09 | 2015-10-09 | A kind of construction method and device of marine streamer time-lapse seismic data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105301635B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198550A (en) * | 2019-07-08 | 2021-01-08 | 中国石油天然气集团有限公司 | Repeatability measurement method and device for time-lapse seismic data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208587B1 (en) * | 1997-07-10 | 2001-03-27 | Pgs Tensor, Inc. | Method of detecting seismic events and for detecting and correcting geometry and statics error in seismic data |
| WO2009123471A1 (en) * | 2008-03-31 | 2009-10-08 | Statoilhydro Asa | Method for reflection time shift matching a first and a second set of seismic reflection data |
| US20130033961A1 (en) * | 2011-08-05 | 2013-02-07 | Saudi Aramco | Correcting Time Lapse Seismic Data for Overburden and Recording Effects |
| CN104570076A (en) * | 2013-10-17 | 2015-04-29 | 中国石油化工股份有限公司 | Automatic seismic wave first-arrival picking method based on dichotomy |
-
2015
- 2015-10-09 CN CN201510649649.0A patent/CN105301635B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208587B1 (en) * | 1997-07-10 | 2001-03-27 | Pgs Tensor, Inc. | Method of detecting seismic events and for detecting and correcting geometry and statics error in seismic data |
| WO2009123471A1 (en) * | 2008-03-31 | 2009-10-08 | Statoilhydro Asa | Method for reflection time shift matching a first and a second set of seismic reflection data |
| US20130033961A1 (en) * | 2011-08-05 | 2013-02-07 | Saudi Aramco | Correcting Time Lapse Seismic Data for Overburden and Recording Effects |
| CN104570076A (en) * | 2013-10-17 | 2015-04-29 | 中国石油化工股份有限公司 | Automatic seismic wave first-arrival picking method based on dichotomy |
Non-Patent Citations (1)
| Title |
|---|
| 凌云 等: "非重复性采集随时间推移地震勘探实例研究", 《石油物探》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198550A (en) * | 2019-07-08 | 2021-01-08 | 中国石油天然气集团有限公司 | Repeatability measurement method and device for time-lapse seismic data |
| CN112198550B (en) * | 2019-07-08 | 2023-09-26 | 中国石油天然气集团有限公司 | Time-lapse seismic data repeatability measurement method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105301635B (en) | 2017-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105301650A (en) | Quality monitoring method and quality monitoring device for time-lapse seismic data acquired by marine towline | |
| CN104656141B (en) | Attitude road collection earth surface consistency vibration amplitude compensation method and device altogether | |
| CN107918156B (en) | Detect the method and device of subsea node acquisition earthquake data polarity | |
| CN112013286B (en) | Method and device for positioning pipeline leakage point, storage medium and terminal | |
| NO342539B1 (en) | Consistent fall angle estimation for seismic imaging | |
| CN104297790B (en) | Quantitative evaluation method for offset distribution in fluctuating submarine earthquake observation system | |
| CN103454681A (en) | Method and equipment for evaluating imaging effect of three-dimensional earthquake observing system | |
| CN105116419A (en) | GNSS receiver double channel carrier wave phase pseudorange smoothing method | |
| EP3164737B1 (en) | Offset footprint analysis for selecting candidate lines for seismic survey | |
| CN105301635A (en) | Constructing method and constructing device for time-lapse seismic data acquired by marine towline | |
| WO2021127382A1 (en) | Full waveform inversion in the midpoint-offset domain | |
| CN109581484B (en) | Method and device for analyzing total illumination index of seismic longitudinal wave component multiples | |
| CN110132509A (en) | A kind of buried pipeline breakage point positioning system and method | |
| CN113568041B (en) | Repeatability analysis method and system for time-lapse seismic three-dimensional towing cable acquired data | |
| CN112684498A (en) | Reservoir fracture prediction method and system based on wide-azimuth seismic data | |
| CN103777244A (en) | Method for quantitatively analyzing earthquake crack attribute volume | |
| CN104266646A (en) | Method and device for determining movement direction of terminal | |
| Li et al. | Multiple Kalman filters model with shaping filter GPS real-time deformation analysis | |
| CN104570091B (en) | A kind of method and apparatus for obtaining first arrival wave ray | |
| CN105204070B (en) | A kind of inclined detection method and device of big gun | |
| CN112241020A (en) | Method and apparatus for determining undersampling rate in sparse seismic data acquisition | |
| CN112649875A (en) | Method and device for positioning submarine node geophone | |
| Yang et al. | Robust sequential adaptive Kalman filter algorithm for ultrashort baseline underwater acoustic positioning | |
| CN111177886B (en) | Marine ranging planning and soil thickness prediction method based on geophysical prospecting data analysis | |
| CN113568040B (en) | Repeatability analysis method and system for time-lapse seismic acquisition data |
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 |