IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0485556
(2012-05-31)
|
등록번호 |
US-9103942
(2015-08-11)
|
발명자
/ 주소 |
- Moldoveanu, Nicolae
- Fealy, Steven
- Deal, Kevin J.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
98 |
초록
▼
Methods and systems for survey designs are disclosed. In one embodiment, a method of towing an array of marine streamers is disclosed, wherein: the array includes a plurality of receivers, the array includes a plurality of steering devices, and the array is towed along a first portion of a coil sail
Methods and systems for survey designs are disclosed. In one embodiment, a method of towing an array of marine streamers is disclosed, wherein: the array includes a plurality of receivers, the array includes a plurality of steering devices, and the array is towed along a first portion of a coil sail path; steering the array of marine streamers along two or more depths; and steering the array of marine streamers to a slant angle while maintaining the array of marine streamers at their respective two or more depths.
대표청구항
▼
1. A method, comprising: towing an array of marine streamers, wherein: the array includes a plurality of receivers,the array includes a plurality of steering devices, andthe array is towed along a first portion of a coil sail path;steering the array of marine streamers along two or more depths; ands
1. A method, comprising: towing an array of marine streamers, wherein: the array includes a plurality of receivers,the array includes a plurality of steering devices, andthe array is towed along a first portion of a coil sail path;steering the array of marine streamers along two or more depths; andsteering the array of marine streamers to a slant angle along a crossline direction while maintaining the array of marine streamers at their respective two or more depths. 2. The method of claim 1, wherein the plurality of receivers include one or more seismic receivers. 3. The method of claim 1, wherein the plurality of receivers include one or more electromagnetic receivers. 4. The method of claim 1, wherein the array of marine streamers is steered using the plurality of steering devices. 5. The method of claim 1, wherein the plurality of steering devices comprises one or more birds, one or more deflectors, one or more tail buoys or combinations thereof. 6. The method of claim 5, wherein the array of marine streamers is steered to the two or more depths using the one or more birds. 7. The method of claim 5, wherein the array of marine streamers is steered to the slant angle using the deflectors. 8. The method of claim 5, wherein the array of marine streamers is steered to the slant angle using the tail buoys. 9. The method of claim 1, wherein the slant angle is determined at least in part based on the size of a subsurface bin from which a set of survey data is to be acquired. 10. The method of claim 1, wherein: respective proximate ends of one or more streamers in the array of streamers are maintained at a first depth selected from the two or more depths; andrespective distal ends of one or more streamers in the array of streamers are maintained at a second depth selected from the two or more depths. 11. The method of claim 1, wherein the two or more depths increase in a cross line direction. 12. The method of claim 1, wherein the slant angle includes variable depths along a length of the streamer array. 13. The method of claim 1, wherein the slant angle includes variable depths along the crossline direction of the streamer array. 14. The method of claim 1, wherein the slant angle includes variable depths along the crossline direction of the streamer array and variable depths along a length of the streamer array. 15. The method of claim 1, further comprising: towing one or more sources; andproducing one or more energy emissions from the one or more sources while towing the array of marine streamers in the first portion of the coil sail path. 16. The method of claim 15, wherein the one or more sources are towed by a first vessel, and the streamer array is towed by a second vessel. 17. The method of claim 15, wherein the one or more sources and the streamer array are towed by a first vessel. 18. The method of claim 15, further comprising collecting data at one or more of the plurality of receivers, wherein the collected data corresponds to respective returns from the subsurface of respective energy emissions in the one or more energy emissions emitted from the one or more sources. 19. The method of claim 18, further comprising processing the collected data, wherein the processing includes one or more techniques selected from the group consisting of stacking, imaging, inversion, full waveform inversion, deconvolution, migration, deghosting, reverse time migration, mirror migration, zero-phase Wiener deconvolution, and blueness correction. 20. A method, comprising: receiving a data set collected by a plurality of marine streamers having a plurality of receivers, wherein: the received data set corresponds to a subterranean region, andwhile collecting the data set, the plurality of marine streamers was towed: along a first portion of a coil sail path,at a slant angle along a crossline direction, andmaintaining the marine streamer at two or more depths; andprocessing the collected data, wherein the processing includes one or more techniques selected from the group consisting of stacking, imaging, inversion, full waveform inversion, deconvolution, migration, deghosting, reverse time migration, mirror migration, zero-phase Wiener deconvolution, and blueness correction. 21. A survey system, comprising: a vessel, anda steerable array of marine streamers including a plurality of receivers and a plurality of steering devices, wherein: the steerable array of marine streamers is configured to be towed along two or more depths along a coil sail path, andthe steerable array of marine streamers is configured to be steered to a slant angle along a crossline direction while maintaining the array of marine streamers at their respective two or more depths.
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