Paravane increased lift, towing system and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63B-021/66
G01V-001/38
출원번호
US-0685778
(2012-11-27)
등록번호
US-8997675
(2015-04-07)
우선권정보
FR-11 61060 (2011-12-01)
발명자
/ 주소
MacQuin, Raphael
Tonchia, Helene
Grousset, Thierry
출원인 / 주소
CGGVeritas Services SA
대리인 / 주소
Patent Portfolio Builders PLLC
인용정보
피인용 횟수 :
1인용 특허 :
8
초록▼
A method and a marine towing system for towing streamers or sources. The towing system includes a connecting line; a first paravane connected to the connecting line, wherein the connecting line is configured to connect the first paravane to a vessel; a spur line connected to the first paravane and c
A method and a marine towing system for towing streamers or sources. The towing system includes a connecting line; a first paravane connected to the connecting line, wherein the connecting line is configured to connect the first paravane to a vessel; a spur line connected to the first paravane and configured to provide a tension to maintain streamers apart from each other; and a second paravane connected to the connecting line, between the first paravane and the vessel. The second paravane is configured to increase an angle (α4) between the connecting line and the spur line.
대표청구항▼
1. A marine towing system for towing streamers or sources, the towing system comprising: a connecting line connected to a connecting device;a first paravane connected to the connecting line through the connecting device, wherein the connecting line is configured to connect the first paravane to a ve
1. A marine towing system for towing streamers or sources, the towing system comprising: a connecting line connected to a connecting device;a first paravane connected to the connecting line through the connecting device, wherein the connecting line is configured to connect the first paravane to a vessel;a spur line connected to the first paravane and to the connecting line through the connecting device such that the spur line is located between the connecting device and heads of streamers, and the spur line is configured to provide a tension to maintain the heads of the streamers apart from each other; anda second paravane connected to the connecting line, at a location between the first paravane and the vessel,wherein the second paravane is configured to increase an angle (α4) between the connecting line and the spur line. 2. The towing system of claim 1, wherein the connecting device connects together the first paravane, the spur line and the connecting line. 3. The towing system of claim 2, further comprising: one or more straps connecting the first paravane to the connecting device. 4. The towing system of claim 1, wherein the connecting line is a rope. 5. The towing system of claim 1, wherein the first and second paravanes have a wing that is configured to rotate to change an orientation of the first and second paravanes. 6. The towing system of claim 1, wherein the second paravane is configured to make the angle (α4) substantially 90 degrees or larger. 7. The towing system of claim 1, further comprising: a third paravane attached to the connecting line and located between the second paravane and the vessel. 8. The towing system of claim 1, wherein the first paravane includes a cluster of individual paravanes. 9. A marine towing system for towing streamers or sources, the towing system comprising: a connecting line;a first paravane connected to the connecting line, wherein the connecting line is configured to connect the first paravane to a vessel;a first spur line connected between the first paravane and a connecting device and configured to provide a tension to maintain streamers apart from each other;a second paravane connected to the first paravane through a connecting link; anda second spur line connected between the second paravane and the connecting device and configured to provide a further tension to maintain the streamers apart from each other,wherein the connecting device is connected to the streamers. 10. The towing system of claim 9, wherein a head of a streamer is configured to connect to the connecting device. 11. The towing system of claim 9, further comprising: a lead-in connected between the connecting device and the vessel. 12. The towing system of claim 9, further comprising: a third paravane attached to the connecting line and located between the first paravane and the vessel. 13. The towing system of claim 12, further comprising: a connecting line configured to connect the third paravane and the connecting line to a lead-in. 14. The towing system of claim 13, wherein the connecting line is configured to extend to plural lead-ins. 15. A method for towing streamers or sources with a marine towing system, the method comprising: attaching a first paravane to a first end of a connecting line through a connecting device, wherein the connecting line is configured to connect with a second end to a vessel;attaching a spur line to the first paravane through the connecting device such that the spur line is located between the connecting device and heads of streamers;attaching a second paravane to the connecting line, at a location between the first paravane and the vessel; andadjusting settings of the second paravane to achieve a desired angle (α4) between the connecting line and the spur line. 16. The method of claim 15, further comprising: attaching supplementary paravanes to the first end of the connecting line. 17. The method of claim 15, further comprising: attaching a third paravane to the connecting line, at a location between the second paravane and the vessel. 18. A method for towing streamers or sources with a marine towing system, the method comprising: attaching a first paravane to a first end of a connecting line, wherein the connecting line is configured to connect with a second end to a vessel;attaching a first spur line between the first paravane and a connecting device and connecting the first spur line to the first end of the connecting line;attaching a second paravane to the first paravane through a connecting link;attaching a second spur line between the second paravane and the connecting device;connecting the connecting device to a streamer; andadjusting settings of the first and second paravanes to achieve a desired lift on a spread rope connected between the connecting device and an adjacent connecting device. 19. The method of claim 18, further comprising: attaching a lead-in to the adjacent connecting device, wherein the lead-in is connected with one end to the vessel. 20. The method of claim 18, further comprising: attaching a third paravane to the connecting line, at a location between the first paravane and the vessel; andconnecting the third paravane to a lead-in through a connecting line.
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Einar Gjestrum NO; Martin Howlid NO; Gordon Lane McDaniel, Method and apparatus for marine seismic surveying including multiples streamers from a lead-in.
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