Self-burying autonomous underwater vehicle and method for marine seismic surveys
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63G-008/00
B63H-019/08
B63H-011/02
G01V-001/16
G01V-001/38
출원번호
US-0103216
(2013-12-11)
등록번호
US-9457879
(2016-10-04)
발명자
/ 주소
Brizard, Thierry
출원인 / 주소
SEABED GEOSOLUTIONS B.V.
대리인 / 주소
Park, Vaughan, Fleming & Dowler LLP
인용정보
피인용 횟수 :
2인용 특허 :
36
초록▼
An autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey. The AUV includes a body having a base and sides; a propulsion system for guiding the AUV to a final target on the ocean bottom; a pump-jet connected to an inlet and plural base outlets, wherein the p
An autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey. The AUV includes a body having a base and sides; a propulsion system for guiding the AUV to a final target on the ocean bottom; a pump-jet connected to an inlet and plural base outlets, wherein the plural base outlets are distributed on the base; a processor connected to the pump-jet and configured to activate the pump-jet when the base in on the ocean bottom; and a seismic sensor configured to record seismic signals. The pump-jet has a first low speed so that water jets expelled at the plural base outlets fluidize the ocean bottom underneath the base and buries the AUV.
대표청구항▼
1. An autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey, the AUV comprising: a body having a base and sides;a propulsion system for guiding the AUV to a target on the ocean bottom;a pump-jet connected to an inlet and plural base outlets, wherein the plu
1. An autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey, the AUV comprising: a body having a base and sides;a propulsion system for guiding the AUV to a target on the ocean bottom;a pump-jet connected to an inlet and plural base outlets, wherein the plural base outlets are distributed on the base;a processor connected to the pump-jet and configured to activate the pump-jet when the base is on the ocean bottom; anda seismic sensor configured to record seismic signals while the AUV is buried in the ocean bottom,wherein the pump-jet has a first speed so that water jets expelled at the plural base outlets fluidize the ocean bottom underneath the base and buries the AUV. 2. The AUV of claim 1, further comprising: plural side outlets distributed on the sides of the body and fluidly connected to the pump-jet so that, when water jets are expelled through the plural side outlets, the AUV is further buried. 3. The AUV of claim 2, wherein the plural side outlets are located closer to the base than a top of the body. 4. The AUV of claim 2, further comprising: vibrating nozzles provided on the sides of the body and configured to be activated by the pump-jet or another pump-jet to vibrate the body to further bury the AUV. 5. The AUV of claim 1, wherein the inlet comprises: a telescopic conduit configured to extend above the body to provide an intake of clean water. 6. The AUV of claim 1, wherein the inlet is located on top of the body. 7. The AUV of claim 1, wherein the seismic sensor is coupled with the ocean floor after the AUV is buried. 8. The AUV of claim 1, wherein the processor is configured to activate the pump-jet after the AUV has landed and for a predetermined amount of time for burying into the seabed. 9. The AUV of claim 1, wherein the processor is configured to run the pump-jet with a second speed, after recoding the seismic signals, so that the AUV detaches from the ocean bottom. 10. The AUV of claim 1, wherein the processor is configured to run the pump-jet with a second speed just before landing on the ocean bottom to slow down the AUV, wherein the second speed is higher than the first speed. 11. A marine seismic survey system for generating seismic waves and recording seismic signals, the system comprising: a source vessel towing a seismic source for generating the seismic waves; andplural autonomous underwater vehicles (AUV) for recording the seismic signals,wherein an AUV includes,a body having a base and sides,a propulsion system for guiding the AUV to a target on the ocean bottom,a pump-jet connected to an inlet and plural base outlets, wherein the plural base outlets are distributed on the base,a processor connected to the pump-jet and configured to activate the pump-jet when the base in on the ocean bottom, anda seismic sensor configured to record seismic signals while the AUV is buried in the ocean bottom,wherein the pump-jet has a first speed so that water jets expelled at the plural base outlets fluidize the ocean bottom underneath the base and buries the AUV. 12. The system of claim 11, wherein the AUV further comprises: plural side outlets distributed on the sides of the body and fluidly connected to the pump-jet so that, when water jets are expelled through the plural side outlets, the AUV is further buried. 13. The system of claim 12, wherein the plural side outlets are located closer to the base than a top of the body. 14. The system of claim 12, wherein the AUV further comprises: vibrating nozzles located on the sides of the body and configured to be activated by the pump-jet or another pump-jet to vibrate the body to further bury the AUV. 15. The system of claim 11, wherein the inlet comprises: a telescopic conduit configured to extend above the body to provide an intake of clean water. 16. The system of claim 11, wherein the processor is configured to activate the pump-jet after the AUV has landed but prior to recording the seismic signals, and for a predetermined amount of time for burying into the seabed. 17. The system of claim 11, wherein the processor is configured to run the pump-jet, after recording the seismic signals, with a second speed so that the AUV detaches from the ocean bottom. 18. A method for partially burying an autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey, the method comprising: launching the AUV in water, the AUV having a body having a base and sides;guiding the AUV with a propulsion system to a target on the ocean bottom;activating a pump-jet connected to an inlet and plural base outlets, wherein the plural base outlets are distributed on the base, to bury the AUV when water jets expelled at the plural base outlets fluidize the ocean bottom underneath the base; andrecording with a seismic sensor the seismic signals while the AUV is buried in the ocean bottom. 19. The method of claim 18, further comprising: using plural side outlets distributed on the sides of the body and fluidly connected to the pump-jet so that, when water jets are expelled through the plural side outlets, the AUV is further buried. 20. The method of claim 19, further comprising: activating vibrating nozzles provided on the sides of the body to vibrate the body to further bury the AUV.
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이 특허에 인용된 특허 (36)
Bary, R?nate; Meynier, Patrick, Acquisition method and device for seismic exploration of a geologic formation by permanent receivers set on the sea bottom.
Andrew M. Watt ; Allen F. Leatt ; Calum MacKinnon GB, Apparatus and method for deploying, recovering, servicing, and operating an autonomous underwater vehicle.
Vandenbroucke, Eric, Method and device intended for seismic exploration of an underwater subsurface zone using seismic receivers coupled with the water bottom.
Thomas, Hubert, Method for seismic acquisition on the seabed, guiding equipment, seismic acquisition equipment and seismic acquisition system for the implementation of this method.
Welker, Kenneth E.; Kristiansen, Ottar; Svendsen, Morten; Kragh, Julian Edward, System and method of using autonomous underwater vehicle to facilitate seismic data acquisition.
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