[특허]Multiple anchors for a tension leg platform

[미국특허] Multiple anchors for a tension leg platform 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B63B-035/44 E02B-017/00
출원번호	US-0175103 (1980-08-04)
발명자 / 주소	Goldsmith Riley G. (Houston TX)
출원인 / 주소	Conoco Inc. (Ponca City OK 02)
인용정보	피인용 횟수 : 10 인용 특허 : 19

초록 ▼

Apparatus and methods are provided for installing an underwater anchor system including a plurality of separate anchors for a tension leg platform. A cluster of tethering elements is connected between the tension leg platform and each of the separate anchors. Each anchor assembly includes a primary anchor which is first located approximately in a desired position upon the ocean floor. This position includes a lateral location and/or an angular orientation about a vertical axis. Then the position of the primary anchor is ascertained and compared to a desired position of the main anchor. The main anchor is designed to be lowered into engagement with the primary anchor. A relative position determining structure is interconnected between the primary and main anchors for varying the relative position of the main anchor relative to the primary anchor to correct for any difference between the ascertained final position of the primary anchor and the desired position of the main anchor. This relative position determining structure is adjusted as necessary. Then the main anchor is lowered into engagement with the primary anchor so that a location and final angular orientation of the main anchor is determined by the relative position determining structure upon engagement of the main anchor with the primary anchor.

대표청구항 ▼

A method of installing an underwater anchor assembly, said method comprising the steps of: lowering a primary anchor to a floor of a body of water; ascertaining a final position of said primary anchor upon said floor, said position including at least one of a lateral location upon said floor and an angular orientation about a vertical axis; comparing said ascertained position of said primary anchor to a desired position of a main anchor; adjusting a relative position determining means, for determining a position of said main anchor relative to said primary anchor upon engagement of said main anchor with said primary anchor, and thereby correcting as necessary for any difference between said ascertained position of said primary anchor and said desired position of said main anchor; and lowering said main anchor into engagement with said primary anchor so that a final position of said main anchor is determined by said relative position determining means, said final position being said desired position of said main anchor.

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Jansz ; Joost W., Anchoring construction on the sea bottom.
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Burkhardt Joseph A. (New Orleans LA) Loth William D. (Covington LA) Pattison Martin O. (Palos Verdes Estates CA), Apparatus for anchoring an offshore structure.
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Pennock Michael Derek (Pinner EN), Apparatus for guiding a load between a surface apparatus and a submerged base platform.
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Vache Jean-Claude (Roissy en Brie FRX), Apparatus for positioning an off-shore weight structure on a previously positioned sea bed unit.
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Radd Frederick J. (Ponca City OK), Corrosion resistant tension leg cables.
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Steddum Riddle E. (Houston TX), Floating structure.
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Thorne Paul M. (Escondito CA), Guidelineless subsea wellhead entry/reentry system.
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Blenkarn Kenneth A. (Tulsa OK) Greenfield William D. (Tulsa OK), Installation of vertically moored platform.
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Stram Edward M. (San Rafael CA), Installation of vertically moored platforms.
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Bourne ; Jr. Henry A. (Ponca City OK) Salama Mamdouh (Ponca City OK), Mooring system for tension leg platform.
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Osborne ; Bodwell D., Riser/jacket vertical bearing assembly for vertically moored platform.
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Dixon ; David A., Sea-floor template.
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Haselton Frederick R. (1205 Fallsmead Way Rockville MD 20854), Semi-submersible vessels.
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Lapetina Robert Anthony (Salt Lake City UT), Sonar/television system for use in underwater exploration.
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Zaremba Hubart B. (London GB2), Subsea drilling template with carousel guidance system.
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Newby Maurice P. (Helensburgh GB6) Rainey Roderick C. T. (Glasgow GB6), Tension leg buoyancy structure.
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Mott George E. (Metairie LA), Tension leg platform with quick release mechanism.
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Kalinowski David W. (Metairie LA), Tension leg structure with riser stabilization.
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Gracia ; Bert E., Unitized conductor guide and frame for offshore drilling and production.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Kellett Rodney (Leeds GB2), Adjustable conductor guide assembly for sub-sea wells and methods and tools for adjustment thereof.
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De Medeiros ; Jr. Cipriano Jose,BRX ; Porto Elisabeth De Campos,BRX ; Rosas Maria Marta De Castro,BRX ; Masetti Isaias Quaresma,BRX, Foundation system for tension leg platforms.
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De Medeiros ; Junior Cipriano Jose,BRX ; Porto Elisabeth De Campos,BRX ; Rosas Maria Marta De Castro,BRX ; Masetti Isaias Quaresma,BRX, Foundation system for tension leg platforms.
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De Medeiros Junio Cipriano Jose,BRX ; De Campos Porto Elisabeth,BRX ; De Castro Rosas Maria Marta,BRX ; Quaresma Masetti Isaias,BRX, Foundation system for tension leg platforms.
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De Medeiros Junio, Cipriano Jose; Porto, Elisabeth De Campos; De Castro Rosas, Maria Marta; Masetti, Isaias Quaresma, Foundation system for tension leg platforms.
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Doyle, Jr., Earl Howard; Huete, David Armstrong; Garside, Richard; Snyder, Dale Richard, Method for templateless foundation installation.
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De Medeiros Junio Cipriano Jose,BRX ; Porto Elisabeth De Campos,BRX ; Rosas Maria Marta De Castro,BRX ; Masetti Isaias Quaresma,BRX, Method of installing foundation for tension leg platform.
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Riles William G. (12335 Gladewick Houston TX 77077), Offshore platform construction including preinstallation of pilings.
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Reinert, Sr.,Gary L., Pile testing reaction anchor apparatus and method.
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Reinert, Sr., Gary L., Segmented foundation installation apparatus and method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Multiple anchors for a tension leg platform 원문보기