Subsea storage tank for bulk storage of fluids subsea
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0993994
(2016-01-12)
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등록번호 |
US-9540169
(2017-01-10)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
A subsea storage tank for the storage of bulk fluids is adapted for being set on the sea floor, and is adapted for supplying to local subsea oil and gas production facilities a wide variety of production support fluids. The subsea storage tank includes an inner and outer shell, the shells being adap
A subsea storage tank for the storage of bulk fluids is adapted for being set on the sea floor, and is adapted for supplying to local subsea oil and gas production facilities a wide variety of production support fluids. The subsea storage tank includes an inner and outer shell, the shells being adapted so that a barrier fluid can be inserted into and between the shells. An interior barrier separates the interior stored fluid from sea water that is free to enter into the tank, on the opposite side of the barrier, to compensate to the varying volume of stored fluid. An identical tandem barrier is formed nearly identical to the first barrier, and is formed and positioned so that the two barriers act together, and so that the space between them can contain fluid as well, and acts like a bladder.
대표청구항
▼
1. A subsea storage tank for the storage of bulk fluids, the tank comprising: an upper shell half and a lower shell half, the two halves being nearly identical halves, each half having a flange to bolt and assemble the halves into a complete tank;into and between the flanged halves of the tank, a fi
1. A subsea storage tank for the storage of bulk fluids, the tank comprising: an upper shell half and a lower shell half, the two halves being nearly identical halves, each half having a flange to bolt and assemble the halves into a complete tank;into and between the flanged halves of the tank, a first barrier bladder isolates and prevent comingling of a storage fluid in one half of the tank from the other half of the tank;an identical tandem barrier bladder is positioned so that the two barrier bladders to act together, and so that the space between them can contain fluid as well, and an inner shell and an outer shell, the shells adapted for receiving a barrier fluid between the shells. 2. The subsea storage tank according to claim 1, further comprising a pump and associated automatic valves so that the shells, and the barrier bladders, can be pressurized or vacuum drawn down to test the integrity of either the shells or the barrier bladders. 3. The subsea storage tank according to claim 2, further comprising adaptations and connections for lowering the tank subsea either full or empty of bulk fluid, and for fitting to a temporary or permanent subsea structure, by hoses, pipes, or hydraulic couplings. 4. The subsea storage tank according to claim 3, further comprising access ports with pistons, wherein the pistons move in response to pressure from the barrier bladders to close the access ports, thus stopping the entry of fluid into the tank.
이 특허에 인용된 특허 (9)
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Tuthill ; Jr. Wallace C. (Seabrook TX), Dual diaphragm tank with telltale drain.
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Borowitz Jrgen (Berglen DEX) Holl Walter (Stuttgart DEX) Leutner Volkmar (Friolzheim DEX), Elastic separating wall.
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Iizuka Jinya (Osaka JPX) Kato Seinosuke (Osaka JPX) Matsuda Akio (Osaka JPX), Method and apparatus for displacing oil and seawater in tanks of an oil tank.
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Haynes Harvey H. (Camarillo CA) Albertsen Norman D. (Ojai CA) Kahn Lawrence F. (Ann Arbor MI), Multiple seafloor storage and supply system.
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Pedersen Kristen I. (Houston TX), Subsea petroleum products storage system.
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Martin,David W., Subsea pressure compensation system.
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Banzoli Valeriano (Mestre IT) De Nora Giovanni (Spinea IT) Di Tella Vincenzo (Cappella di Torre Gavetta (Naples) IT) Lalli Domenico (Mogliano Veneto IT) Tempo Gianfranco (Venezia Lido IT), Underwater stationary tank for storing large amounts of crude oil.
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Fernandez Ramon J. (Houston TX) Kahl John S. (Houston TX), Underwater storage assembly.
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Fernandez Ramon J. (Houston TX) Kahl John S. (Houston TX), Underwater storage assembly.
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