US Patent Application No: 2011/0011,593

Number of patents in Portfolio can not be more than 2000

METHOD AND SYSTEM FOR CIRCULATING FLUID IN A SUBSEA INTERVENTION STACK

ALSO PUBLISHED AS: 8684089

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a fluid circulation system for circulating fluid in a subsea cavity, the cavity being filled with a first fluid and having first and second end ports. The system comprises a container (26) containing a second fluid, fluid lines (21, 27) extending from the container to the first and second end ports of the cavity, respectively, and a pump (22) for exchanging the second fluid provided in the container (26) and the first fluid provided in the subsea cavity (10). The invention also relates to a method for circulating fluid in a subsea cavity.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FMC KONGSBERG SUBSEA ASKONGSBERG25

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borhaug, Kristian - 2 0
Herø, Gunnar - 2 0

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AX-S TECHNOLOGY LTD. (2)
* 2011/0094,749 Purge System 1 2006
* 2010/0032,163 PURGE SYSTEM 1 2007
 
BAKER HUGHES INCORPORATED (1)
* 7,699,110 Flow diverter tool assembly and methods of using same 7 2006
 
EXXONMOBIL UPSTREAM RESEARCH COMPANY (1)
* 7,721,807 Method for managing hydrates in subsea production line 14 2005
 
FMC TECHNOLOGIES, INC. (1)
* 7,331,393 Subsea lubricator device and methods of circulating fluids in a subsea lubricator 5 2000
 
HALLIBURTON COMPANY (1)
* 4,673,041 Connector for well servicing system 29 1986
 
Multiflex, Inc. (1)
* 5,458,691 Method and apparatus for flushing fluid through the interstices of subsea umbilicals 3 1994
 
ONESUBSEA, LLC (1)
* 2011/0192,610 SUBSEA WELL INTERVENTION LUBRICATOR AND METHOD FOR SUBSEA PUMPING 1 2009
 
OTIS ENGINEERING CORPORATION (1)
* 4,821,799 Grease injection control system 11 1988
 
SCOTTISH ENTERPRISE (1)
* 4,577,693 Wireline apparatus 25 1985
 
TECHNIP FRANCE (1)
* 8,342,248 Apparatus for venting an annular space between a liner and a pipeline of a subsea riser 2 2008
 
VETCO GRAY INC. (1)
* 7,819,195 External high pressure fluid reservoir for riser tensioner cylinder assembly 5 2007
 
WELL TECHNOLOGY AS (1)
* 2008/0277,122 Apparatus and a Method For Deployment of a Well Intervention Tool String Into a Subsea Well 10 2006
 
Other [Check patent profile for assignment information] (4)
* 5,048,603 Lubricator corrosion inhibitor treatment 5 1990
* 5,343,941 Apparatus for treating oil and gas wells 9 1992
* 6,076,603 Method for removal and treatment of paraffin 4 1998
* 7,389,818 Method and device by a displacement tool 5 2002
* Cited By Examiner

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