Method and system for circulating fluid in a subsea intervention stack

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

8684089

APP PUB NO

20110011593A1

SERIAL NO

12735221

1 Status Updates

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ATTORNEY / AGENT: (SPONSORED)

Importance

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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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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FMC KONGSBERG SUBSEA ASKONGSBERG36

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borhaug, Kristian Asker, NO 1 7
Herø, Gunnar Vøenenga, NO 1 7

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
* 5048603 Lubricator corrosion inhibitor treatment 6 1990
* 5343941 Apparatus for treating oil and gas wells 11 1992
* 6076603 Method for removal and treatment of paraffin 5 1998
* 7389818 Method and device by a displacement tool 9 2002
 
SCOTTISH ENTERPRISE (1)
* 4577693 Wireline apparatus 30 1985
 
HALLIBURTON COMPANY (1)
* 4673041 Connector for well servicing system 35 1986
 
AX-S TECHNOLOGY LTD (2)
* 2011/0094,749 Purge System 5 2006
* 2010/0032,163 PURGE SYSTEM 3 2007
 
VETCO GRAY INC. (1)
* 7819195 External high pressure fluid reservoir for riser tensioner cylinder assembly 10 2007
 
BAKER HUGHES INCORPORATED (1)
* 7699110 Flow diverter tool assembly and methods of using same 9 2006
 
ExxonMobil Upstream Research Company (1)
* 7721807 Method for managing hydrates in subsea production line 23 2005
 
OTIS ENGINEERING CORPORATION (1)
* 4821799 Grease injection control system 14 1988
 
Multiflex, Inc. (1)
* 5458691 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 4 2009
 
Well Technology AS (1)
* 2008/0277,122 Apparatus and a Method For Deployment of a Well Intervention Tool String Into a Subsea Well 15 2006
 
TECHNIP FRANCE (1)
* 8342248 Apparatus for venting an annular space between a liner and a pipeline of a subsea riser 4 2008
 
FMC TECHNOLOGIES, INC. (1)
* 7331393 Subsea lubricator device and methods of circulating fluids in a subsea lubricator 8 2000
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
ENOVATE SYSTEMS LIMITED (2)
* 9169714 Flushing system 1 2010
* 2012/0241,161 FLUSHING SYSTEM 1 2010
 
FMC TECHNOLOGIES, INC. (4)
* 9482075 Retrieval of subsea production and processing equipment 0 2012
* 2015/0315,878 RETRIEVAL OF SUBSEA PRODUCTION AND PROCESSING EQUIPMENT 0 2012
* 9556713 Methods for retrieval and replacement of subsea production and processing equipment 0 2015
* 2015/0361,769 METHODS FOR RETRIEVAL AND REPLACEMENT OF SUBSEA PRODUCTION AND PROCESSING EQUIPMENT 0 2015
* Cited By Examiner

Maintenance Fees

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