US Patent No: 4,378,848

Number of patents in Portfolio can not be more than 2000

Method and apparatus for controlling subsea well template production systems

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Method and apparatus for remotely controlling subsea template production systems having a plurality of satellite wells and a plurality of subsea trees on the well templates uses a significantly reduced number of electrical and hydraulic lines between a surface control unit and a riser base on the seafloor. An electrohydraulic control module on the riser base receives electrical control signals and provides hydraulic output signals to operate the riser base. Electrohydraulic control modules on the templates receive electrical control signals and provide hydraulic output signals to control operation of the trees on the templates. The satellite wells are each controlled by a single hydraulic signal line connected between the surface control unit and a matrix switching control module at the satellite well. All of the electrohydraulic modules are replaceable using surface operated running tools.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FMC CORPORATIONPHILADELPHIA, PA243

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Milberger, Lionel J Spring, TX 58 984

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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VETCO GRAY CONTROLS LIMITED (1)
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8,400,871 Seafloor-following streamer 3 2007
8,442,770 Forming a geological model 2 2008
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* 2011/0290,497 SUBSEA HYDROCARBON PRODUCTION SYSTEM 6 2010
9,081,111 Method of providing seismic data 0 2011
9,164,188 Forming a geological model 0 2013
* 9,121,231 Subsea hydrocarbon production system 0 2014
* 2014/0251,632 SUBSEA HYDROCARBON PRODUCTION SYSTEM 1 2014
 
Horton Wison Deepwater, Inc. (2)
7,921,919 Subsea well control system and method 3 2007
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BAKER HUGHES INCORPORATED (2)
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Camco International Inc. (1)
6,247,536 Downhole multiplexer and related methods 63 1998
 
ENERGY EQUIPMENT CORPORATION (2)
* 7,219,740 Well production and multi-purpose intervention access hub 7 2005
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8,955,595 Apparatus and method for providing a controllable supply of fluid to subsea well equipment 0 2009
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ALPHA THAMES LTD. (2)
* 2004/0149,446 Power connection to and/or control of wellhead trees 5 2004
* 2005/0178,556 Subsea hydrocarbon production system 13 2004
* Cited By Examiner