Assignee
WOOD GROUP ESP INC
US·36 granted patents·1 pending application·1,086 citations·filing 1999–2007
Top patents by PatentIndex Score
37 records- 0197US7461692B1Multi-stage gas separatorWOOD GROUP ESP INC·Filed 2006·Granted Dec 9, 2008·81 cites·13 claims
- 0293US7208855B1Fiber-optic cable as integral part of a submersible motor systemWOOD GROUP ESP INC·Filed 2004·Granted Apr 24, 2007·87 cites·3 claims
- 0393US6602059B1Electric submersible pump assembly with tube seal sectionWOOD GROUP ESP INC·Filed 2001·Granted Aug 5, 2003·85 cites·13 claims
- 0490US6461115B1Suction chamber for a horizontal pumping systemWOOD GROUP ESP INC·Filed 2000·Granted Oct 8, 2002·39 cites·20 claims
- 0588US7841826B1Slag reduction pumpWOOD GROUP ESP INC·Filed 2007·Granted Nov 30, 2010·46 cites·5 claims
- 0688US7344356B1Mechanical seal with bellows seating alignmentWOOD GROUP ESP INC·Filed 2005·Granted Mar 18, 2008·20 cites·6 claims
- 0788US6837621B1Rotor bearing for increased lubricant flowWOOD GROUP ESP INC·Filed 2003·Granted Jan 4, 2005·28 cites·15 claims
- 0887US7066248B2Bottom discharge seal sectionWOOD GROUP ESP INC·Filed 2003·Granted Jun 27, 2006·41 cites·9 claims
- 0987US6450782B1Pump-motor assembly having a motor mountWOOD GROUP ESP INC·Filed 2000·Granted Sep 17, 2002·67 cites·8 claims
- 1085US6595295B1Electric submersible pump assemblyWOOD GROUP ESP INC·Filed 2001·Granted Jul 22, 2003·77 cites·17 claims
- 1182US7462225B1Gas separator agitator assemblyWOOD GROUP ESP INC·Filed 2005·Granted Dec 9, 2008·31 cites·20 claims
- 1279US6561775B1In situ separable electric submersible pump assembly with latch deviceWOOD GROUP ESP INC·Filed 2001·Granted May 13, 2003·23 cites·18 claims
- 1378US6547003B1Downhole rotary water separation systemWOOD GROUP ESP INC·Filed 2000·Granted Apr 15, 2003·62 cites·21 claims
- 1475US6468058B1Submersible concatenated systemWOOD GROUP ESP INC·Filed 2000·Granted Oct 22, 2002·19 cites·14 claims
- 1574US6666269B1Method and apparatus for producing fluid from a well and for limiting accumulation of sediments in the wellWOOD GROUP ESP INC·Filed 2002·Granted Dec 23, 2003·18 cites·26 claims
- 1673US6457522B1Clean water injection systemWOOD GROUP ESP INC·Filed 2000·Granted Oct 1, 2002·52 cites·10 claims
- 1771US7624795B1Bottom mount auxiliary pumping system seal sectionWOOD GROUP ESP INC·Filed 2006·Granted Dec 1, 2009·6 cites·11 claims
- 1871US7367400B1Motor protector and method for chemical protection of sameWOOD GROUP ESP INC·Filed 2004·Granted May 6, 2008·18 cites·34 claims
- 1971US7343967B1Well fluid homogenization deviceWOOD GROUP ESP INC·Filed 2005·Granted Mar 18, 2008·15 cites·6 claims
- 2065US6598681B1Dual gearbox electric submersible pump assemblyWOOD GROUP ESP INC·Filed 2001·Granted Jul 29, 2003·29 cites·21 claims
- 2163US7370697B1Thrust section wear preventorWOOD GROUP ESP INC·Filed 2004·Granted May 13, 2008·13 cites·13 claims
- 2263US7236910B1Equipment identification, tracking and failure analysis processWOOD GROUP ESP INC·Filed 2005·Granted Jun 26, 2007·2 cites·5 claims
- 2363US6457531B1Water separation system with encapsulated electric submersible pumping deviceWOOD GROUP ESP INC·Filed 2000·Granted Oct 1, 2002·29 cites·19 claims
- 2461US6396415B1Method and system of communicating in a subterranean wellWOOD GROUP ESP INC·Filed 1999·Granted May 28, 2002·39 cites·4 claims
- 2560US6684956B1Method and apparatus for producing fluids from multiple formationsWOOD GROUP ESP INC·Filed 2001·Granted Feb 3, 2004·24 cites·26 claims
- 2658US6911752B1Concatenated motor assemblyWOOD GROUP ESP INC·Filed 2002·Granted Jun 28, 2005·8 cites·13 claims
- 2757US7357186B1Recirculation gas separatorWOOD GROUP ESP INC·Filed 2005·Granted Apr 15, 2008·5 cites·15 claims
- 2857US7191067B1System and method of selecting a motor for a wellboreWOOD GROUP ESP INC·Filed 2005·Granted Mar 13, 2007·5 cites·19 claims
- 2957US7086473B1Submersible pumping system with sealing deviceWOOD GROUP ESP INC·Filed 2002·Granted Aug 8, 2006·20 cites·20 claims
- 3055US7174957B1Magnetic bailerWOOD GROUP ESP INC·Filed 2004·Granted Feb 13, 2007·29 cites·7 claims
- 3151US7150600B1Downhole turbomachines for handling two-phase flowWOOD GROUP ESP INC·Filed 2003·Granted Dec 19, 2006·25 cites·9 claims
- 3251US7069985B2Leakage resistant shroud hangerWOOD GROUP ESP INC·Filed 2003·Granted Jul 4, 2006·13 cites·5 claims
- 3350US7296622B2Labyrinth seal for pumping systemWOOD GROUP ESP INC·Filed 2005·Granted Nov 20, 2007·2 cites·19 claims
- 3442US2006245957A1Encapsulated bottom intake pumping systemWOOD GROUP ESP INC·Filed 2005·Application pending·0 cites
- 3539US7048046B1High temperature mechanical sealWOOD GROUP ESP INC·Filed 2003·Granted May 23, 2006·4 cites·12 claims
- 3639US6225720B1Self-lubricating bearingWOOD GROUP ESP INC·Filed 1999·Granted May 1, 2001·17 cites·23 claims
- 3733US6814148B1Rotating jack plate assemblyWOOD GROUP ESP INC·Filed 2002·Granted Nov 9, 2004·7 cites·17 claims
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