Assignee
BJ SERVICES CO USA
US·32 granted patents·1,553 citations·filing 1994–2010
Top patents by PatentIndex Score
32 records- 0196US7472750B2Single trip horizontal gravel pack and stimulation system and methodBJ SERVICES CO USA·Filed 2007·Granted Jan 6, 2009·80 cites·27 claims
- 0296US7210527B2Single trip horizontal gravel pack and stimulation system and methodBJ SERVICES CO USA·Filed 2006·Granted May 1, 2007·73 cites·27 claims
- 0396US6632779B1Wellbore treatment and completion fluids and methods of using the sameBJ SERVICES CO USA·Filed 2000·Granted Oct 14, 2003·113 cites·7 claims
- 0495US6810959B1Low residue well treatment fluids and methods of useBJ SERVICES CO USA·Filed 2002·Granted Nov 2, 2004·94 cites·23 claims
- 0594US6015015AInsulated and/or concentric coiled tubingBJ SERVICES CO USA·Filed 1995·Granted Jan 18, 2000·622 cites·71 claims
- 0693US5741758AMethod for controlling gas hydrates in fluid mixturesBJ SERVICES CO USA·Filed 1995·Granted Apr 21, 1998·101 cites·7 claims
- 0792US7770653B2Wellbore bypass method and apparatusBJ SERVICES CO USA·Filed 2006·Granted Aug 10, 2010·47 cites·23 claims
- 0891US7637326B2Downhole safety valve apparatus and methodBJ SERVICES CO USA·Filed 2005·Granted Dec 29, 2009·43 cites·49 claims
- 0990US7886830B2Downhole safety valve apparatus and methodBJ SERVICES CO USA·Filed 2009·Granted Feb 15, 2011·34 cites·22 claims
- 1090US7823648B2Downhole safety valve apparatus and methodBJ SERVICES CO USA·Filed 2005·Granted Nov 2, 2010·39 cites·53 claims
- 1188US7775776B2Method and apparatus to pump liquids from a wellBJ SERVICES CO USA·Filed 2006·Granted Aug 17, 2010·12 cites·7 claims
- 1285US7152678B2System and method for downhole operation using pressure activated valve and sliding sleeveBJ SERVICES CO USA·Filed 2004·Granted Dec 26, 2006·62 cites·46 claims
- 1382US7963334B2Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operationBJ SERVICES CO USA·Filed 2010·Granted Jun 21, 2011·7 cites·22 claims
- 1479US7793716B2Apparatus and methods for limiting debris flow back into an underground base pipe of an injection wellBJ SERVICES CO USA·Filed 2007·Granted Sep 14, 2010·19 cites·48 claims
- 1577US5484488AMethods for melting and dispersing paraffin wax in oil field production equipmentBJ SERVICES CO USA·Filed 1994·Granted Jan 16, 1996·31 cites·15 claims
- 1673US7913754B2Wellhead assembly and method for an injection tubing stringBJ SERVICES CO USA·Filed 2008·Granted Mar 29, 2011·13 cites·18 claims
- 1771US7124824B2Washpipeless isolation strings and methods for isolationBJ SERVICES CO USA·Filed 2003·Granted Oct 24, 2006·37 cites·27 claims
- 1870US7712537B2Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operationBJ SERVICES CO USA·Filed 2006·Granted May 11, 2010·10 cites·43 claims
- 1964US6138757AApparatus and method for downhole fluid phase separationBJ SERVICES CO USA·Filed 1998·Granted Oct 31, 2000·40 cites·40 claims
- 2062US7861786B2Method and apparatus for fluid bypass of a well toolBJ SERVICES CO USA·Filed 2005·Granted Jan 4, 2011·7 cites·31 claims
- 2162US7735557B2Wireline slip hanging bypass assembly and methodBJ SERVICES CO USA·Filed 2007·Granted Jun 15, 2010·8 cites·20 claims
- 2262US7665526B2System and method for downhole operation using pressure activated and sleeve valve assemblyBJ SERVICES CO USA·Filed 2006·Granted Feb 23, 2010·5 cites·17 claims
- 2360US7178595B2Apparatus and method for gravel packingBJ SERVICES CO USA·Filed 2005·Granted Feb 20, 2007·5 cites·11 claims
- 2458US7934550B2Wellhead assembly and method for an injection tubing stringBJ SERVICES CO USA·Filed 2008·Granted May 3, 2011·7 cites·15 claims
- 2557US7913769B2Downhole safety valve apparatus and methodBJ SERVICES CO USA·Filed 2005·Granted Mar 29, 2011·4 cites·39 claims
- 2657US7721805B2Method and apparatus to hydraulically bypass a well toolBJ SERVICES CO USA·Filed 2006·Granted May 25, 2010·5 cites·25 claims
- 2755US7377320B2Apparatus and method for gravel packingBJ SERVICES CO USA·Filed 2007·Granted May 27, 2008·3 cites·11 claims
- 2854US7325600B2Coil tubing hanger and method of using sameBJ SERVICES CO USA·Filed 2005·Granted Feb 5, 2008·11 cites·17 claims
- 2949USRE40648ESystem and method for downhole operation using pressure activated valve and sliding sleeveBJ SERVICES CO USA·Filed 2007·Granted Mar 10, 2009·2 cites·46 claims
- 3047US7617878B2Method and apparatus to complete a well having tubing inserted through a valveBJ SERVICES CO USA·Filed 2007·Granted Nov 17, 2009·1 cites·38 claims
- 3143US7810575B2Isolation system comprising a plug and a circulation valve and method of useBJ SERVICES CO USA·Filed 2007·Granted Oct 12, 2010·0 cites·19 claims
- 3241US5641019ASwab-resistant subterranean well packerBJ SERVICES CO USA·Filed 1995·Granted Jun 24, 1997·18 cites·10 claims
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