Inventor · disambiguated record
James W. Estep
Also filed as: ESTEP JAMES · ESTEP JAMES W
19 granted patents·3 pending applications·1,009 citations·filing 1997–2011
96Inventor score
Files withHALLIBURTON ENERGY SERV INC16BIRCHAK JAMES R1HOOPER MICHAEL E1SMITH INTERNATIONAL1WESTERN WELL TOOL INC1
Top patents by PatentIndex Score
22 records- 0198US7172038B2Well systemHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Feb 6, 2007·223 cites·11 claims
- 0298US6923273B2Well systemHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Aug 2, 2005·170 cites·51 claims
- 0390US5857531ABottom hole assembly for directional drillingHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Jan 12, 1999·141 cites·19 claims
- 0486US6318470B1Recirculatable ball-drop release device for lateral oilwell drilling applicationsHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Nov 20, 2001·77 cites·25 claims
- 0582US6761574B1Coiled tubing connectorHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Jul 13, 2004·54 cites·26 claims
- 0681US7950914B2Braze or solder reinforced Moineau statorSMITH INTERNATIONAL·Filed 2007·Granted May 31, 2011·12 cites·14 claims
- 0781US6598687B2Three dimensional steerable systemHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jul 29, 2003·42 cites·43 claims
- 0879US6843332B2Three dimensional steerable system and method for steering bit to drill boreholeHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Jan 18, 2005·38 cites·8 claims
- 0975US7195083B2Three dimensional steering system and method for steering bit to drill boreholeHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Mar 27, 2007·30 cites·3 claims
- 1074US8333231B2Braze or solder reinforced moineu statorHOOPER MICHAEL E·Filed 2011·Granted Dec 18, 2012·6 cites·15 claims
- 1173US6712146B2Downhole assembly releasable connectionHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Mar 30, 2004·41 cites·17 claims
- 1267US7059881B2Spoolable composite coiled tubing connectorHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Jun 13, 2006·25 cites·19 claims
- 1367US6543532B2Electrical surface activated downhole circulating subHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Apr 8, 2003·26 cites·17 claims
- 1466US6607044B1Three dimensional steerable system and method for steering bit to drill boreholeHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Aug 19, 2003·35 cites·18 claims
- 1560US6840337B2Method and apparatus for removing cuttingsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Jan 11, 2005·23 cites·32 claims
- 1659US6367366B1Sensor assemblyWESTERN WELL TOOL INC·Filed 2000·Granted Apr 9, 2002·24 cites·21 claims
- 1754US6349763B1Electrical surface activated downhole circulating subHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Feb 26, 2002·26 cites·12 claims
- 1843US7416026B2Apparatus for changing flowbore fluid temperatureHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Aug 26, 2008·7 cites·19 claims
- 1943US7114582B2Method and apparatus for removing cuttings from a deviated wellboreHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Oct 3, 2006·9 cites·67 claims
- 2034US2003118230A1Coiled tubing inspection system using image pattern recognitionFiled 2001·Application pending·0 cites
- 2134US2007256828A1Method and apparatus for reducing a skin effect in a downhole environmentBIRCHAK JAMES R·Filed 2004·Application pending·0 cites
- 2231US2004040707A1Well treatment apparatus and methodFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →