Inventor · disambiguated record
Graham A. Mcelhinney
Also filed as: MCELHINNEY GRAHAM · MCELHINNEY GRAHAM A · MCELHINNEY GRAHAM ARTHUR
21 granted patents·4 pending applications·447 citations·filing 1995–2014
96Inventor score
Files withSMITH INTERNATIONAL10MCELHINNEY GRAHAM A5PATHFINDER ENERGY SERVICES INC5HALLIBURTON ENERGY SERV INC2DUCK JR CHARLES HENRY1
Top patents by PatentIndex Score
25 records- 0189US7656161B2Magnetization of target well casing strings tubulars for enhanced passive rangingSMITH INTERNATIONAL·Filed 2005·Granted Feb 2, 2010·29 cites·37 claims
- 0286US7617049B2Distance determination from a magnetically patterned target wellSMITH INTERNATIONAL·Filed 2007·Granted Nov 10, 2009·25 cites·24 claims
- 0386US6985814B2Well twinning techniques in borehole surveyingPATHFINDER ENERGY SERVICES INC·Filed 2003·Granted Jan 10, 2006·62 cites·64 claims
- 0486US6882937B2Downhole referencing techniques in borehole surveyingPATHFINDER ENERGY SERVICES INC·Filed 2003·Granted Apr 19, 2005·62 cites·30 claims
- 0584US7816923B2Enhanced passive ranging methodology for well twinningSMITH INTERNATIONAL·Filed 2010·Granted Oct 19, 2010·7 cites·20 claims
- 0683US5675488ALocation determination using vector measurementsHALLIBURTON ENERGY SERV INC·Filed 1995·Granted Oct 7, 1997·86 cites·15 claims
- 0779US8026722B2Method of magnetizing casing string tubulars for enhanced passive rangingSMITH INTERNATIONAL·Filed 2009·Granted Sep 27, 2011·17 cites·18 claims
- 0877US7002484B2Supplemental referencing techniques in borehole surveyingPATHFINDER ENERGY SERVICES INC·Filed 2003·Granted Feb 21, 2006·39 cites·48 claims
- 0976US7538650B2Apparatus and method for magnetizing casing string tubularsSMITH INTERNATIONAL·Filed 2006·Granted May 26, 2009·7 cites·12 claims
- 1073US7679480B2Method for magnetizing casing string tubularsSMITH INTERNATIONAL·Filed 2009·Granted Mar 16, 2010·5 cites·20 claims
- 1171US8570834B2Method of acoustic rangingMCELHINNEY GRAHAM A·Filed 2010·Granted Oct 29, 2013·4 cites·19 claims
- 1270US7712519B2Transverse magnetization of casing string tubularsSMITH INTERNATIONAL·Filed 2006·Granted May 11, 2010·5 cites·15 claims
- 1368US6937023B2Passive ranging techniques in borehole surveyingPATHFINDER ENERGY SERVICES INC·Filed 2003·Granted Aug 30, 2005·28 cites·47 claims
- 1468US6480119B1Surveying a subterranean borehole using accelerometersHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Nov 12, 2002·52 cites·17 claims
- 1567US8947094B2At-bit magnetic ranging and surveyingMCELHINNEY GRAHAM A·Filed 2012·Granted Feb 3, 2015·3 cites·11 claims
- 1664US7260479B2Method for locating casing joints using measurement while drilling toolPATHFINDER ENERGY SERVICES INC·Filed 2006·Granted Aug 21, 2007·8 cites·26 claims
- 1763US7816922B2Magnetization of target well casing string tubulars for enhanced passive rangingSMITH INTERNATIONAL·Filed 2009·Granted Oct 19, 2010·5 cites·20 claims
- 1862US9297249B2Method for improving wellbore survey accuracy and placementMCELHINNEY GRAHAM A·Filed 2012·Granted Mar 29, 2016·3 cites·8 claims
- 1951US7679481B2Magnetized casing string tubularsSMITH INTERNATIONAL·Filed 2009·Granted Mar 16, 2010·0 cites·6 claims
- 2045US2014374159A1Positioning techniques in multi-well environmentsGYRODATA INC·Filed 2014·Application pending·0 cites
- 2144US2016245072A1Magnetic Gradient and Curvature Based Ranging MethodSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
- 2238US9238959B2Methods for improved active ranging and target well magnetizationMCELHINNEY GRAHAM A·Filed 2010·Granted Jan 19, 2016·0 cites·11 claims
- 2338US2012139530A1Electromagnetic array for subterranean magnetic ranging operationsMCELHINNEY GRAHAM A·Filed 2010·Application pending·0 cites
- 2437US2010241410A1Relative and Absolute Error Models for Subterranean WellsSMITH INTERNATIONAL·Filed 2010·Application pending·0 cites
- 2523US9540880B2Magnetic latching device for downhole wellbore intercept operationsDUCK JR CHARLES HENRY·Filed 2011·Granted Jan 10, 2017·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →