Inventor · disambiguated record
Michael Charles Sheppard
Also filed as: SHEPPARD MICHAEL · SHEPPARD MICHAEL C · SHEPPARD MICHAEL CHARLES
21 granted patents·720 citations·filing 1986–2011
96Inventor score
Technology areasE21B
Files withSCHLUMBERGER TECHNOLOGY CORP7ANADRILL INC3JOHNSON ASHLEY3JOHNSON ASHLEY BERNARD3SHEPPARD MICHAEL CHARLES3
Top patents by PatentIndex Score
21 records- 0194US6405798B1Downhole tool and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Jun 18, 2002·158 cites·39 claims
- 0287US8763726B2Drill bit gauge pad controlJOHNSON ASHLEY BERNARD·Filed 2008·Granted Jul 1, 2014·32 cites·6 claims
- 0386US6845819B2Down hole tool and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jan 25, 2005·61 cites·24 claims
- 0486US4760735AMethod and apparatus for investigating drag and torque loss in the drilling processANADRILL INC·Filed 1986·Granted Aug 2, 1988·84 cites·15 claims
- 0583US8534380B2System and method for directional drilling a borehole with a rotary drilling systemSHEPPARD MICHAEL CHARLES·Filed 2008·Granted Sep 17, 2013·22 cites·16 claims
- 0682US6446718B1Down hole tool and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Sep 10, 2002·70 cites·58 claims
- 0780US8757294B2System and method for controlling a drilling system for drilling a borehole in an earth formationJOHNSON ASHLEY·Filed 2007·Granted Jun 24, 2014·21 cites·32 claims
- 0880US8727036B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted May 20, 2014·17 cites·21 claims
- 0979US4941951AMethod for improving a drilling process by characterizing the hydraulics of the drilling systemANADRILL INC·Filed 1989·Granted Jul 17, 1990·71 cites·13 claims
- 1077US6971265B1Downhole sensing apparatus with separable elementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Dec 6, 2005·49 cites·17 claims
- 1175US4773263AMethod of analyzing vibrations from a drilling bit in a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1986·Granted Sep 27, 1988·49 cites·14 claims
- 1271US8899352B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted Dec 2, 2014·10 cites·23 claims
- 1371US8066085B2Stochastic bit noise controlJOHNSON ASHLEY BERNARD·Filed 2008·Granted Nov 29, 2011·10 cites·10 claims
- 1465US8550185B2Stochastic bit noiseJOHNSON ASHLEY BERNARD·Filed 2011·Granted Oct 8, 2013·2 cites·17 claims
- 1564US8720605B2System for directionally drilling a borehole with a rotary drilling systemSHEPPARD MICHAEL CHARLES·Filed 2011·Granted May 13, 2014·2 cites·11 claims
- 1662US8245775B2Wellbore consolidating tool for rotary drilling applicationCOOPER IAIN·Filed 2010·Granted Aug 21, 2012·2 cites·12 claims
- 1756US7493948B2Wellbore consolidating tool for rotary drilling applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Feb 24, 2009·13 cites·16 claims
- 1855US4715452AMethod of drilling a directonal well borePRAD RES & DEV NV·Filed 1986·Granted Dec 29, 1987·25 cites·3 claims
- 1953US7810559B2Wellbore consolidating tool for rotary drilling applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Oct 12, 2010·2 cites·22 claims
- 2051US8720604B2Method and system for steering a directional drilling systemSHEPPARD MICHAEL CHARLES·Filed 2008·Granted May 13, 2014·3 cites·18 claims
- 2145US4981036AMethod of determining the porosity of an underground formation being drilledANADRILL INC·Filed 1989·Granted Jan 1, 1991·17 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Michael Charles Sheppard files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →