Inventor · disambiguated record
Geoffrey C. Downton
Also filed as: DOWNTON GEOFFREY · DOWNTON GEOFFREY C · DOWNTON GEOFFREY CHARLES
56 granted patents·6 pending applications·524 citations·filing 1979–2025
98Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP31DOWNTON GEOFFREY C9NOVATEK IP LLC4SMITH INTERNATIONAL4JOHNSON ASHLEY3
Top patents by PatentIndex Score
62 records- 0197US8672056B2System and method for controlling steering in a rotary steerable systemCLARK BRIAN·Filed 2010·Granted Mar 18, 2014·41 cites·20 claims
- 0296US7913773B2Bidirectional drill string telemetry for measuring and drilling controlSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 29, 2011·85 cites·25 claims
- 0393US11118408B2Downhole steering system and methodsNOVATEK IP LLC·Filed 2018·Granted Sep 14, 2021·13 cites·18 claims
- 0492US9366087B2High dogleg steerable toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jun 14, 2016·16 cites·8 claims
- 0592US8708064B2System and method to control steering and additional functionality in a rotary steerable systemDOWNTON GEOFFREY C·Filed 2010·Granted Apr 29, 2014·19 cites·20 claims
- 0692US8376067B2System and method employing a rotational valve to control steering in a rotary steerable systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2010·Granted Feb 19, 2013·17 cites·20 claims
- 0791US9482223B2Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumpsJARVIS BRIAN P·Filed 2012·Granted Nov 1, 2016·8 cites·14 claims
- 0889US10837234B2Unidirectionally extendable cutting element steeringNOVATEK IP LLC·Filed 2018·Granted Nov 17, 2020·5 cites·18 claims
- 0989US10731420B2Indexing drill bitSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Aug 4, 2020·7 cites·19 claims
- 1088US9605480B2Directional drilling control devices and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 28, 2017·11 cites·20 claims
- 1187US9695638B2Positive displacement motor with radially constrained rotor catchSMITH INTERNATIONAL·Filed 2012·Granted Jul 4, 2017·5 cites·26 claims
- 1287US8746368B2Compliantly coupled gauge pad systemJOHNSON ASHLEY BERNARD·Filed 2011·Granted Jun 10, 2014·12 cites·14 claims
- 1387US8469104B2Valves, bottom hole assemblies, and method of selectively actuating a motorDOWNTON GEOFFREY C·Filed 2009·Granted Jun 25, 2013·29 cites·18 claims
- 1486US10669786B2Two-part bit wiring assemblyNOVATEK IP LLC·Filed 2018·Granted Jun 2, 2020·4 cites·20 claims
- 1586US10302083B2Motor control systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 28, 2019·9 cites·24 claims
- 1686US9631432B2Mud actuated drilling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Apr 25, 2017·9 cites·18 claims
- 1785US8775145B2System and apparatus for modeling the behavior of a drilling assemblyDOWNTON GEOFFREY C·Filed 2012·Granted Jul 8, 2014·9 cites·31 claims
- 1885US7845430B2Compliantly coupled cutting systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Dec 7, 2010·23 cites·25 claims
- 1984US9416594B2System and method for drilling a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 16, 2016·8 cites·28 claims
- 2084US8590638B2Intelligent wellbore propagation systemDOWNTON GEOFFREY C·Filed 2010·Granted Nov 26, 2013·9 cites·15 claims
- 2183US12404762B2Drilling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Sep 2, 2025·2 cites·16 claims
- 2283US9982485B2Positive displacement motor with radially constrained rotor catchSMITH INTERNATIONAL·Filed 2016·Granted May 29, 2018·3 cites·26 claims
- 2383US8763725B2Rotary steerable drilling systemDOWNTON GEOFFREY C·Filed 2008·Granted Jul 1, 2014·24 cites·11 claims
- 2483US7971661B2Motor bit systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jul 5, 2011·19 cites·30 claims
- 2582US9057223B2Directional drilling systemPERRIN CEDRIC·Filed 2012·Granted Jun 16, 2015·13 cites·22 claims
- 2680US8905159B2Eccentric steering device and methods of directional drillingDOWNTON GEOFFREY C·Filed 2009·Granted Dec 9, 2014·16 cites·16 claims
- 2780US8757294B2System 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
- 2880US8727036B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted May 20, 2014·17 cites·21 claims
- 2980US7849939B2Drill bitSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Dec 14, 2010·20 cites·19 claims
- 3079US2025347212A1Drilling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 3178US10612542B2Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumpsSMITH INTERNATIONAL·Filed 2016·Granted Apr 7, 2020·1 cites·18 claims
- 3271US8899352B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted Dec 2, 2014·10 cites·23 claims
- 3369US10920536B2Methods and systems for designing drilling systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Feb 16, 2021·2 cites·18 claims
- 3467US10605005B2Steerable drill bit systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Mar 31, 2020·1 cites·7 claims
- 3567US8720608B2Wellbore instruments using magnetic motion convertersDOWNTON GEOFFREY C·Filed 2009·Granted May 13, 2014·10 cites·17 claims
- 3665US11788359B2Downhole steering system and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Oct 17, 2023·0 cites·19 claims
- 3764US11879334B2Rotary steerable system with cuttersSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Jan 23, 2024·0 cites·22 claims
- 3864US11142955B2Steerable drill bit systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Oct 12, 2021·0 cites·20 claims
- 3964US8235146B2Actuators, actuatable joints, and methods of directional drillingHAUGVALDSTAD KJELL·Filed 2009·Granted Aug 7, 2012·8 cites·12 claims
- 4063US9303457B2Directional drilling using magnetic biasingPABON JAHIR·Filed 2012·Granted Apr 5, 2016·2 cites·35 claims
- 4159US12297737B1Bottom hole assembly having three-point contact for improved steeringSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted May 13, 2025·0 cites·18 claims
- 4258US12152587B2Mud motor or progressive cavity pump with varying pitch and taperSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Nov 26, 2024·0 cites·10 claims
- 4358US10407987B2Progressive cavity based control systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 10, 2019·0 cites·21 claims
- 4457US11286718B2Rotary steerable system with cuttersSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Mar 29, 2022·0 cites·19 claims
- 4556US11125020B2Downhole drilling apparatus with drilling, steering, and reaming functions and methods of useNOVATEK IP LLC·Filed 2019·Granted Sep 21, 2021·0 cites·19 claims
- 4655US12312953B2Steering actuation methodology for a rotary steerable systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted May 27, 2025·0 cites·15 claims
- 4755US9752386B2Steerable drilling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Sep 5, 2017·0 cites·22 claims
- 4855US8235145B2Gauge pads, cutters, rotary components, and methods for directional drillingHAUGVALDSTAD KJELL·Filed 2009·Granted Aug 7, 2012·4 cites·22 claims
- 4954US12385386B1Systems and methods for analyzing tortuosity in underground wellboresSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Aug 12, 2025·0 cites·19 claims
- 5051US2014131099A1System And Method For Managing And/Or Using Data For Tools In A WellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →