Inventor · disambiguated record
Robert S. O'Brien
Also filed as: O'BRIEN ROBERT · O'BRIEN ROBERT S
57 granted patents·6 pending applications·465 citations·filing 2000–2020
98Inventor score
Files withBAKER HUGHES INC21O'BRIEN ROBERT S9ALLEN JASON A6OBRIEN ROBERT S4BAKER HUGHES A GE CO LLC3
Top patents by PatentIndex Score
63 records- 0197US8291982B2Multi-position valve for fracturing and sand control and associated completion methodsMURRAY DOUGLAS J·Filed 2011·Granted Oct 23, 2012·31 cites·6 claims
- 0294US7644854B1Bead pack brazing with energeticsBAKER HUGHES INC·Filed 2008·Granted Jan 12, 2010·59 cites·20 claims
- 0393US8171994B2Multi-position valve for fracturing and sand control and associated completion methodsMURRAY DOUGLAS J·Filed 2011·Granted May 8, 2012·16 cites·21 claims
- 0491US7891434B2Packer setting device for high hydrostatic applicationsBAKER HUGHES INC·Filed 2010·Granted Feb 22, 2011·14 cites·19 claims
- 0591US7585002B2Expandable tubular connectionBAKER HUGHES INC·Filed 2005·Granted Sep 8, 2009·31 cites·21 claims
- 0690US9879501B2Multizone retrieval system and methodHAMMER AARON C·Filed 2014·Granted Jan 30, 2018·15 cites·19 claims
- 0790US9334702B2Selectively disengagable sealing systemALLEN JASON A·Filed 2011·Granted May 10, 2016·12 cites·15 claims
- 0889US7708060B2One trip cemented expandable monobore liner system and methodBAKER HUGHES INC·Filed 2006·Granted May 4, 2010·16 cites·4 claims
- 0988US10253594B2Interventionless pressure operated sliding sleeveBAKER HUGHES A GE CO LLC·Filed 2016·Granted Apr 9, 2019·6 cites·24 claims
- 1087US7971646B2Multi-position valve for fracturing and sand control and associated completion methodsBAKER HUGHES INC·Filed 2007·Granted Jul 5, 2011·22 cites·15 claims
- 1186US7552768B2Swelling packer element with enhanced sealing forceBAKER HUGHES INC·Filed 2006·Granted Jun 30, 2009·27 cites·20 claims
- 1285US6371208B1Variable downhole chokeBAKER HUGHES INC·Filed 2000·Granted Apr 16, 2002·75 cites·24 claims
- 1382US7757758B2Expandable wellbore linerBAKER HUGHES INC·Filed 2006·Granted Jul 20, 2010·21 cites·21 claims
- 1481US7681652B2Packer setting device for high-hydrostatic applicationsBAKER HUGHES INC·Filed 2007·Granted Mar 23, 2010·18 cites·19 claims
- 1578US7380604B2One trip cemented expandable monobore liner system and methodBAKER HUGHES INC·Filed 2006·Granted Jun 3, 2008·15 cites·6 claims
- 1676US10865639B1Downhole acoustic transducer delivery systemBISHOP DAVID·Filed 2019·Granted Dec 15, 2020·2 cites·19 claims
- 1776US7987905B2One trip cemented expandable monobore liner system and methodBAKER HUGHES INC·Filed 2010·Granted Aug 2, 2011·4 cites·6 claims
- 1875US7370699B2One trip cemented expandable monobore liner system and methodBAKER HUGHES INC·Filed 2006·Granted May 13, 2008·13 cites·6 claims
- 1970US10378311B2Hydraulically opened and ball on seat closed sliding sleeve assemblyBAKER HUGHES A GE CO LLC·Filed 2017·Granted Aug 13, 2019·2 cites·14 claims
- 2070US7458422B2One trip cemented expandable monobore liner system and methodBAKER HUGHES INC·Filed 2006·Granted Dec 2, 2008·11 cites·9 claims
- 2169US8186427B2One trip cemented expandable monobore liner system and methodADAM MARK K·Filed 2010·Granted May 29, 2012·2 cites·5 claims
- 2267US8201623B2Reduced wear position indicating subterranean toolO'BRIEN ROBERT S·Filed 2009·Granted Jun 19, 2012·9 cites·24 claims
- 2365US9410413B2Well system with annular space around casing for a treatment operationO'BRIEN ROBERT S·Filed 2013·Granted Aug 9, 2016·2 cites·15 claims
- 2465US9316074B2Resettable selective locking deviceBAKER HUGHES INC·Filed 2012·Granted Apr 19, 2016·2 cites·18 claims
- 2564US10214993B2Straddle frac tool with pump through feature apparatus and methodBAKER HUGHES A GE CO LLC·Filed 2016·Granted Feb 26, 2019·1 cites·21 claims
- 2662US9303475B2Tool with multisize segmented ring seatHART DANIEL R·Filed 2012·Granted Apr 5, 2016·2 cites·14 claims
- 2761US9574408B2Wellbore strings containing expansion toolsCOCHRAN TRAVIS E·Filed 2014·Granted Feb 21, 2017·2 cites·17 claims
- 2861US7367390B2Slip energized by longitudinal shrinkageBAKER HUGHES INC·Filed 2006·Granted May 6, 2008·5 cites·6 claims
- 2959US9957786B2Multi-zone completion assembly installation and testingALLEN JASON A·Filed 2014·Granted May 1, 2018·1 cites·22 claims
- 3057US9995130B2Completion system and method for completing a wellboreOBRIEN ROBERT S·Filed 2013·Granted Jun 12, 2018·1 cites·21 claims
- 3157US8104505B2Two-way actuator and methodO'BRIEN ROBERT S·Filed 2009·Granted Jan 31, 2012·2 cites·18 claims
- 3256US7096938B2Slip energized by longitudinal shrinkageBAKER HUGHES INC·Filed 2003·Granted Aug 29, 2006·14 cites·14 claims
- 3355US10563765B2Selectively disengagable sealing systemBISHOP DAVID S·Filed 2016·Granted Feb 18, 2020·0 cites·6 claims
- 3455US10088047B2Selectively disengagable sealing systemALLEN JASON A·Filed 2016·Granted Oct 2, 2018·0 cites·10 claims
- 3554US11215036B2Completion systems with a bi-directional telemetry systemHAMMER AARON C·Filed 2016·Granted Jan 4, 2022·0 cites·17 claims
- 3653US8365374B2Elastomeric element installation tool and methodBAKER HUGHES INC·Filed 2008·Granted Feb 5, 2013·0 cites·18 claims
- 3752US10036237B2Mechanically-set devices placed on outside of tubulars in wellboresOBRIEN ROBERT S·Filed 2014·Granted Jul 31, 2018·1 cites·18 claims
- 3851US9416653B2Completion systems with a bi-directional telemetry systemHAMMER AARON C·Filed 2013·Granted Aug 16, 2016·0 cites·22 claims
- 3950US8393396B2Subterranean valve operated by string relative movementO'BRIEN ROBERT S·Filed 2009·Granted Mar 12, 2013·2 cites·17 claims
- 4049US9650846B2Completion systems including reduced stress expandable control linesO'BRIEN ROBERT S·Filed 2013·Granted May 16, 2017·0 cites·16 claims
- 4148US10344553B2Wellbore completion apparatus and methods utilizing expandable inverted sealsALLEN JASON A·Filed 2016·Granted Jul 9, 2019·0 cites·20 claims
- 4247US11352845B2Actuation triggerOBRIEN ROBERT·Filed 2019·Granted Jun 7, 2022·0 cites·21 claims
- 4347US9926772B2Apparatus and methods for selectively treating production zonesALLEN JASON A·Filed 2014·Granted Mar 27, 2018·0 cites·22 claims
- 4447US9828837B2Flow control devices including a sand screen having integral standoffs and methods of using the sameO'BRIEN ROBERT S·Filed 2013·Granted Nov 28, 2017·0 cites·2 claims
- 4546US10233733B2Crossover tool, method of making a crossover tool and two parts of a two-part crossover toolSMITH JAMES A·Filed 2014·Granted Mar 19, 2019·0 cites·16 claims
- 4646US7255176B2Method for reducing diameter reduction near ends of expanded tubularsBAKER HUGHES INC·Filed 2003·Granted Aug 14, 2007·9 cites·26 claims
- 4745US10465461B2Apparatus and methods setting a string at particular locations in a wellbore for performing a wellbore operationOBRIEN ROBERT S·Filed 2014·Granted Nov 5, 2019·0 cites·10 claims
- 4845US8251146B2Frac sleeve system and methodO'BRIEN ROBERT S·Filed 2009·Granted Aug 28, 2012·0 cites·20 claims
- 4945US8022602B2Piezoelectric resonant power generatorBAKER HUGHES INC·Filed 2009·Granted Sep 20, 2011·0 cites·5 claims
- 5045US2016047174A1Downhole clamp systemO'BRIEN ROBERT S·Filed 2014·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Robert S. O'Brien 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 →