Inventor · disambiguated record
Thomas D. Macdougall
Also filed as: MACDOUGALL THOMAS · MACDOUGALL THOMAS D · MACDOUGALL THOMAS DANIEL
23 granted patents·4 pending applications·991 citations·filing 1996–2020
97Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP20GAS RES INST3MEYYAPPAN RAMASWAMY1PATEL DINESH R1SCHLUMBEGER TECHNOLOGY CORP1
Top patents by PatentIndex Score
27 records- 0196US9650851B2Autonomous untethered well objectSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 16, 2017·30 cites·6 claims
- 0296US8499843B2System and method to seal using a swellable materialPATEL DINESH R·Filed 2010·Granted Aug 6, 2013·34 cites·8 claims
- 0396US7665537B2System and method to seal using a swellable materialSCHLUMBEGER TECHNOLOGY CORP·Filed 2005·Granted Feb 23, 2010·159 cites·24 claims
- 0496US7537056B2System and method for gas shut off in a subterranean wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted May 26, 2009·82 cites·19 claims
- 0592US7673678B2Flow control device with a permeable membraneSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 9, 2010·73 cites·22 claims
- 0692US5779085AExpandable pin plug for automated useGAS RES INST·Filed 1997·Granted Jul 14, 1998·88 cites·19 claims
- 0791US7581440B2Apparatus and methods to perform downhole measurements associated with subterranean formation evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Sep 1, 2009·29 cites·21 claims
- 0891US6766854B2Well-bore sensor apparatus and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jul 27, 2004·107 cites·78 claims
- 0988US5692565AApparatus and method for sampling an earth formation through a cased boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Dec 2, 1997·138 cites·28 claims
- 1086US7360600B2Subsurface safety valves and methods of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Apr 22, 2008·31 cites·23 claims
- 1185US11066903B2Apparatus and methods for well interventionSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Jul 20, 2021·2 cites·14 claims
- 1285US10544657B2Apparatus and methods for well interventionSCHLUMBERGER TECH CORPROATION·Filed 2016·Granted Jan 28, 2020·5 cites·15 claims
- 1385US7635029B2Downhole electrical-to-hydraulic conversion module for well completionsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Dec 22, 2009·29 cites·21 claims
- 1482US7455114B2Snorkel device for flow controlSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Nov 25, 2008·22 cites·17 claims
- 1581US7543640B2System and method for controlling undesirable fluid incursion during hydrocarbon productionSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jun 9, 2009·20 cites·22 claims
- 1679US7464761B2Flow control system for use in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Dec 16, 2008·19 cites·22 claims
- 1778US7779684B2Apparatus and methods to perform downhole measurements associated with subterranean formation evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Aug 24, 2010·12 cites·6 claims
- 1870US9464489B2Method and apparatus for pipe-conveyed well loggingSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Oct 11, 2016·3 cites·7 claims
- 1970US5687806AMethod and apparatus for drilling with a flexible shaft while using hydraulic assistanceGAS RES INST·Filed 1996·Granted Nov 18, 1997·67 cites·18 claims
- 2055US5746279AMethod and apparatus for changing bits while drilling with a flexible shaftGAS RES INST·Filed 1996·Granted May 5, 1998·37 cites·21 claims
- 2150US9187957B2Method for motion compensation using wired drill pipeSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Nov 17, 2015·0 cites·9 claims
- 2249US8403066B2Control line hybrid junction assemblyMEYYAPPAN RAMASWAMY·Filed 2010·Granted Mar 26, 2013·1 cites·20 claims
- 2342US2009166045A1Harvesting vibration for downhole power generationSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 2441US7219728B2Method and apparatus for generating downhole powerSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted May 22, 2007·3 cites·23 claims
- 2539US2008308274A1Lower Completion ModuleSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 2639US2009033176A1System and method for long term power in well applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 2736US2006086498A1Harvesting Vibration for Downhole Power GenerationSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →