Inventor · disambiguated record
Don M. Hannegan
Also filed as: HANNEGAN DON · HANNEGAN DON M
41 granted patents·2 pending applications·1,759 citations·filing 1997–2024
98Inventor score
Files withWEATHERFORD LAMB19WEATHERFORD TECH HOLDINGS LLC11PRUITT TOOL & SUPPLY CO3HANNEGAN DON M2WEATHERFORD TECHNOLOGY HOLDINGS LLC2
Top patents by PatentIndex Score
43 records- 0199US8347982B2System and method for managing heave pressure from a floating rigWEATHERFORD LAMB·Filed 2010·Granted Jan 8, 2013·83 cites·29 claims
- 0299US7926593B2Rotating control device docking stationWEATHERFORD LAMB·Filed 2008·Granted Apr 19, 2011·119 cites·41 claims
- 0398US7258171B2Internal riser rotating control headWEATHERFORD LAMB·Filed 2005·Granted Aug 21, 2007·116 cites·177 claims
- 0497US7836946B2Rotating control head radial seal protection and leak detection systemsWEATHERFORD LAMB·Filed 2006·Granted Nov 23, 2010·66 cites·59 claims
- 0596US9845653B2Fluid supply to sealed tubularsWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Dec 19, 2017·14 cites·23 claims
- 0696US9784073B2Rotating control device docking stationWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Oct 10, 2017·12 cites·29 claims
- 0796US7159669B2Internal riser rotating control headWEATHERFORD LAMB·Filed 2002·Granted Jan 9, 2007·169 cites·154 claims
- 0896US6470975B1Internal riser rotating control headWEATHERFORD LAMB·Filed 2000·Granted Oct 29, 2002·211 cites·36 claims
- 0995US8353337B2Method for cooling a rotating control headWEATHERFORD LAMB·Filed 2012·Granted Jan 15, 2013·16 cites·27 claims
- 1095US7997345B2Universal marine diverter converterWEATHERFORD LAMB·Filed 2007·Granted Aug 16, 2011·62 cites·28 claims
- 1194US9249646B2Managed pressure cementingWEATHERFORD LAMB·Filed 2012·Granted Feb 2, 2016·33 cites·25 claims
- 1294US6913092B2Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD LAMB·Filed 2001·Granted Jul 5, 2005·131 cites·34 claims
- 1393US8286734B2Low profile rotating control deviceHANNEGAN DON M·Filed 2007·Granted Oct 16, 2012·64 cites·53 claims
- 1492US8347983B2Drilling with a high pressure rotating control deviceWEATHERFORD LAMB·Filed 2009·Granted Jan 8, 2013·35 cites·39 claims
- 1592US6263982B1Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD HOLDING U S INC·Filed 1999·Granted Jul 24, 2001·169 cites·30 claims
- 1691US7237623B2Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riserWEATHERFORD LAMB·Filed 2003·Granted Jul 3, 2007·105 cites·52 claims
- 1790US8863858B2System and method for managing heave pressure from a floating rigWEATHERFORD LAMB·Filed 2013·Granted Oct 21, 2014·10 cites·37 claims
- 1889US8636087B2Rotating control system and method for providing a differential pressureWEATHERFORD LAMB·Filed 2013·Granted Jan 28, 2014·10 cites·28 claims
- 1988US10087701B2Low profile rotating control deviceWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Oct 2, 2018·10 cites·18 claims
- 2088US8844652B2Interlocking low profile rotating control deviceSOKOL JONATHAN P·Filed 2010·Granted Sep 30, 2014·15 cites·37 claims
- 2188US7040394B2Active/passive seal rotating control headWEATHERFORD LAMB·Filed 2002·Granted May 9, 2006·86 cites·49 claims
- 2286US10053943B2Annular sealing for use with a wellWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Aug 21, 2018·4 cites·33 claims
- 2386US8714240B2Method for cooling a rotating control deviceWEATHERFORD LAMB·Filed 2013·Granted May 6, 2014·6 cites·54 claims
- 2485US11976523B1System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operationsPRUITT TOOL & SUPPLY CO·Filed 2022·Granted May 7, 2024·1 cites·12 claims
- 2585US5901964ASeal for a longitudinally movable drillstring componentWILLIAMS JOHN R·Filed 1997·Granted May 11, 1999·107 cites·26 claims
- 2682US10267117B2Radial seal pressure reduction using internal pumpWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Apr 23, 2019·3 cites·12 claims
- 2782US9334711B2System and method for cooling a rotating control deviceWEATHERFORD TECHNOLOGY HOLDINGS LLC·Filed 2014·Granted May 10, 2016·5 cites·28 claims
- 2881US7448454B2Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD LAMB·Filed 2004·Granted Nov 11, 2008·50 cites·42 claims
- 2980US12435583B1System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operationsPRUITT TOOL & SUPPLY CO·Filed 2024·Granted Oct 7, 2025·0 cites·19 claims
- 3080US11193340B2Heave compensation system for assembling a drill stringWEATHERFORD TECH HOLDINGS LLC·Filed 2020·Granted Dec 7, 2021·1 cites·20 claims
- 3180US9416620B2Cement pulsation for subsea wellboreWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Aug 16, 2016·3 cites·26 claims
- 3279US9631442B2Heave compensation system for assembling a drill stringWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Apr 25, 2017·4 cites·19 claims
- 3377US9175542B2Lubricating seal for use with a tubularBAILEY THOMAS F·Filed 2010·Granted Nov 3, 2015·6 cites·56 claims
- 3477US8881843B2Managed pressure and/or temperature drilling system and methodTODD RICHARD J·Filed 2007·Granted Nov 11, 2014·21 cites·36 claims
- 3575US9822630B2Marine diverter system with real time kick or loss detectionWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Nov 21, 2017·2 cites·21 claims
- 3673US9951600B2Managed pressure cementingWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Apr 24, 2018·2 cites·20 claims
- 3773US9004181B2Low profile rotating control deviceHANNEGAN DON M·Filed 2012·Granted Apr 14, 2015·3 cites·22 claims
- 3871US11454073B1System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operationsPRUITT TOOL & SUPPLY CO·Filed 2019·Granted Sep 27, 2022·1 cites·4 claims
- 3971US10774599B2Heave compensation system for assembling a drill stringWEATHERFORD TECH HOLDINGS LLC·Filed 2017·Granted Sep 15, 2020·1 cites·13 claims
- 4070US9260927B2System and method for managing heave pressure from a floating rigWEATHERFORD TECHNOLOGY HOLDINGS LLC·Filed 2014·Granted Feb 16, 2016·2 cites·32 claims
- 4155US10227836B2System and method for managed pressure wellbore strengtheningWEATHERFORD LAMB INC·Filed 2014·Granted Mar 12, 2019·1 cites·40 claims
- 4250US2015211319A1Low profile rotating control deviceWEATHERFORD LAMB·Filed 2015·Application pending·0 cites
- 4348US2014027129A1Annular sealing in a rotating control deviceWEATHERFORD LAMB·Filed 2012·Application pending·0 cites
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