Assignee
WEATHERFORD LAMB
US·1,048 granted patents·90 pending applications·49,501 citations·filing 1976–2015
Top patents by PatentIndex Score
1,138 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
- 0399US7779903B2Solid rubber packer for a rotating control deviceWEATHERFORD LAMB·Filed 2005·Granted Aug 24, 2010·52 cites·42 claims
- 0499US6837098B2Sand monitoring within wells using acoustic arraysWEATHERFORD LAMB·Filed 2003·Granted Jan 4, 2005·146 cites·44 claims
- 0599US6609069B2Method and apparatus for determining the flow velocity of a fluid within a pipeWEATHERFORD LAMB·Filed 2000·Granted Aug 19, 2003·172 cites·4 claims
- 0699US6543552B1Method and apparatus for drilling and lining a wellboreWEATHERFORD LAMB·Filed 1999·Granted Apr 8, 2003·356 cites·22 claims
- 0799US6527049B2Apparatus and method for isolating a section of tubingWEATHERFORD LAMB·Filed 1999·Granted Mar 4, 2003·245 cites·30 claims
- 0899US6457532B1Procedures and equipment for profiling and jointing of pipesWEATHERFORD LAMB·Filed 1999·Granted Oct 1, 2002·458 cites·59 claims
- 0999US6425444B1Method and apparatus for downhole sealingWEATHERFORD LAMB·Filed 1999·Granted Jul 30, 2002·364 cites·57 claims
- 1098US8776898B2Apparatus and methods for wedge lock preventionWEATHERFORD LAMB·Filed 2013·Granted Jul 15, 2014·29 cites·39 claims
- 1198US8708055B2Apparatus and methods for wedge lock preventionWEATHERFORD LAMB·Filed 2013·Granted Apr 29, 2014·29 cites·20 claims
- 1298US7926560B2Solid rubber packer for a rotating control deviceWEATHERFORD LAMB·Filed 2010·Granted Apr 19, 2011·24 cites·21 claims
- 1398US7264494B2Electrical connector and socket assembliesWEATHERFORD LAMB·Filed 2005·Granted Sep 4, 2007·99 cites·44 claims
- 1498US7258171B2Internal riser rotating control headWEATHERFORD LAMB·Filed 2005·Granted Aug 21, 2007·116 cites·177 claims
- 1598US7219744B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted May 22, 2007·67 cites·31 claims
- 1698US7188687B2Downhole filterWEATHERFORD LAMB·Filed 2004·Granted Mar 13, 2007·83 cites·41 claims
- 1798US7137454B2Apparatus for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted Nov 21, 2006·85 cites·32 claims
- 1898US7128161B2Apparatus and methods for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted Oct 31, 2006·79 cites·37 claims
- 1998US6862920B2Fluid parameter measurement in pipes using acoustic pressuresWEATHERFORD LAMB·Filed 2002·Granted Mar 8, 2005·122 cites·35 claims
- 2098US6742596B2Apparatus and methods for tubular makeup interlockWEATHERFORD LAMB·Filed 2001·Granted Jun 1, 2004·227 cites·33 claims
- 2198US6725938B1Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Apr 27, 2004·181 cites·32 claims
- 2298US6722443B1Connector for expandable well screenWEATHERFORD LAMB·Filed 1999·Granted Apr 20, 2004·128 cites·31 claims
- 2398US6702030B2Procedures and equipment for profiling and jointing of pipesWEATHERFORD LAMB·Filed 2002·Granted Mar 9, 2004·143 cites·29 claims
- 2498US6698297B2Venturi augmented flow meterWEATHERFORD LAMB·Filed 2002·Granted Mar 2, 2004·137 cites·71 claims
- 2598US6691584B2Flow rate measurement using unsteady pressuresWEATHERFORD LAMB·Filed 2002·Granted Feb 17, 2004·200 cites·180 claims
- 2698US6688398B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2003·Granted Feb 10, 2004·205 cites·21 claims
- 2798US6601458B1Distributed sound speed measurements for multiphase flow measurementWEATHERFORD LAMB·Filed 2000·Granted Aug 5, 2003·211 cites·34 claims
- 2898US6587798B2Method and system for determining the speed of sound in a fluid within a conduitWEATHERFORD LAMB·Filed 2001·Granted Jul 1, 2003·173 cites·4 claims
- 2998US6550342B2Circumferential strain attenuatorWEATHERFORD LAMB·Filed 2000·Granted Apr 22, 2003·165 cites·42 claims
- 3098US6527047B1Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Mar 4, 2003·217 cites·18 claims
- 3198US6463813B1Displacement based pressure sensor measuring unsteady pressure in a pipeWEATHERFORD LAMB·Filed 1999·Granted Oct 15, 2002·186 cites·18 claims
- 3298US6446323B1Profile formationWEATHERFORD LAMB·Filed 1999·Granted Sep 10, 2002·165 cites·10 claims
- 3398US6422084B1Bragg grating pressure sensorWEATHERFORD LAMB·Filed 1999·Granted Jul 23, 2002·177 cites·73 claims
- 3498US6325148B1Tools and methods for use with expandable tubularsWEATHERFORD LAMB·Filed 1999·Granted Dec 4, 2001·408 cites·22 claims
- 3597US7836946B2Rotating control head radial seal protection and leak detection systemsWEATHERFORD LAMB·Filed 2006·Granted Nov 23, 2010·66 cites·59 claims
- 3697US7646953B2Fiber optic cable systems and methods to prevent hydrogen ingressWEATHERFORD LAMB·Filed 2008·Granted Jan 12, 2010·65 cites·20 claims
- 3797US7353880B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2006·Granted Apr 8, 2008·54 cites·24 claims
- 3897US7281587B2Apparatus and methods for tubular makeup interlockWEATHERFORD LAMB·Filed 2006·Granted Oct 16, 2007·76 cites·81 claims
- 3997US7165622B2Packer with metal sealing elementWEATHERFORD LAMB·Filed 2005·Granted Jan 23, 2007·91 cites·23 claims
- 4097US7124831B2Resin impregnated continuous fiber plug with non-metallic element systemWEATHERFORD LAMB·Filed 2005·Granted Oct 24, 2006·93 cites·42 claims
- 4197US6898541B2Method and apparatus for determining component flow rates for a multiphase flowWEATHERFORD LAMB·Filed 2001·Granted May 24, 2005·113 cites·6 claims
- 4297US6868906B1Closed-loop conveyance systems for well servicingWEATHERFORD LAMB·Filed 2002·Granted Mar 22, 2005·191 cites·29 claims
- 4397US6840325B2Expandable connection for use with a swelling elastomerWEATHERFORD LAMB·Filed 2002·Granted Jan 11, 2005·96 cites·23 claims
- 4497US6820489B2Optical differential pressure sensorWEATHERFORD LAMB·Filed 2003·Granted Nov 23, 2004·68 cites·20 claims
- 4597US6813962B2Distributed sound speed measurements for multiphase flow measurementWEATHERFORD LAMB·Filed 2002·Granted Nov 9, 2004·160 cites·87 claims
- 4697US6785004B2Method and apparatus for interrogating fiber optic sensorsWEATHERFORD LAMB·Filed 2000·Granted Aug 31, 2004·110 cites·71 claims
- 4797US6712153B2Resin impregnated continuous fiber plug with non-metallic element systemWEATHERFORD LAMB·Filed 2001·Granted Mar 30, 2004·210 cites·58 claims
- 4897US6702029B2Tubing anchorWEATHERFORD LAMB·Filed 1999·Granted Mar 9, 2004·144 cites·57 claims
- 4997US6648075B2Method and apparatus for expandable liner hanger with bypassWEATHERFORD LAMB·Filed 2001·Granted Nov 18, 2003·221 cites·39 claims
- 5097US6622796B1Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Sep 23, 2003·158 cites·27 claims
Showing the top 50 of 1,138 patent records by PatentIndex Score.
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