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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →