Assignee
TESCO CORP
CA·96 granted patents·14 pending applications·2,353 citations·filing 1996–2017
Top patents by PatentIndex Score
110 records- 0194US7909109B2Anchoring device for a wellbore toolTESCO CORP·Filed 2007·Granted Mar 22, 2011·45 cites·15 claims
- 0293US6311792B1Casing clampTESCO CORP·Filed 1999·Granted Nov 6, 2001·263 cites·32 claims
- 0392US9650880B2Waveform anti-stick slip system and methodTESCO CORP·Filed 2014·Granted May 16, 2017·18 cites·23 claims
- 0492US7878237B2Actuation system for an oilfield tubular handling systemTESCO CORP·Filed 2007·Granted Feb 1, 2011·43 cites·25 claims
- 0592US7694730B2Spear type blow out preventerTESCO CORP·Filed 2005·Granted Apr 13, 2010·45 cites·12 claims
- 0692US7140443B2Pipe handling device, method and systemTESCO CORP·Filed 2003·Granted Nov 28, 2006·141 cites·70 claims
- 0790US7861781B2Pump down cement retaining deviceTESCO CORP·Filed 2008·Granted Jan 4, 2011·74 cites·19 claims
- 0890US6742584B1Apparatus for facilitating the connection of tubulars using a top driveTESCO CORP·Filed 1999·Granted Jun 1, 2004·156 cites·16 claims
- 0990US6513223B1Method for installing a centralizer retaining collar and outer sleeveTESCO CORP·Filed 2000·Granted Feb 4, 2003·37 cites·27 claims
- 1089US7108080B2Method and apparatus for drilling a borehole with a borehole linerTESCO CORP·Filed 2004·Granted Sep 19, 2006·139 cites·32 claims
- 1188US9689250B2System and method for mitigating stick-slipTESCO CORP·Filed 2014·Granted Jun 27, 2017·16 cites·13 claims
- 1288US7044241B2Method for drilling with casingTESCO CORP·Filed 2001·Granted May 16, 2006·87 cites·41 claims
- 1388US7013992B2Borehole stabilization while drillingTESCO CORP·Filed 2003·Granted Mar 21, 2006·63 cites·78 claims
- 1488US6199641B1Pipe gripping deviceTESCO CORP·Filed 1998·Granted Mar 13, 2001·137 cites·3 claims
- 1587US7377324B2Pipe handling device, method and systemTESCO CORP·Filed 2006·Granted May 27, 2008·31 cites·34 claims
- 1685US7640984B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Jan 5, 2010·21 cites·18 claims
- 1784US6705413B1Drilling with casingTESCO CORP·Filed 1999·Granted Mar 16, 2004·108 cites·35 claims
- 1883US7784552B2Liner drilling methodTESCO CORP·Filed 2008·Granted Aug 31, 2010·31 cites·17 claims
- 1983US7673675B2Pipe handling device and safety mechanismTESCO CORP·Filed 2006·Granted Mar 9, 2010·22 cites·32 claims
- 2083US6679335B2Method for preparing casing for use in a wellboreTESCO CORP·Filed 2002·Granted Jan 20, 2004·56 cites·25 claims
- 2182US7270189B2Top drive assemblyTESCO CORP·Filed 2004·Granted Sep 18, 2007·61 cites·42 claims
- 2281US7475742B2Method for drilling with casingTESCO CORP·Filed 2006·Granted Jan 13, 2009·18 cites·27 claims
- 2380US7854265B2Pipe gripping assembly with power screw actuator and method of gripping pipe on a rigTESCO CORP·Filed 2008·Granted Dec 21, 2010·41 cites·22 claims
- 2479US7681649B2Power slipsTESCO CORP·Filed 2007·Granted Mar 23, 2010·27 cites·20 claims
- 2577US7624820B2Method for drilling with casingTESCO CORP·Filed 2008·Granted Dec 1, 2009·13 cites·19 claims
- 2676US7926578B2Liner drilling system and method of liner drilling with retrievable bottom hole assemblyTESCO CORP·Filed 2008·Granted Apr 19, 2011·17 cites·19 claims
- 2776US7647990B2Method for drilling with a wellbore linerTESCO CORP·Filed 2006·Granted Jan 19, 2010·16 cites·19 claims
- 2875US9175526B2Top drive with mounted winchTESCO CORP·Filed 2012·Granted Nov 3, 2015·6 cites·19 claims
- 2975US7942199B2Method for installing wellbore string devicesTESCO CORP·Filed 2008·Granted May 17, 2011·13 cites·18 claims
- 3075US7784551B2Tubular handling deviceTESCO CORP·Filed 2008·Granted Aug 31, 2010·15 cites·21 claims
- 3174US7082997B2Pipe centralizer and method of attachmentTESCO CORP·Filed 2002·Granted Aug 1, 2006·43 cites·6 claims
- 3273US7757764B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Jul 20, 2010·10 cites·12 claims
- 3373US7484559B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Feb 3, 2009·10 cites·11 claims
- 3472US7926590B2Method of liner drilling and cementing utilizing a concentric inner stringTESCO CORP·Filed 2008·Granted Apr 19, 2011·13 cites·24 claims
- 3572US7845431B2Retrieval tool with slips for retrieving bottom hole assembly during casing while drilling operationsTESCO CORP·Filed 2008·Granted Dec 7, 2010·12 cites·20 claims
- 3672US7814633B2Pipe centralizer and method of formingTESCO CORP·Filed 2003·Granted Oct 19, 2010·15 cites·27 claims
- 3772US7219727B2Wear resistant tubular connectionTESCO CORP·Filed 2002·Granted May 22, 2007·29 cites·37 claims
- 3871US7520343B2Retrievable center bitTESCO CORP·Filed 2005·Granted Apr 21, 2009·13 cites·11 claims
- 3970US9850708B2Drill string subTESCO CORP·Filed 2014·Granted Dec 26, 2017·3 cites·19 claims
- 4070US9605500B2System and method for managing drilling fluidTESCO CORP·Filed 2014·Granted Mar 28, 2017·3 cites·19 claims
- 4170US7654313B2Method and assembly for casing handling using a kelly rigTESCO CORP·Filed 2007·Granted Feb 2, 2010·11 cites·14 claims
- 4270US7287584B2Anchoring device for a wellbore toolTESCO CORP·Filed 2003·Granted Oct 30, 2007·25 cites·18 claims
- 4370US6585052B2Casing centralizerTESCO CORP·Filed 2002·Granted Jul 1, 2003·30 cites·4 claims
- 4469US9464491B2Systems and methods for tubular engagement and manipulationTESCO CORP·Filed 2014·Granted Oct 11, 2016·3 cites·11 claims
- 4569US9359835B2Pipe drive sealing system and methodTESCO CORP·Filed 2012·Granted Jun 7, 2016·3 cites·16 claims
- 4668US9273520B2Control line securement method and systemTESCO CORP·Filed 2012·Granted Mar 1, 2016·3 cites·17 claims
- 4767US7770654B2Pipe handling device, method and systemTESCO CORP·Filed 2008·Granted Aug 10, 2010·9 cites·17 claims
- 4867US7552778B2Seal cup for a wellbore tool and methodTESCO CORP·Filed 2008·Granted Jun 30, 2009·6 cites·9 claims
- 4967US7140455B2Valve method for drilling with casing using pressurized drilling fluidTESCO CORP·Filed 2004·Granted Nov 28, 2006·30 cites·38 claims
- 5066US9896893B2Pipe drive sealing system and methodTESCO CORP·Filed 2016·Granted Feb 20, 2018·1 cites·20 claims
Showing the top 50 of 110 patent records by PatentIndex Score.
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