Assignee
CANRIG DRILLING TECH LTD
US·59 granted patents·11 pending applications·1,845 citations·filing 1997–2017
Top patents by PatentIndex Score
70 records- 0198US9784089B2Automated directional drilling apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2014·Granted Oct 10, 2017·46 cites·22 claims
- 0298US9784035B2Drill pipe oscillation regime and torque controller for slide drillingCANRIG DRILLING TECH LTD·Filed 2015·Granted Oct 10, 2017·27 cites·20 claims
- 0398US8386059B2Well prog execution facilitation system and methodCANRIG DRILLING TECH LTD·Filed 2010·Granted Feb 26, 2013·38 cites·22 claims
- 0498US7860593B2Well prog execution facilitation system and methodCANRIG DRILLING TECH LTD·Filed 2007·Granted Dec 28, 2010·107 cites·28 claims
- 0597US10673238B2Micro grid power optimizationCANRIG DRILLING TECH LTD·Filed 2017·Granted Jun 2, 2020·22 cites·16 claims
- 0697US8718802B2Well prog execution facilitation system and methodCANRIG DRILLING TECH LTD·Filed 2013·Granted May 6, 2014·34 cites·20 claims
- 0797US8360171B2Directional drilling control apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2010·Granted Jan 29, 2013·75 cites·26 claims
- 0897US7823655B2Directional drilling controlCANRIG DRILLING TECH LTD·Filed 2007·Granted Nov 2, 2010·132 cites·20 claims
- 0996US9706185B2Device control employing three-dimensional imagingCANRIG DRILLING TECH LTD·Filed 2013·Granted Jul 11, 2017·102 cites·23 claims
- 1096US8839884B2Direct modular top drive with pipe handler module and methodsCANRIG DRILLING TECH LTD·Filed 2013·Granted Sep 23, 2014·43 cites·21 claims
- 1196US8602126B2Directional drilling control apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2013·Granted Dec 10, 2013·36 cites·22 claims
- 1296US7938197B2Automated MSE-based drilling apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2007·Granted May 10, 2011·125 cites·12 claims
- 1396US6679333B2Top drive well casing system and methodCANRIG DRILLING TECH LTD·Filed 2001·Granted Jan 20, 2004·240 cites·20 claims
- 1495US9290995B2Drill string oscillation methodsCANRIG DRILLING TECH LTD·Filed 2012·Granted Mar 22, 2016·27 cites·18 claims
- 1595US7828085B2Modular top driveCANRIG DRILLING TECH LTD·Filed 2006·Granted Nov 9, 2010·46 cites·20 claims
- 1695US7802634B2Integrated quill position and toolface orientation displayCANRIG DRILLING TECH LTD·Filed 2008·Granted Sep 28, 2010·67 cites·32 claims
- 1793US10672154B23D toolface wellbore steering visualizationCANRIG DRILLING TECH LTD·Filed 2016·Granted Jun 2, 2020·44 cites·28 claims
- 1893US10329857B2Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular stringsCANRIG DRILLING TECH LTD·Filed 2016·Granted Jun 25, 2019·7 cites·12 claims
- 1992US8033779B2Pipe handling apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2008·Granted Oct 11, 2011·28 cites·19 claims
- 2092US7958787B2Oilfield tubular torque wrenchCANRIG DRILLING TECH LTD·Filed 2009·Granted Jun 14, 2011·46 cites·19 claims
- 2192US6050348ADrilling method and apparatusCANRIG DRILLING TECH LTD·Filed 1997·Granted Apr 18, 2000·180 cites·6 claims
- 2291US10094209B2Drill pipe oscillation regime for slide drillingCANRIG DRILLING TECH LTD·Filed 2014·Granted Oct 9, 2018·21 cites·24 claims
- 2391US9863194B2System for manipulating tubulars for subterranean operationsCANRIG DRILLING TECH LTD·Filed 2014·Granted Jan 9, 2018·16 cites·20 claims
- 2490US7832974B2Pipe-handling apparatusCANRIG DRILLING TECH LTD·Filed 2005·Granted Nov 16, 2010·57 cites·22 claims
- 2588US9952119B2System for operating a top drive assembly for subterranean operationsCANRIG DRILLING TECH LTD·Filed 2015·Granted Apr 24, 2018·9 cites·17 claims
- 2688US9793781B2Internal closed loop coolingCANRIG DRILLING TECH LTD·Filed 2015·Granted Oct 17, 2017·4 cites·18 claims
- 2787US9537315B2Generator load controlCANRIG DRILLING TECH LTD·Filed 2015·Granted Jan 3, 2017·8 cites·10 claims
- 2885US7445050B2Tubular running toolCANRIG DRILLING TECH LTD·Filed 2006·Granted Nov 4, 2008·39 cites·28 claims
- 2984US10378329B2Rig control system and methodsCANRIG DRILLING TECH LTD·Filed 2013·Granted Aug 13, 2019·7 cites·18 claims
- 3082US9404324B2Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular stringsCANRIG DRILLING TECH LTD·Filed 2013·Granted Aug 2, 2016·4 cites·12 claims
- 3181US10150659B2Direct drive drawworks with bearingless motorCANRIG DRILLING TECH LTD·Filed 2015·Granted Dec 11, 2018·3 cites·23 claims
- 3281US9634599B2High speed ratio permanent magnet motorCANRIG DRILLING TECH LTD·Filed 2015·Granted Apr 25, 2017·2 cites·20 claims
- 3380US9903168B2Tubular handling methodsCANRIG DRILLING TECH LTD·Filed 2016·Granted Feb 27, 2018·2 cites·19 claims
- 3480US9303472B2Tubular handling methodsCANRIG DRILLING TECH LTD·Filed 2014·Granted Apr 5, 2016·4 cites·18 claims
- 3579US6082225APower tong wrenchCANRIG DRILLING TECH LTD·Filed 1997·Granted Jul 4, 2000·79 cites·21 claims
- 3678US9919903B2Multi-speed electric motorCANRIG DRILLING TECH LTD·Filed 2015·Granted Mar 20, 2018·3 cites·40 claims
- 3778US8042432B2Oilfield tubular torque wrenchCANRIG DRILLING TECH LTD·Filed 2009·Granted Oct 25, 2011·22 cites·28 claims
- 3876US10615666B2Internal closed loop coolingCANRIG DRILLING TECH LTD·Filed 2017·Granted Apr 7, 2020·1 cites·16 claims
- 3975US9500045B2Reciprocating and rotating section and methods in a drilling systemCANRIG DRILLING TECH LTD·Filed 2013·Granted Nov 22, 2016·6 cites·23 claims
- 4075US9010761B2Redundant seal apparatus and methodCANRIG DRILLING TECH LTD·Filed 2012·Granted Apr 21, 2015·5 cites·43 claims
- 4175US7543650B2Quill saver subCANRIG DRILLING TECH LTD·Filed 2006·Granted Jun 9, 2009·14 cites·16 claims
- 4275US6920926B2Top drive well casing systemCANRIG DRILLING TECH LTD·Filed 2004·Granted Jul 26, 2005·40 cites·2 claims
- 4373US8899319B2Automated systems and methods for make-up and break-out of tubularsCANRIG DRILLING TECH LTD·Filed 2013·Granted Dec 2, 2014·5 cites·25 claims
- 4470US8016536B2Pipe-handling apparatus and methodsCANRIG DRILLING TECH LTD·Filed 2008·Granted Sep 13, 2011·12 cites·21 claims
- 4569US9819236B2Methods for coupling permanent magnets to a rotor body of an electric motorCANRIG DRILLING TECH LTD·Filed 2015·Granted Nov 14, 2017·1 cites·11 claims
- 4669US9664003B2Non-stop driller manifold and methodsCANRIG DRILLING TECH LTD·Filed 2013·Granted May 30, 2017·4 cites·31 claims
- 4763US9759019B2Tubular joint elevator and methodCANRIG DRILLING TECH LTD·Filed 2013·Granted Sep 12, 2017·2 cites·30 claims
- 4861US10000981B2Back pressure control systemCANRIG DRILLING TECH LTD·Filed 2015·Granted Jun 19, 2018·2 cites·18 claims
- 4958US10003229B2Low inertia direct drive drawworksCANRIG DRILLING TECH LTD·Filed 2016·Granted Jun 19, 2018·0 cites·6 claims
- 5057US9194196B2Dual purpose mud-gas separator and methodsCANRIG DRILLING TECH LTD·Filed 2013·Granted Nov 24, 2015·1 cites·21 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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