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Canrig Drilling Technology Ltd patents

Recent patent applications related to Canrig Drilling Technology Ltd. Canrig Drilling Technology Ltd is listed as an Agent/Assignee. Note: Canrig Drilling Technology Ltd may have other listings under different names/spellings. We're not affiliated with Canrig Drilling Technology Ltd, we're just tracking patents.

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Date Canrig Drilling Technology Ltd patents (updated weekly) - BOOKMARK this page
01/05/17Active monitoring of alignment of rig component
10/06/16Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
09/15/16Low inertia direct drive drawworks
08/18/16Drill pipe oscillation regime and torque controller for slide drilling
07/07/16High speed ratio permanent magnet motor
06/30/16Tubular handling device and methods
05/26/16Drill pipe oscillation regime for slide drilling
05/19/16Thread compensation apparatus
03/17/16Mousehole assembly for manipulating tubulars for subterranean operations
03/17/16Mousehole assembly for manipulating tubulars for subterranean operations
03/17/16Griphead assembly for manipulating tubulars for subterranean operations
03/17/16System for manipulating tubulars for subterranean operations
03/03/16System and manipulating tubulars for subterranean operations
02/04/16Direct drive drawworks with bearingless motor
01/28/16Active monitoring of heavy weight lubrication oil
12/31/15Ruggedized housing
10/22/15Methods and automated oilfield torque wrench set-up to make-up and break-out tubular strings
10/08/15Method for controlling torque in permanent magnet motor drives
10/01/15Stiction control
09/24/15Back pressure control system
09/24/15System for operating a top drive assembly for subterranean operations
09/17/15Low inertia direct drive drawworks
09/17/15Predictive landing failsafe
09/17/15Multi-speed electric motor
08/20/15Methods and apparatuses for defect diagnosis in a mechanical system
08/06/15Internal closed loop cooling
06/11/15Method and system for testing operational integrity of a drilling rig
05/14/15Fill up and circulation tool and operating
05/14/15Method of field weakening control of permanent magnet motor drivers
02/26/15Rig control system and methods
02/19/15Non-stop driller manifold and methods
02/12/15Dual purpose mud-gas separator and methods
02/12/15Tubular joint elevator and method
01/15/15Force application reduction employing actuator and thrust bearing
01/15/15Top entry wireline apparatus and methods
01/15/15Top drive module connector and methods
01/15/15Drilling-pipe handling apparatus and method
09/11/14Threadform locking device and methods
07/17/14Tubular handling device and methods
06/12/14Drill string oscillation methods
06/05/14Automated directional drilling apparatus and methods
05/01/14Reciprocating and rotating section and methods in a drilling system
05/01/14Redundant seal apparatus and method
03/20/14Automated make-up and break-out of tubulars
10/31/13Force application reduction employing actuator
08/15/13Well prog execution facilitation system and method
05/23/13Directional drilling control apparatus and methods
05/16/13Weight-based interlock apparatus and methods
11/01/12Automated make-up and break-out of tubulars
06/28/12Modular top drive lubrication system and methods
06/07/12Real time well data alerts
04/26/12Tubular handling device and methods
03/08/12Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
02/02/12Pipe-handling apparatus and methods
06/23/11Tubular handling device and methods
06/16/11Well prog execution facilitation system and method
03/31/11Modular top drive lubrication system and methods
02/24/11Pipe-handling apparatus and methods
02/03/11Directional drilling control apparatus and methods
02/03/11Apparatus and methods for guiding toolface orientation
09/03/09Methods and automated oilfield torque wrench set-up to make-up and break-out tubular strings
08/27/09Oilfield tubular torque wrench
08/20/09Oilfield tubular torque wrench







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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Canrig Drilling Technology Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Canrig Drilling Technology Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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