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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 175/27
Name: Boring or penetrating the earth > Automatic control > Of advance or applied tool weight
Description: Subject matter in which a sensed condition of operation controls a power operated means to initiate, modify, or terminate the advance or axial pressure of a tool upon the formation.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8590635 Method and apparatus for automated drilling of a borehole in a subsurface formation Nov. 26, 2013
8510081 Drilling scorecard Aug. 13, 2013
8474550 Adaptive drilling control system Jul. 2, 2013
8439129 Anti-stall tool for downhole drilling assemblies May. 14, 2013
8413744 System and method for controlling the integrity of a drilling system Apr. 9, 2013
8356675 Apparatus and methods for tubular makeup interlock Jan. 22, 2013
8302677 Coiled tubing injector with a weight on bit circuit Nov. 6, 2012
8286726 User interface for rock drilling rig Oct. 16, 2012
8286727 Weighing and display station Oct. 16, 2012
8256534 Adaptive drilling control system Sep. 4, 2012
8253790 Cylinder stroke system with laser proximity detector Aug. 28, 2012
8220540 Apparatus and methods for estimating loads and movements of members downhole Jul. 17, 2012
8210278 Method for drilling rock Jul. 3, 2012
8162077 Drill bit with weight and torque sensors Apr. 24, 2012
8146680 Anti-stall tool for downhole drilling assemblies Apr. 3, 2012
8146681 Drilling tool and drilling method Apr. 3, 2012
8136609 Multiple input scaling autodriller Mar. 20, 2012
8033345 Apparatus and method for a drilling assembly Oct. 11, 2011
7987924 Automatic control system for connecting a dual-member pipe Aug. 2, 2011
7987927 Steering of bent housing mud motor downhole rotation device Aug. 2, 2011
7980326 Method and system for controlling force in a down-hole drilling operation Jul. 19, 2011
7938197 Automated MSE-based drilling apparatus and methods May. 10, 2011
7854275 Spring-operated anti-stall tool Dec. 21, 2010
7810584 Method of directional drilling with steerable drilling motor Oct. 12, 2010
7775297 Multiple input scaling autodriller Aug. 17, 2010
7677331 AC coiled tubing rig with automated drilling system and method of using the same Mar. 16, 2010
7628226 Automatic control system for connecting a dual-member pipe Dec. 8, 2009
7610970 Apparatus for eliminating net drill bit torque and controlling drill bit walk Nov. 3, 2009
7588099 Horizontal drilling system with oscillation control Sep. 15, 2009
7537066 Automatic driller May. 26, 2009
7530407 Rotary coring device and method for acquiring a sidewall core from an earth formation May. 12, 2009
7416033 Instrumented drill head, related drilling/bolting machines, and methods Aug. 26, 2008
7413031 Apparatus and method for maintaining control of a drilling machine Aug. 19, 2008
7404455 Automatic SPT monitor Jul. 29, 2008
7350593 Electronically controlled earth drilling rig Apr. 1, 2008
7316277 Bottom hole assembly Jan. 8, 2008
7306054 Method for improving drilling depth measurements Dec. 11, 2007
7228899 Warning device and method to prevent clutch burning Jun. 12, 2007
7198117 Method and arrangement for controlling percussion rock drilling Apr. 3, 2007
7172037 Real-time drilling optimization based on MWD dynamic measurements Feb. 6, 2007
7134511 Soil working method and device Nov. 14, 2006
7114577 Safemode operating system for a drilling or service rig Oct. 3, 2006
7100708 Autodriller bit protection system and method Sep. 5, 2006
7059427 Automatic drilling system Jun. 13, 2006
7044239 System and method for automatic drilling to maintain equivalent circulating density at a preferred value May. 16, 2006
7004263 Directional casing drilling Feb. 28, 2006
6994172 Well drilling control system Feb. 7, 2006
6968909 Realtime control of a drilling system using the output from combination of an earth model and a drilling process model Nov. 29, 2005
6957707 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence Oct. 25, 2005
6854529 Optimizing method for regulating the operating state of a guided machine tool comprising a rotating percussion tool during a boring process Feb. 15, 2005

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