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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6840336 |
Drilling tool with non-rotating sleeve |
Jan. 11, 2005 |
| 6817422 |
Automated riser recoil control system and method |
Nov. 16, 2004 |
| 6769497 |
Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications |
Aug. 3, 2004 |
| 6766869 |
Remote lock-out system and method for a horizontal directional drilling machine |
Jul. 27, 2004 |
| 6725948 |
Method of regulating the feed force of a drilling device |
Apr. 27, 2004 |
| 6691801 |
Load compensator for a pipe running tool |
Feb. 17, 2004 |
| 6637523 |
Drilling process monitor |
Oct. 28, 2003 |
| 6637522 |
Enhanced computer control of in-situ drilling system |
Oct. 28, 2003 |
| 6615931 |
Continuous feed drilling system |
Sep. 9, 2003 |
| 6554082 |
Apparatus and method for controlling an underground boring machine |
Apr. 29, 2003 |
| 6505689 |
Arrangement for controlling rock drilling |
Jan. 14, 2003 |
| 6491115 |
Directional drilling machine and method of directional drilling |
Dec. 10, 2002 |
| 6408952 |
Remote lock-out system and method for a horizontal direction drilling system |
Jun. 25, 2002 |
| 6382331 |
Method of and system for optimizing rate of penetration based upon control variable correlation |
May. 7, 2002 |
| 6382330 |
Apparatus and method for controlling an underground boring machine |
May. 7, 2002 |
| 6325163 |
Bit torque limiting device |
Dec. 4, 2001 |
| 6293356 |
Method of and system for optimizing rate of penetration in drilling operations |
Sep. 25, 2001 |
| 6289997 |
Apparatus and method for controlling an underground boring machine |
Sep. 18, 2001 |
| 6286613 |
Impact method and the device used in standard penetration test |
Sep. 11, 2001 |
| 6253860 |
Method and arrangement for controlling rock drilling |
Jul. 3, 2001 |
| 6230821 |
Weight control system for a rotary drill assembly |
May. 15, 2001 |
| 6216800 |
In-situ drilling system with dust collection and overload control |
Apr. 17, 2001 |
| 6209662 |
Method of and apparatus for controlling diamond drill feed |
Apr. 3, 2001 |
| 6192998 |
Method of and system for optimizing rate of penetration in drilling operations |
Feb. 27, 2001 |
| 6186248 |
Closed loop control system for diamond core drilling |
Feb. 13, 2001 |
| 6164390 |
Method of determining characteristics of a rotary drag-type drill bit |
Dec. 26, 2000 |
| 6155357 |
Method of and system for optimizing rate of penetration in drilling operations |
Dec. 5, 2000 |
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