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Class Information
Number: 175/26
Name: Boring or penetrating the earth > Automatic control > Of boring means including a below-ground drive prime mover
Description: Subject matter in which a below ground drive prime mover comprises part of the boring means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7334650 |
Apparatus and methods for drilling a wellbore using casing |
Feb. 26, 2008 |
| 7306053 |
Boring tool tracking fundamentally based on drill string length, pitch and roll |
Dec. 11, 2007 |
| 7306060 |
Drilling assembly with a steering device for coiled-tubing operations |
Dec. 11, 2007 |
| 7287605 |
Steerable drilling apparatus having a differential displacement side-force exerting mechanism |
Oct. 30, 2007 |
| 7270198 |
Orienter for drilling tool assembly and method |
Sep. 18, 2007 |
| 7243719 |
Control method for downhole steering tool |
Jul. 17, 2007 |
| 7234543 |
Systems and methods for directionally drilling a borehole using a continuously variable transmission |
Jun. 26, 2007 |
| 7185715 |
Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha |
Mar. 6, 2007 |
| 7182154 |
Directional borehole drilling system and method |
Feb. 27, 2007 |
| 7165632 |
Boring tool tracking fundamentally based on drill string length, pitch and roll |
Jan. 23, 2007 |
| 7159672 |
Mapping tool for tracking and/or guiding an underground boring tool |
Jan. 9, 2007 |
| 7150331 |
System and method for tracking and communicating with a boring tool |
Dec. 19, 2006 |
| 7134512 |
Method of downhole drilling and apparatus therefor |
Nov. 14, 2006 |
| 7096979 |
Continuous on-bottom directional drilling method and system |
Aug. 29, 2006 |
| 7084782 |
Drill string telemetry system and method |
Aug. 1, 2006 |
| 7080698 |
Mapping tool for tracking and/or guiding an underground boring tool |
Jul. 25, 2006 |
| 7055625 |
Self-propelled instrumented deep drilling system |
Jun. 6, 2006 |
| 7028789 |
Drilling assembly with a steering device for coiled-tubing operations |
Apr. 18, 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 |
| 6942044 |
Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
Sep. 13, 2005 |
| 6920943 |
Mapping tool for tracking and/or guiding an underground boring tool |
Jul. 26, 2005 |
| 6918453 |
Method of and apparatus for directional drilling |
Jul. 19, 2005 |
| 6918454 |
Automated control system for back-reaming |
Jul. 19, 2005 |
| 6910541 |
Macro assisted control system and method for a horizontal directional drilling machine |
Jun. 28, 2005 |
| 6871712 |
Remote control for a drilling machine |
Mar. 29, 2005 |
| 6868921 |
Boring tool tracking fundamentally based on drill string length, pitch and roll |
Mar. 22, 2005 |
| 6851490 |
Apparatus and process for drilling casing with environmentally contained mud annulus |
Feb. 8, 2005 |
| 6802378 |
Method of and apparatus for directional drilling |
Oct. 12, 2004 |
| 6791469 |
Method of drilling in response to looking ahead of the bit |
Sep. 14, 2004 |
| 6725948 |
Method of regulating the feed force of a drilling device |
Apr. 27, 2004 |
| 6708783 |
Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
Mar. 23, 2004 |
| 6691804 |
Directional borehole drilling system and method |
Feb. 17, 2004 |
| 6668946 |
Backreamer |
Dec. 30, 2003 |
| 6651755 |
Macro assisted control system and method for a horizontal directional drilling machine |
Nov. 25, 2003 |
| 6633252 |
Radar plow drillstring steering |
Oct. 14, 2003 |
| 6629570 |
Method of downhole drilling and apparatus therefor |
Oct. 7, 2003 |
| 6609579 |
Drilling assembly with a steering device for coiled-tubing operations |
Aug. 26, 2003 |
| 6607043 |
Down hole motors and methods for their operation |
Aug. 19, 2003 |
| 6595303 |
Rotary steerable drilling tool |
Jul. 22, 2003 |
| 6568485 |
Stalled motor by-pass valve |
May. 27, 2003 |
| 6543550 |
Long range electronic guidance system for locating a discrete in-ground boring device |
Apr. 8, 2003 |
| 6513606 |
Self-controlled directional drilling systems and methods |
Feb. 4, 2003 |
| 6484819 |
Directional borehole drilling system and method |
Nov. 26, 2002 |
| 6470974 |
Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
Oct. 29, 2002 |
| 6435286 |
Apparatus and method for detecting a location and an orientation of an underground boring tool |
Aug. 20, 2002 |
| 6419031 |
Method of controlling rock drilling |
Jul. 16, 2002 |
| 6371221 |
Coring bit motor and method for obtaining a material core sample |
Apr. 16, 2002 |
| 6325163 |
Bit torque limiting device |
Dec. 4, 2001 |
| 6293355 |
Method of controlling rock drilling |
Sep. 25, 2001 |
| 6161630 |
Apparatus and method for controlling an underground boring tool |
Dec. 19, 2000 |
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