Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent
1998-02-10
2000-08-29
Neuder, William
Boring or penetrating the earth
Processes
Boring curved or redirected bores
175 73, E21B 700
Patent
active
061093718
ABSTRACT:
A method for steering a drill bit are disclosed that allow steered horizontal drilling to be performed in rocky, semi-hard, or hard soils and rock, including the steps of stopping the advancement and rotation of the drill string, positioning the upper cutting portion so that the upper cutting portion is pointed in the direction it is desired to deflect the drill string, rocking the drill bit in an arc, thrusting the drill string forward while rocking, and rotating the drill bit.
REFERENCES:
patent: 4360069 (1982-11-01), Davis
patent: 4417629 (1983-11-01), Wallace
patent: 4429755 (1984-02-01), Williamson
patent: 4667751 (1987-05-01), Geczy et al.
patent: 4733735 (1988-03-01), Barr et al.
patent: 4739842 (1988-04-01), Kruger et al.
patent: 4807708 (1989-02-01), Forrest et al.
patent: 4953638 (1990-09-01), Dunn
patent: 5099931 (1992-03-01), Krueger et al.
patent: 5392868 (1995-02-01), Deken et al.
patent: 5449046 (1995-09-01), Kinnan
patent: 5513713 (1996-05-01), Groves
patent: 5644956 (1997-07-01), Blackman et al.
patent: 5755297 (1998-05-01), Young et al.
patent: 5778991 (1998-07-01), Runquist et al.
patent: 5941322 (1999-08-01), Stephenson et al.
Neuder William
The Charles Machine Works, Inc.
LandOfFree
Method and apparatus for steering an earth boring tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for steering an earth boring tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for steering an earth boring tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1239416