Earth drilling method and apparatus using multiple hydraulic...

Details Earth drilling method and apparatus using multiple hydraulic... Earth drilling method and apparatus using multiple hydraulic...

E - Fixed Constructions

21

B

255/11

E21B 7/18 (2006.01) E21B 7/06 (2006.01) E21B 17/07 (2006.01) E21B 21/12 (2006.01) E21B 29/02 (2006.01) E21B 43/11 (2006.01) E21B 44/00 (2006.01) E21B 47/022 (2006.01)

Patent

CA 1261817

Abstract of the Disclosure A drilling system in which hydraulic forces are applied against a drillhead at the forward end of a drilling pipe to pull a pipe into underground formation. A pushing force also is applied from the rearward end using sliding seals and a closed rearward end of the drill string against which fluid pressure is applied, or (b) by providing a dead weight to the rearward end.

525995

Affiliated with

Also associated with

Rating

Earth drilling method and apparatus using multiple hydraulic... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Earth drilling method and apparatus using multiple hydraulic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Earth drilling method and apparatus using multiple hydraulic... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1306497