Underreamer having splined torque transmitting connector...

Details Underreamer having splined torque transmitting connector... Underreamer having splined torque transmitting connector...

E - Fixed Constructions

21

B

255/76

E21B 10/00 (2006.01) E21B 10/34 (2006.01)

Patent

CA 1056369

Abstract An underreamer is disclosed having longitudinally telescoping upper and lower portions connectable respectively to an upper drill string and a lower drill string. A splined connection is provided between the telescoping portions having first and second engaged positions. Both of the engaged positions transmit torque between the telescoping portions. The spined connection provides a different angular and a different longitudinal position for the telescoping portions in each such position. Means is provided for pivotally mounting a cutter arm on one of the telescoping portions. Means is provided on the other telescoping portion for urging the at least one cutter arm relatively outward from the telescoping portions to an extended underreaming position when the spined connection is in its first position. The cutter arm is positioned inwardly to a retracted clearance position when the splined connection is in its second position.

273132

Affiliated with

Also associated with

Rating

Underreamer having splined torque transmitting connector... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Underreamer having splined torque transmitting connector..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Underreamer having splined torque transmitting connector... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-848312