Downhole rotary bearing sub

Details Downhole rotary bearing sub Downhole rotary bearing sub

1993-10-28

1994-11-29

Neuder, William P.

Boring or penetrating the earth

Processes

175321, 175415, 464162, E21B 1036, E21B 17046

Patent

active

053681100

ABSTRACT:
A rotary bearing downhole sub has an outer housing adapted to be connected to an upper drill string and to receive therein an inner mandril adapted to be connected to a lower drill string. Both the outer housing and the inner mandril are provided with radially directed splines which, when brought into meshed engagement, allow transmission of rotary motion between the upper and lower drill strings and through the sub.

REFERENCES:
patent: 4862976 (1989-09-01), Meek

Affiliated with

Also associated with

Rating

Downhole rotary bearing sub does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Downhole rotary bearing sub, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole rotary bearing sub will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-68527