Mud retaining valve

Details Mud retaining valve Mud retaining valve

E - Fixed Constructions

21

B

255/25

E21B 21/00 (2006.01) E21B 21/10 (2006.01) E21B 41/00 (2006.01)

Patent

CA 1072944

MUD RETAINING VALVE ABSTRACT OF THE DISCLOSURE A valve adapted for insertion in a radially enlarged portion of the kelly saver sub to retain mud in the kelly when the drill pipe is disconnected therefrom, including a tubular body with a downwardly extending closure member supported thereby, and a piston having an axial passage for the flow of drilling mud therethrough, axially movable within the body. The plug may be removed from the bore by the application of an upwardly directed tension force thereto, so that wire line tools may be run through the bore and the passage.

301436

Affiliated with

Also associated with

Rating

Mud retaining valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-344838