Hydraulic port collar

Details Hydraulic port collar Hydraulic port collar

1993-04-27

1994-10-25

Buiz, Michael Powell

Wells

Processes

Cementing, plugging or consolidating

E21B 3300

Patent

active

053580486

ABSTRACT:
A stage valve with particular use in cementing a well bore annulus above an inflatable packer located in a well bore on a liner where the stage valve has pressure operated outer sleeve members for opening a flow port in the stage valve and an inner sleeve member actuated by the trailing plug behind a liquid cement slurry to close the flow port whereupon spring members act on at least one of the outer sleeve members to close off the flow port on the exterior of the stage valve.

REFERENCES:
patent: 4602684 (1986-07-01), Wormer et al.

Affiliated with

Also associated with

Rating

Hydraulic port collar does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-129152