Packoff

Details Packoff Packoff

1984-06-22

1986-12-16

Leppink, James A.

Wells

Packers or plugs

Central support has shoulders expanding sealing portion, or...

2771166, 277117, E21B 33128, E21B 2306

Patent

active

046289976

ABSTRACT:
A packoff having a metal energizing ring, mounted around a packoff mandrel. A pair of elastomeric packing elements are also mounted around the packoff mandrel, one on each side of the energizing ring. When the packoff is set, the packing elements are forced toward the energizing ring, and tapered surfaces on the energizing ring force the packing elements into sealing engagement with a well conduit.

REFERENCES:
patent: 234102 (1880-11-01), Williams
patent: 2217986 (1940-10-01), Knox
patent: 2404692 (1946-07-01), Church
patent: 2418493 (1947-04-01), Allen
patent: 2433942 (1948-01-01), Works
patent: 2802534 (1957-08-01), Conrad
patent: 3054452 (1962-09-01), Clark, Jr. et al.
patent: 3181614 (1965-05-01), Brown
patent: 3278192 (1966-10-01), Tamplen
patent: 3391740 (1968-07-01), Edwards, Jr.
patent: 3416608 (1968-12-01), Crow et al.
patent: 3422899 (1969-01-01), Brown
patent: 3666010 (1972-05-01), Harris
patent: 4433726 (1984-02-01), Preston, Jr. et al.
patent: 4441559 (1984-04-01), Evans et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-240003