Tubing packer

Details Tubing packer Tubing packer

1987-04-30

1988-06-07

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166187, 166191, 166212, 166217, 277103, 277117, 277236, E21B 33128

Patent

active

047490357

ABSTRACT:
An improved tubing packer including a sleeve connected in the tubing string and having an outer diameter close to the inner diameter of the string into which it is to seal and a plurality of external grooves having pressure compensating material therein, a liner within the sleeve and spaced therefrom, pressure responsive piston between said sleeve and said liner, the pressure responsive piston and said sleeve having coacting multiple camming surfaces which coact to force the sleeve outward into tight gripping and sealing engagement with the interior of the well string and a source of pressure fluid supplied to the pressure responsive piston.

REFERENCES:
patent: 2159640 (1939-05-01), Strom
patent: 2582700 (1952-01-01), Jones
patent: 2953406 (1960-09-01), Young
patent: 4302018 (1981-11-01), Harvey et al.
patent: 4556224 (1985-12-01), Le
patent: 4573537 (1986-03-01), Hirajuna et al.
patent: 4588029 (1986-05-01), Blizzard
patent: 4646845 (1987-03-01), Boeker
patent: 4662663 (1987-05-01), Schmitz
patent: 4665979 (1987-05-01), Boehm, Jr.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-839174