Hydraulic tubing head assembly

Details Hydraulic tubing head assembly Hydraulic tubing head assembly

1995-05-12

1996-06-04

Schoeppel, Roger

Wells

Above ground apparatus

Moving tubing or cable into an existing well

166 883, 166212, 166 884, E21B 33043

Patent

active

055224644

ABSTRACT:
A hanger head assembly for coiled tubing that consists of a body member having an axial passage that includes plural, hydraulically actuated slips for holding the tubing at a selected position, and further includes a concentration double packer assembly that is hydraulically actuated to seal off the tubing annulus.

REFERENCES:
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patent: 3675719 (1972-07-01), Slator et al.
patent: 3690381 (1972-09-01), Slator et al.
patent: 3692107 (1972-09-01), Slator et al.
patent: 4621403 (1986-11-01), Babb et al.
patent: 4844166 (1989-07-01), Going, III et al.
patent: 4986362 (1991-01-01), Pleasants
patent: 5027903 (1991-07-01), Gipson
patent: 5092400 (1992-03-01), Jagert
patent: 5411081 (1995-05-01), Moore et al.
patent: 5411085 (1995-05-01), Moore et al.
patent: 5413170 (1995-05-01), Moore
patent: 5423383 (1995-06-01), Pringle
patent: 5425420 (1995-06-01), Pringle
patent: 5465793 (1995-11-01), Pringle
Brochure entitled "SafeSet" Coil Tubing Hangers published by Pedcor, Inc. of Houston, Texas.

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