Casing lined oil or gas well

Details Casing lined oil or gas well Casing lined oil or gas well

1990-10-05

1992-02-04

Novosad, Stephen J.

Wells

Conduit wall or specific conduit end structure

Downhole coupling or connector

166285, 285 3, 285165, 285302, E21B 1708, E21B 3314, F16L 2712

Patent

active

050852736

ABSTRACT:
There is disclosed an oil or gas well having a well bore which penetrates a production zone and a casing string which is anchored in the well bore by a column of cement bonded to the casing string and well bore. Connectors are installed as part of the casing string to permit portions thereof opposite the production zone and above the production zone to be respectively contracted or extended in response to subsidence or other causes of axial loading of the string through the cement column.

REFERENCES:
patent: 2712854 (1955-07-01), Creighton
patent: 2900028 (1959-08-01), Hanes
patent: 3399548 (1968-09-01), Burns
patent: 3531236 (1970-09-01), Braddick et al.
patent: 3936080 (1976-02-01), Bennett
patent: 4285533 (1981-08-01), Silberman et al.

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