Casing hanger and stabilizer apparatus and method

Details Casing hanger and stabilizer apparatus and method Casing hanger and stabilizer apparatus and method

1980-06-27

1982-04-27

Novosad, Stephen J.

Wells

Processes

Assembling well part

166 93, 285144, E21B 1910, E21B 3304

Patent

active

043265871

ABSTRACT:
A method and apparatus for stabilizing an interior surface pipe within an exterior casing pipe are disclosed. The casing stabilizer apparatus comprises a cylindrical separable hanger body made up of a pair of body half-sections. Each body half-section includes tapered exterior walls and an interior bore with serrated teeth therein for gripping a surface pipe placed within said bore when assembled. A downward depending lip portion defining a space for engaging the uppermost end of the exterior casing pipe is also provided on each hanger body half-section. A locking means is provided for securing the body half-sections together. The hanger body is attached to an interior surface pipe above the exterior casing pipe, and then lowered onto the exterior casing pipe.

REFERENCES:
patent: 1627945 (1927-05-01), Wigle
patent: 1646639 (1927-10-01), Crowell
patent: 2144227 (1939-01-01), Penick et al.
patent: 2712455 (1955-07-01), Neilon
patent: 2768007 (1956-10-01), Brenner

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