Casing hanger

Details Casing hanger Casing hanger

1982-03-22

1985-01-22

Callaghan, Thomas F.

Pipe joints or couplings

Serial,relatively movable portions

Linked ball and socket portions

285147, F16L 3900

Patent

active

044947780

ABSTRACT:
A casing hanger for hanging well casing and sealing the well pressure from the atmosphere. The casing hanger comprises a cooperating slip and slip bowl adapted to grip and retain the well casing when they abut a cooperating shoulder on the casing head whereupon the casing hanger will be in its operating position. A seal is adapted to be compressed when the casing hanger is moved downwardly and forms the seal when the casing hanger reaches its operating position. A manually adjustable bolt can increase or decrease the seal pressure without disturbing the well casing.

REFERENCES:
patent: 2610689 (1952-09-01), Eckel
patent: 2874437 (1959-02-01), Anderson
patent: 3068027 (1962-12-01), Lewis et al.
patent: 3130987 (1964-04-01), Johnson
patent: 3329448 (1967-07-01), Allen

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