Well apparatus

Details Well apparatus Well apparatus

1992-06-05

1993-07-13

Bui, Thuy M.

Wells

Detents or clutches

E21B 2300

Patent

active

052264939

ABSTRACT:
An apparatus for use in lowering a mandrel type casing hanger into a well bore for landing within a casing, and then, when the hanger is so landed, rotating the casing connecting it to a mudline hanger installed at the subsea level in either rotational direction without disconnecting the threaded connection of the apparatus to the mandrel type hanger.

REFERENCES:
patent: 4715445 (1987-12-01), Smith, Jr.
patent: 4989679 (1991-02-01), Chaffaunt
patent: 5048612 (1991-09-01), Cochran
patent: 5158142 (1992-10-01), Miszewski et al.

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