Method and apparatus for installing multiple pipe strings in und

Details Method and apparatus for installing multiple pipe strings in und Method and apparatus for installing multiple pipe strings in und

1980-02-11

1981-11-03

Pate III, William F.

Wells

Valves, closures or changeable restrictors

166341, 166348, 166362, 285 18, E21B 33035

Patent

active

042980674

ABSTRACT:
Method and apparatus for installing multiple strings of pipe in underwater wells in which, just prior to landing of the hanger for the multiple pipe strings, the weight of the strings is carried by a support ring releasably secured to a body member through an antifriction bearing so that rotational orientation can be accomplished.

REFERENCES:
patent: 3653435 (1972-04-01), Reistle et al.
patent: 3807497 (1974-04-01), Baugh
patent: 3934648 (1976-01-01), Amancharla et al.
patent: 4053023 (1977-10-01), Herd

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