Cable feed-through method and apparatus for well head constructi

Details Cable feed-through method and apparatus for well head constructi Cable feed-through method and apparatus for well head constructi

1977-10-31

1979-05-15

Pate, III, William

Wells

Valves, closures or changeable restrictors

166 65R, 166 88, 339 94M, E21B 3303

Patent

active

041543025

ABSTRACT:
An improved cable feed-through apparatus and method for wellheads including a unitary shell having a plurality of knock-down components therein. A plurality of parallel spaced conductors are inserted through rigid spacing and compression rings with upper and lower exposed ends for providing coupling to electric feed cables. The conductors are insulated throughout by resilient sleeves which are removably mounted in the shell. When assembled, as the shell is threaded into a hanger of a well casing head, the resilient sleeves are compressed and forced together to form a pressure-tight, insulated cable feed through device.

REFERENCES:
patent: 3437149 (1969-04-01), Cugini et al.
patent: 3803531 (1974-04-01), Sorensen
patent: 3986765 (1976-10-01), Shaffer
patent: 4053196 (1977-10-01), Dunaway
patent: 4085993 (1978-04-01), Cairns

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