Pipe hanger

Details Pipe hanger Pipe hanger

1980-02-14

1981-12-22

Arola, Dave W.

Pipe joints or couplings

Serial,relatively movable portions

Plural swivels

24263D, F16L 2100

Patent

active

043067425

ABSTRACT:
A pipe hanger for supporting and sealing a tubular conduit in a producing well. The initial application of the tubular conduit weight to the hanger automatically actuates the seal and both sets of pipe gripping members. The upper set of pipe gripping slips initiates support of the tubular conduit and actuation of the seal and lower pipe gripping members. The lower pipe gripping members are moved radially inwardly by deformation of a resilient annular ring that is then contained within an enclosed chamber to prevent inadvertent release of the lower pipe gripping members.

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patent: 3127197 (1964-03-01), Kretzschmer
patent: 3130987 (1964-04-01), Johnson
patent: 3287035 (1966-11-01), Greenwood
patent: 3329448 (1967-07-01), Allen
patent: 3437356 (1969-04-01), Todd et al.
patent: 3994517 (1976-11-01), Carmichael et al.
patent: 4152015 (1979-05-01), Jones et al.

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