Wells – Processes – Assembling well part
Patent
1996-03-12
1998-03-17
Neuder, William P.
Wells
Processes
Assembling well part
166 883, E21B 1910, E21B 3304
Patent
active
057276315
ABSTRACT:
A coiled tubing hanger including a hanger bowl, a slip bowl supported in the hanger body, a plurality of slip segments disposed in the slip bowl so as to be movable between a retracted position wherein the tubular member is able to pass through the coiled tubing hanger and an extended position wherein a serrated surface of the slip segments engages the coiled tubing and forces the slip segments along the slip bowl so as to wedge the slip segments between the slip bowl and the coiled tubing to hold the coiled tubing. The slip segments are biased in the retracted position with a pair of slip retaining rings and the slip segments are moved between the retracted portion and the extended position with a plurality of spring-loaded pins disposed through the hanger body and engagable against the outer side of the slip segments such that the slip segments are disposed in the extended position when the pins are urged inwardly and such that the slip segments are biased in the retracted position when the pins are urged outwardly.
REFERENCES:
patent: 2312487 (1943-03-01), Roach et al.
patent: 4541490 (1985-09-01), Bigbie et al.
patent: 4554971 (1985-11-01), Cobb
patent: 5092400 (1992-03-01), Jagert
patent: 5515925 (1996-05-01), Boychuk
PEDCOR product brochure "Pedcor Safeset Coil Tubing Hanger," not dated.
Wellhead Control Products, Inc. booklet "Coiled Tubing Hanger Systems for Live Well Installations," not dated.
Specialty Wellhead & Tool Company booklet "Coiled Tubing Products," not dated.
Baker Dwight
Baker James C.
Neuder William P.
Total Tool, Inc.
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