Coiled tubing velocity string hangoff method and apparatus

Details Coiled tubing velocity string hangoff method and apparatus Coiled tubing velocity string hangoff method and apparatus

1990-07-17

1991-07-02

Novosad, Stephen J.

Wells

Processes

Placing or shifting well part

166 77, 166298, 166384, E21B 1922, E21B 2100, E21B 3303

Patent

active

050279033

ABSTRACT:
A method and apparatus for hanging off a coiled tubing velocity string in an existing, active gas production well. The method allows for the "hot" tapping into a charged coiled tubing run thereby eliminating the need for an end plug and blow out equipment on site. A sealed cutter assembly is connected to the hangoff assembly, the charged coiled tube is cut, and back pressure leakage is avoided by the use of a hangoff head which seals in two directions. The cutter assembly is removed and the coiled tubing velocity string is piped to a new sales line.

REFERENCES:
patent: 3690381 (1972-09-01), Slator et al.
patent: 3791447 (1974-02-01), Smith et al.
patent: 3920076 (1975-11-01), Laky
patent: 4621403 (1986-11-01), Babb et al.
patent: 4844166 (1989-07-01), Going, III et al.
patent: 4856590 (1989-08-01), Caillier

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