Positive tubing release coupling

Details Positive tubing release coupling Positive tubing release coupling

1976-06-01

1978-01-03

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285315, 285319, F16L 3708

Patent

active

040662829

ABSTRACT:
A positive tubing releasable coupling apparatus which is interposed within a tubing string, and the string subsequently parted by separating various component parts of the coupling from one another. A wireline fishing tool is used for actuating the releasing mechanism.

REFERENCES:
patent: 2409811 (1946-10-01), Taylor, Jr. et al.
patent: 2532686 (1950-12-01), Ware
patent: 2737248 (1956-03-01), Baker
patent: 3071188 (1963-01-01), Raulins
patent: 3136366 (1964-06-01), Brown et al.
patent: 3148894 (1964-09-01), Schwab

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