Releasable coupling

Details Releasable coupling Releasable coupling

1974-10-23

1976-06-29

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285315, F16L 3722

Patent

active

039662365

ABSTRACT:
A releasable coupling which can be interposed within a tubing string and the string subsequently parted by separating parts of the coupling from one another. A wire line fishing tool is used for actuating the releasing mechanism.

REFERENCES:
patent: 1324654 (1919-12-01), Ferguson
patent: 2409811 (1946-10-01), Taylor et al.
patent: 3761117 (1973-09-01), Shendure
patent: 3827258 (1974-08-01), Kammerer et al.

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