Releasable overshot

Details Releasable overshot Releasable overshot

1990-11-26

1991-10-08

Focarino, Margaret A.

Handling: hand and hoist-line implements

Grapple

Well type

294 8617, E21B 3118

Patent

active

050548336

ABSTRACT:
A releasable overshot having independent slips, for retrieval of downhole tools and other equipment, which can be operated with a wireline, tubing, coiled tubing, or drill pipe string.

REFERENCES:
patent: 1033531 (1912-07-01), Brown
patent: 1416930 (1922-05-01), Ball
patent: 1433146 (1922-10-01), Neilson
patent: 1455499 (1923-05-01), Lang
patent: 1764481 (1930-06-01), Watkins
patent: 1775291 (1930-09-01), Niles
patent: 2094419 (1937-09-01), Shannon
patent: 2123036 (1938-07-01), Bozeman
patent: 3152829 (1964-10-01), Steele, Sr.
patent: 3950021 (1976-04-01), Goldschild et al.
patent: 4185865 (1980-01-01), Taylor

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