Grapple connection for coiled tubing

Details Grapple connection for coiled tubing Grapple connection for coiled tubing

1989-03-27

1990-06-26

Arola, Dave W.

Handling: hand and hoist-line implements

Grapple

Well type

285 39, F16L 3500, E21B 3102

Patent

active

049366181

ABSTRACT:
A grapple connection for interconnecting coiled tubing with a well tool comprises first and second tapered split rings and a double-tapered intermediate split ring enclosed in a cylindrical, threaded housing.
When the housing is rotated with threaded engagement of the housing to a compression ring and the well tool, the well tool and the compression ring bear against the split rings causing the tapered surfaces to press the grapples inwardly and the intermediate ring outwardly to effect a tight interconnection between the coiled tubing and the well too.

REFERENCES:
patent: 1640847 (1927-08-01), Neilson
patent: 1734338 (1929-11-01), Neilson
patent: 3191981 (1965-06-01), Osmun
patent: 3727967 (1973-04-01), Anastosia et al.

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