Mechanized stand handling apparatus for drilling rigs

Details Mechanized stand handling apparatus for drilling rigs Mechanized stand handling apparatus for drilling rigs

1981-05-27

1983-08-09

Spar, Robert J.

Material or article handling

Cylindrical bar handling device

Sequentially acting, diverse handling devices

414741, 294 94, E21B 1914

Patent

active

043976050

ABSTRACT:
Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands in a derrick, both in alignment with the rotary table and fully placed within the fingers, the stand handling mechanism being characterized by articulated arms extensible by actuator means housed entirely within the confines thereof for compactness.

REFERENCES:
patent: 2989198 (1961-06-01), Bradley
patent: 3093402 (1963-06-01), Sisson
patent: 3741517 (1973-06-01), Pogonowski
patent: 3863753 (1975-02-01), Shank, Jr.
patent: 3937514 (1976-02-01), Langowski
patent: 4126348 (1978-11-01), Palmer

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