Mechanized stand handling apparatus for drilling rigs

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

1979-06-05

1981-06-23

Kunin, Stephen G.

Material or article handling

Well pipe or rod racking mechanism

With slope change

175 85, 294106, 414 4, 414745, 414733, E21B 1915

Patent

active

042747783

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 racking fingers, the stand handling mechanism being characterized by articulated arms extensible by actuator apparatus housed entirely within the confines thereof for compactness.

REFERENCES:
patent: 426655 (1890-04-01), Bennett
patent: 2998887 (1961-09-01), Sommer
patent: 3033059 (1962-05-01), Melton et al.
patent: 3702640 (1972-11-01), Cintract et al.
patent: 3731821 (1973-05-01), Wallis
patent: 3768663 (1973-10-01), Turner et al.
patent: 3845284 (1974-10-01), Taguchi et al.
patent: 3874518 (1975-04-01), Swoboda et al.
patent: 3929368 (1975-12-01), Ryden et al.
patent: 4077525 (1978-03-01), Callegari et al.

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