Drill string element handling apparatus

Details Drill string element handling apparatus Drill string element handling apparatus

1974-12-16

1976-10-19

Abbott, Frank L.

Boring or penetrating the earth

With magazine for successively moving unconnected, oriented...

173164, 175 85, 175209, 211 60S, 214 25, E21B 1914

Patent

active

039865690

ABSTRACT:
An arrangement for the handling of drill string elements, such as tubes or rods, in drill rigs, comprising means for transferring the drill string elements between a magazine and the drill string axis, a drill string centralizer at the front end of an elongated support for guiding the drill string, a spinning device on said transferring means for gripping and rotating a drill string element, said means being adapted to axially displace the drill string element during rotation thereof, and a sleeve brake mounted on the drilling machine for non-rotatably holding a coupling sleeve when the adapter of the drilling machine is disconnected from the drill string.

REFERENCES:
patent: 2107552 (1938-02-01), Smith
patent: 2669431 (1954-02-01), Crowell
patent: 2734723 (1956-02-01), Larcen
patent: 2972388 (1961-02-01), Thornburg
patent: 3158212 (1964-11-01), Fanshawe et al.
patent: 3177944 (1965-04-01), Knights
patent: 3286777 (1966-11-01), Gyongyosi
patent: 3328052 (1967-06-01), Nilsson
patent: 3506075 (1970-04-01), Attebo
patent: 3612190 (1971-10-01), Wills

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