Drilling derrick with external pipe storage

Details Drilling derrick with external pipe storage Drilling derrick with external pipe storage

1986-11-24

1988-05-17

Paperner, Leslie J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

175 52, 211 704, E21B 1914

Patent

active

047447109

ABSTRACT:
A drilling rig which may have a beta mast is used for drilling holes in the earth. The mast has four quadrants. On one side there is located the drawworks. On a side 90.degree. therefrom is the side having the V door through which drilling pipe can be raised and lowered by the traveling block. In the quadrant 180.degree. from the V-door is a pipe racking board. The racking board is outside the normal work area within the derrick. Thus, one can obtain entry of the drill pipe through the V door without the pipe stored in the racking board interferring therewith. With this design there is no limitation to the amount of pipe that can be stored.

REFERENCES:
patent: Re29541 (1978-02-01), Russell
patent: 3365008 (1968-01-01), Zimmerman et al.
patent: 3513996 (1970-05-01), Woolslayer et al.
patent: 3716149 (1973-02-01), Scaggs
patent: 3840128 (1974-10-01), Swoboda et al.
patent: 4208158 (1980-06-01), Davies et al.
patent: 4417846 (1983-11-01), Elliston
patent: 4610315 (1986-09-01), Koga et al.

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