Modular well drilling apparatus and methods

Details Modular well drilling apparatus and methods Modular well drilling apparatus and methods

1987-12-10

1990-02-13

Watts, Douglas D.

Tool driving or impacting

With indicating or signaling means

173 28, 173 22, 173163, 175 85, E21B 702

Patent

active

048998320

ABSTRACT:
A highly automated well drilling apparatus that is transportable in modular units to a well site where the units are rapidly assembled into an integrated operational assembly. The apparatus includes a drilling unit and two raising units that are locked to the respective opposite sides thereof. After base structures on the raising units are lowered to the ground to provide a support, the towers of the raising units and the mast of the drilling unit are simultaneously elevated to the vertical. The same raising units then are employed to erect pipe supply frames that are connected to the front of each tower. The drilling unit includes a top rotary drive, an automated power tong, and a pipe handling system that are remotely operated from a control center. Power supply, mud return, mud supply and mud pump units also are located in a unique array adjacent the drilling unit to provide an integrated and efficient drilling system.

REFERENCES:
patent: 3280920 (1966-10-01), Scott
patent: 3499498 (1970-03-01), Bromell et al.
patent: 3650339 (1972-03-01), Selfe et al.
patent: 4106575 (1978-08-01), Bunnelle
patent: 4258796 (1981-03-01), Horning et al.

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