Well drilling

Details Well drilling Well drilling

1987-12-14

1989-08-08

Neuder, William P.

Boring or penetrating the earth

With orienting or racking means for unconnected tools or...

414 2258, E21B 1914

Patent

active

048544000

ABSTRACT:
A drill rig installation has, for handling the elongate tubular well elements, a handling boom provided with grabs to lift the tubulars from the strongbacks and present them at the drilling axis. For this purpose the boom has pivot mountings for movements about a vertical axis and a horizontal axis respectively, and the grabs are displaceable transversely of the boom. A support pad for the tubular elements is transversely displaceable on the boom jointly with the grabs. The installation further comprises a grid-form base providing a fixed platform on which a drilling derrick can be slid to different grid positions to drill a series of bore holes. The base grid also carries the store of tubular elements and trolleys that register the elements with the handling boom, and other ancillary equipment such as slips and torque wrench machines for assembling and dismantling drill strings.

REFERENCES:
patent: 4486137 (1984-12-01), Buckner
patent: 4604724 (1986-08-01), Shaginian et al.
patent: 4652195 (1987-03-01), McArthur
patent: 4715761 (1987-12-01), Berry et al.

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