Method for dewatering a subterranean formation via a borehole

Details Method for dewatering a subterranean formation via a borehole Method for dewatering a subterranean formation via a borehole

1979-12-07

1982-09-14

Corbin, David H.

Mining or in situ disintegration of hard material

Processes

166 50, 405132, E21C 4100

Patent

active

043492282

ABSTRACT:
An improvement in a method for communicating the surface and a subterranean coal seam via a borehole positioned to provide access for the positioning of power transmission and fluid transmission lines from the seam to the surface, the improvement comprising; extending a portion of the borehole beneath the seam, casing at least a portion of the extension of the borehole and thereafter pumping water from the borehole extension.

REFERENCES:
patent: 435648 (1890-09-01), Johnston
patent: 893988 (1908-07-01), Durack
patent: 1269090 (1918-06-01), Kistler
patent: 2164266 (1939-06-01), Armentrout et al.
patent: 2622683 (1952-12-01), Silitch et al.
patent: 2787125 (1957-04-01), Benz

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