Method for in-situ recovery of methane from deeply buried coal s

Details Method for in-situ recovery of methane from deeply buried coal s Method for in-situ recovery of methane from deeply buried coal s

1978-12-19

1981-01-20

Pate, III, William F.

Wells

Processes

Distinct, separate injection and producing wells

166308, 299 2, 299 12, 299 17, E21B 4325

Patent

active

042456991

ABSTRACT:
An improved method for the in situ recovery of methane from a plurality of coal seams beneath the earth's surface. At least one borehole is driven from the surface into a selected coal seam wherein a plurality of cavities are formed. The coal walls intermediate said cavities and the strata overlying said cavities are caused to collapse suddenly thereby forming fissure systems into the coal bearing rock strata from which methane is released. The methane is withdrawn via the fissure systems, cavities and the borehole. The cavities may be formed by chemical, physical or mechanical recovery of the coal.

REFERENCES:
patent: 3529867 (1970-09-01), Vande Sande
patent: 3650564 (1972-03-01), Williamson
patent: 3743353 (1973-07-01), Blackwell et al.
patent: 3814480 (1974-06-01), Dahl
patent: 3934649 (1976-01-01), Pasini et al.
patent: 3961824 (1976-06-01), Eck et al.
patent: 4089374 (1978-05-01), Terry

Affiliated with

Also associated with

Rating

Method for in-situ recovery of methane from deeply buried coal s does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for in-situ recovery of methane from deeply buried coal s, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for in-situ recovery of methane from deeply buried coal s will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1762425