Chemically induced stimulation of subterranean carbonaceous form

Details Chemically induced stimulation of subterranean carbonaceous form Chemically induced stimulation of subterranean carbonaceous form

1997-10-16

1999-08-31

Suchfield, George

Wells

Processes

Cyclic injection then production of a single well

166245, 166271, 1663051, E21B 4317, E21B 4325, E21B 4326, E21B 4330

Patent

active

059441046

ABSTRACT:
A method for increasing the methane recovery from a subterranean carbonaceous formation by chemically stimulating the formation of cleats and increasing the surface area in the carbonaceous formation by injecting a gaseous oxidant into the carbonaceous formation to stimulate the formation of cleats in and increase the surface area of carbonaceous material in the carbonaceous formation; and thereafter producing methane from the carbonaceous formation at an increased rate. The gaseous oxidant may be ozone, oxygen or combinations thereof.

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