Burn assisted fracturing of underground coal bed

Details Burn assisted fracturing of underground coal bed Burn assisted fracturing of underground coal bed

2006-05-30

2006-05-30

Bagnell, David (Department: 3672)

Wells

Processes

In situ combustion

C166S302000

Reexamination Certificate

active

07051809

ABSTRACT:
A method for fracturing subterranean coal formations by injecting air into the formation, igniting the coal, driving the fire away from the wellbore by injecting a cooling media into the burning formation adjacent the wellbore, and subsequently extinguishing the fire. The method allows fractionation and fracture crosion of subterranean coal formations and offers the benefit of increasing production of clean gas from the coal formation.

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