Wells – Processes – Specific pattern of plural wells
Patent
1982-04-08
1984-05-08
Suchfield, George A.
Wells
Processes
Specific pattern of plural wells
166 50, 166259, 166299, E21B 43247, E21B 4330
Patent
active
044469187
ABSTRACT:
A method for initiating combustion in a subterranean carbonaceous deposit by positioning at least two wellbores from the surface into the subterranean deposit; extending a first borehole substantially horizontally from a first wellbore into the vicinity of a second wellbore; extending a second borehole substantially horizontally from a second wellbore into the vicinity of the first wellbore; positioning an explosive charge in at least one of the boreholes; detonating the explosive charge to produce a rubblized zone between the first wellbore and the second wellbore; injecting a free-oxygen containing gas into the carbonaceous deposit through one of the wellbores; and igniting the carbonaceous deposit at one of the wellbores.
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Atlantic Richfield Company
Scott F. Lindsey
Suchfield George A.
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