Wells – Processes – In situ combustion
Patent
1986-05-16
1987-09-01
Suchfield, George A.
Wells
Processes
In situ combustion
166256, E21B 43243
Patent
active
046902155
ABSTRACT:
Enhanced oil recovery from a crude oil reservoir is promoted following primary oil production, by subjecting the reservoir to water flooding, discontinuing the water flooding, preferably when the remaining oil is at an OIP level above 0.10, and then subjecting the reservoir to fireflooding with gas having an O.sub.2 content of at least 50%, preferably above 85%.
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Hansel James G.
Roberts George W.
Shahani Goutam H.
Air Products and Chemicals Inc.
Innis E. Eugene
Jones II Willard
Simmons James C.
Suchfield George A.
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