Wells – Processes – Distinct – separate injection and producing wells
Patent
1984-05-16
1986-02-25
Suchfield, George A.
Wells
Processes
Distinct, separate injection and producing wells
166274, 166309, E21B 4322
Patent
active
045722943
ABSTRACT:
An improved non-condensible gas injection process for recovering hydrocarbons from a subterranean formation. The process includes the use of alpha-olefin sulfonate surfactants along with the non-condensible gas to form a gas-foam drive medium which is injected into the formation through at lest one injection well to enhance the recovery of hydrocarbons from at least one production well.
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"Use of Surfactant to Reduce CO.sub.2 Mobility in Oil Displacement, by G. G. Bernard et al., Union Oil Company, SPE Journal, pp. 281-292 (8/1980).
Duerksen John H.
Knight Jack D.
Wall Robert G.
Chevron Research Company
Keeling E. J.
LaPaglia S. R.
Suchfield George A.
Zavell A. Stephen
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