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Process to improve hydrocarbon recovery by decreasing injection solution viscosity and improving solution screen factor
Process to improve hydrocarbon recovery by decreasing injection solution viscosity and improving solution screen factor
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机译:通过降低注入溶液粘度和改善溶液筛分系数来改善烃采收率的方法
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摘要
An aqueous solution comprised of partially hydrolyzed polyacrylamide and an ethoxylated alcohol, is injected into a subterranean hydrocarbon bearing formation via an injection well followed by injection of a drive fluid. The solution displaces hydrocarbons from formation pores and the drive fluid pushes the displaced hydrocarbon and the aqueous solution toward a production well enhancing hydrocarbon production. The ethoxylated alcohol decreases solution viscosity and increases solution screen factors resulting in improved injectivity, improved mobility control and ultimately improved hydrocarbon production.
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