Method for reducing the permeability of subterranean formations to brines
作者： James E. Hessert , Richard L. Clampitt , Curtis B. Threlkeld
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摘要: A method for reducing the quantity of water produced from a well bore-penetrated subterranean formation and increasing production rate fluid hydrocarbons said formation. Said comprises injecting into an aqueous solution partially hydrolyzed polyacrylamide, contacting polyacrylamide in situ with containing divalent and/or trivalent metal cations.
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