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Fremgangsmåte for plugging av et område i en hydrokarbonbærende höytemperatursformasjon med en kryssbundet akrylamidpolymergel
Fremgangsmåte for plugging av et område i en hydrokarbonbærende höytemperatursformasjon med en kryssbundet akrylamidpolymergel
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机译:用交联的丙烯酰胺聚合物凝胶堵塞含烃高温地层中的区域的方法
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摘要
A process for treating a region in a high-temperature hydrocarbon- bearing formation with a gel for hydrocarbon recovery applications. The gel is prepared by mixing a single aqueous gelation system at the surface comprising a solution of a polyvalent metal crosslinking agent and an unhydrolyzed acrylamide polymer. The system is injected into a desired treatment region of the high-temperature formation wherein the polymer is hydrolyzed in situ. The gelation system is then gelled to completion in the treatment region.
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