Process for partially or completely plugging permeable zones in a subterranean formation
作者： David O. Falk
DOI:
关键词: Polymer resin 、 Polymer chemistry 、 Aqueous solution 、 Polymer 、 Chemistry
摘要: Highly permeable zones in a subterranean formation are selectively plugged by injecting an aqueous solution of urea, aldehyde and acrylamide polymer via well into the highly zones. The forms resin situ at temperature from about 20° C. to 75° pH 3 9 over period 2 72 hours. resulting either partially or completely plugs formation.
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