专利名称：PVA GEL FOR RETARDING FLUID FLOW发明人：MATHEW L. MARROCCO,BURTON BURNS
SANDIFORD,ROGER CARROLL ZILLMER,CHII-CHYOUNG CHIOU
申请号：AU3077584申请日：19840717公开号：AU3077584A公开日：19850124
摘要：A polyvinyl alcohol-aldehyde gel having a high water content and low degree ofcrosslinking is provided which has improved stability. The gel can be used to retard theflow of water in subterranean formation encountered in hydrocarbon production. Oneembodiment of the invention provides a method of forming the gel in-situ in the pores ofsubterranean zones thereby retarding or blocking the flow of water therein.
申请人：CITIES SERVICE OIL + GAS CORP.
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