A well bore treatment fluid and methods for selectively reducing the outflow of water during recovery of hydrocarbons from a hydrocarbon reservoir in a formation are described, wherein fluid contains 5 to 40 weight per cent of a dissolved compound based on α-branched carboxylic acid, derivatives or co-polymers thereof, and capable of forming a precipitate that is substantially soluble in hydrocarbons and substantially insoluble in water.
描述了一种井眼处理液和方法,用于在从地层中的油气储层中回收烃类期间有选择地减少
水的流出,其中液体含有基于α-支链
羧酸、其衍
生物或共聚物的溶解化合物,其含量为5至40重量%,并能形成在烃类中基本上可溶而在
水中基本上不溶的沉淀物。