Paraffin Deposit is serious in the production oil wells of Guangbei Oilfield because of water sensitivity.

广北油田为水敏油田,生产油井结蜡严重.

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Reservoir exist strong formation damage of water sensitivity, salt sensitivity and alkali sensitivity and so on.

储层存在较强的水敏损害 、 盐敏损害、碱敏损害等.

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