当水基泡沫用于处理反常的低压地层或存在压裂后返排问题的底层时，一般都表现出优异的压裂返排特性。
Aqueous foam usually exhibit excellent post fracture cleanup characteristics when used in stimulating abnormally low-pressured reservoirs or reservoirs that present post fracture cleanup problem.
研究了以聚酯多元醇和异氰酸酯为主原料，采用水基发泡新工艺制取软质聚氨酯泡沫的配方。
A formula has been developed for making the soft polyurethane foamed plastic with polyester polylol and isocyanate as the raw materials by a new water foamed technology.
研究了以聚酯多元醇和异氰酸酯为主原料，采用水基发泡新工艺制取软质聚氨酯泡沫的配方。
A formula has been developed for making the soft polyurethane foamed plastic with polyester polylol and isocyanate as the raw materials by a new water foamed technology.
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