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评价了改性淀粉、磺化酚醛树脂、磺化褐煤树脂和SC-1稳泡剂在水基可循环微泡沫钻井液体系的影响。
The effects of modified starch, sulfonated phenolic resin, sulfonated lignocellulosic resin and SC-1 foam stabilizer on water-based recycled micro-foam drilling fluid system were evaluated.