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从各类多元有机膦酸盐及衍生物中筛选出钻井液降粘剂NTF u ,在室内对其降粘性能进行了全面评价 ,综述了现场应用效果 ,并归纳出其应用特性
From all kinds of organic phosphonates and derivatives of drilling fluid viscosity reducer NTF u, its viscosity-reducing properties in a comprehensive evaluation of the indoor application field, summarized the effect and summarized its application characteristics