于洪江,张美画,杜春保,高明慧,常紫汐

• 1:西安石油大学化学化工学院

摘要(Abstract)：

制备了防泥包润滑剂FNBJ,研究了FNBJ的润滑性、耐温性、防泥包性和缓蚀性。结果表明，在水基钻井液中加入质量分数1.0%的FNBJ可使润滑系数降低率达到89.2%;FNBJ具有较好的耐温性，在180℃下热滚16 h,摩阻系数为0.066 0;当FNBJ质量分数为1.5%时，防泥包效果显著，泥包黏土量降低率达96.1%。此外，在90℃下，FNBJ的缓蚀效率达95.0%。FNBJ具有较低的表面张力，FNBJ分子中的极性基团易吸附在钻头表面，非极性疏水链段排列在外形成疏水油膜，从而提高钻井液的润滑性，达到防泥包的目的。

关键词(KeyWords)： 水基钻井液;润滑剂;防泥包;润滑系数;耐温;油膜

Abstract:

Keywords:

基金项目(Foundation): 西安石油大学研究生创新与实践能力培养计划项目“抗温抗盐改性淀粉降滤失剂的研究”(YCS19213133)

作者(Author): 于洪江,张美画,杜春保,高明慧,常紫汐

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