复合盐-胺基钻井液技术在内蒙拐13井的应用

Jun XIE,Xiqiang SI,Shanju WANG, Fengtao LIU, Fanchao WANG

Advances in Fine Petrochemicals(2020)

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Abstract
内蒙探区二开制井身结构井存在多套易井壁失稳的泥岩,且裸眼段长,前期钻井过程中存在井壁失稳垮塌、CO2污染及电测频繁遇阻问题,影响勘探开发进度.针对这些问题,在氯化钾钻井液体系基础上,通过引入氯化钙、新型支化聚醚胺形成强抑制性复合盐-胺基钻井液体系,并在内蒙拐13井进行了首次应用,解决了前期勘探井中存在的泥岩井壁失稳及完井电测遇阻难题.
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