A novel low molecular quaternary polymer as shale hydration inhibitor

Tengfei Dong,Guancheng Jiang,Yinbo He,Lili Yang, Sihe Jiang,Yong Yang, Yun Zhu

Journal of Molecular Liquids（2023）

引用 2|浏览12

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摘要

•DVAA can effectively resist the high temperature at the bottom of the well.•DVAA can improve the electrostatic repulsion between montmorillonite particles, maintain electric double-layer structure.•DVAA can form a film on the shale surface and effectively increase the contact angle.

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关键词

Low molecular,Quaternary polymer,Rheology,Shale formation,Hydration

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