Research progress on improving shale stability of water-based drilling fluid by nano-materials

被引：1
|
作者：
Sun J. [1 ,2 ]
Li H. [1 ]
Lü K. [1 ]
Huang X. [1 ]
Yang Z. [2 ]
机构：
[1] School of Petroleum Engineering in China University of Petroleum (East China), Qingdao
[2] Research Institute of Engineering and Technology Limited, CNPC, Beijing
来源：
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) | 2024年 / 48卷 / 02期
关键词：
nano-materials; shale; water-based drilling fluids; wellbore stability;
D O I：
10.3969/j.issn.1673-5005.2024.02.008
中图分类号：
学科分类号：
摘要：
Maintaining wellbore stability has always been a technical challenge in oil and gas well drilling, which is particularly prominent in shale formations due to their micro and nano pores and laminae and high-water sensitivity. Improving the performance of drilling fluids is an important way to reduce wellbore instability. Nano-materials can be used as additives in water-based drilling fluids to enhance the stability of shale due to their unique particle size and properties. In this paper, the technical development of using nano-materials to enhance wellbore stability was reviewed, including the evaluation methods for shale stabilization, the types of nano-materials that can be used and their action mechanisms. It is important to conduct basic and theoretical research for nano-materials to be used in heterogeneous shale formation, develop new type of nano-materials that is stable and effective under high temperature, high pressure and high salt conditions, and establish microscopic methods for shale stabilization evaluation. © 2024 University of Petroleum, China. All rights reserved.
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页码：74 / 82
页数：8
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