Multi-scale pore structure transformation of shale under mixed acid acidification method

Most of the acid fluids used in the existing acidfrac process have the shortcomings of plugging pores, polluting formation and poor effect. The method of adding nitric acid in a specific proportion to conventional acid can avoid the above problems to a certain extent. A mixture of HCl: HF: HNO3 (3:1...

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Bibliographic Details
Main Authors: Liang Wang, Minxuan Liu, Yuechen Zhao, Xiaoxue Liao, Jing Li, Ziang Zhao, Qingquan Liu
Format: Article
Language:English
Published: Elsevier 2023-08-01
Series:Arabian Journal of Chemistry
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1878535223003994