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...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2023-08-01
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Series: | Arabian Journal of Chemistry |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1878535223003994 |