Abstract
Hydraulic fracturing is one of the most effective methods to improve the permeability of coal seams at present. In order to promote the development of hydraulic fracturing technology in coal mines, the current development of hydraulic fracturing technology in coal mines is summarized from three aspects of hydraulic fracturing influencing factors, hydraulic fracturing methods and processes, and hydraulic fracturing effect evaluation. It is believed that the mechanism of hydraulic fracturing influencing factors, intelligent fracturing equipment, and systematic fracturing effect evaluation methods need further in-depth study.
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