id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-23459	Lu, Zhanjin	Research on Segmented Hydraulic Fracturing Technology for Directional Long Boreholes in Coal Mines	2024	4	.pdf	application/pdf	3051	133	54	China Abstract: Hydraulic fracturing in coal mines is an advanced technology that reduces pressure, increases permeability, and effectively improves the effectiveness of coal seam gas extraction. In order to improve coal seam gas extraction and effectively prevent gas disasters in Daning Coal Mine, the segmented hydraulic fracturing process and its crack propagation law were analyzed.	cache/ajst-23459.pdf	txt/ajst-23459.txt