Research on law of hydraulic fracturing crack propagation controlled by multi-preset slots in long drilling of coal seam

Preset slot is an effective control measure to solve the blank zone problem appeared in the coal and rock mass hydraulic fracturing. Taking Tangkou Coal Mine as an example, RFPA software was used to analyze the crack propagation law controlled by the preset slots on the long drilling along the coal...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Author:	XUE Weichao, LI Yanzeng, QI Liming, QIU Haisheng, JI Huaijun
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2021-04-01
Subjects:	preset slot slot spacing hydraulic fracturing crack propagation opening angle crack length expansion pressure
Online Access:	https://www.mkaqzz.com/cn/article/id/7408