SEGMENTED FRACTURING HORIZONTAL WELL COAL SEAM GAS EXTRACTION METHOD FOR BROKEN SOFT LOW-PERMEABILITY COAL SEAM ROOF OR FLOOR

Disclosed is a segmented fracturing horizontal well coal seam gas extraction method for a broken soft low-permeability coal seam roof or floor, the method comprising: determining the type of a horizontal well on the basis of exploration data and mine data; determining the position of the horizontal...

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Hauptverfasser:	SHU, Jiansheng, XU, Yaobo, ZHANG, Peihe, FAN, Yao, LIU, Jia, LIU, Lei, LI, Bingang, CHEN, Gang, LI, Haozhe, PANG, Tao, ZHOU, Jiajia, DU, Xinfeng, ZHANG, Qun, JIANG, Wenping, ZHAO, Long, WANG, Cheng, JIANG, Zaibing, LIU, Baigen
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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