Optimal coal mine gas extraction negative pressure determination method and coal mine gas extraction negative pressure determination system

The embodiment of the invention discloses an optimal coal mine gas extraction negative pressure determination method and a coal mine gas extraction negative pressure determination system, relates to the technical field of coal mine gas extraction, and aims to determine reasonable extraction negative...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO KAI, ZHANG JIANGUO, ZHANG YONGPENG, ZHANG YIMIN, FENG ZHICHENG, WEI FENGQING, YUE JINGLONG
Format:	Patent
Sprache:	chi ; eng
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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