Auxiliary pressurizing device for coal bed gas exploitation well drilling

The utility model relates to the technical field of resource exploitation, and discloses an auxiliary pressurizing device for coalbed methane exploitation well drilling, the auxiliary pressurizing device comprises a tubular column and a pressurizing box, the tubular column is located below the press...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN SHAOBO, ZHANG MENGLE, HAO DENGFENG, LI XUEBIN, LYU BAOGUANG, SUN PENG, JIN GUANGJUN, LI ZHIBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS 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 ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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