Integral hose plug-in-free type gas hole packer

The utility model discloses an integral hose plug-free type gas hole packer. The hole packer comprises a built-in double-hole drainage hose, a front water-permeable slurry-retaining cloth bag, a rear water-permeable slurry-retaining cloth bag and an anti-blocking end, a bag grouting pipe and a middl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JINLONG, LI HUI, MOU WEIYE, YIN WEI, YANG YONGXIN, JIANG MING, ZHU SHENGXUE, SHAO XIAOJUN, WANG LIANG, WANG QIANG, LIU CHAO, NI SUNPENG
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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