Permeability-increasing type gas extraction plugging method for mine rock mass drilling hole

• Main Authors: SONG WENCHENG, MA KE, QIAN XIKUN, XUE RUIXIONG, LIANG ZHENGZHAO, ZHAO CHUNBO, MA TIANHUI
• Format: Patent
• Language: Chinese; English
• Published: 06.03.2018
• Subjects: 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

The invention discloses a permeability-increasing type gas extraction plugging method for a mine rock drilling hole. The permeability-increasing type gas extraction plugging method solves the problemsthat in the prior art, the plugging effect of a mine rock mass drilling hole is poor and the collect...