APPLICATION OF FOAM FLUSHING FLUID ON DRILLING IN LUM FOR GAS DRAINAGE

Jin Yongjun. APPLICATION OF FOAM FLUSHING FLUID ON DRILLING IN LUM FOR GAS DRAINAGEJ. CHINA MINING MAGAZINE, 2003, 12(3): 37-38.

Citation:

Jin Yongjun. APPLICATION OF FOAM FLUSHING FLUID ON DRILLING IN LUM FOR GAS DRAINAGEJ. CHINA MINING MAGAZINE, 2003, 12(3): 37-38.

Citation:

Jin Yongjun. APPLICATION OF FOAM FLUSHING FLUID ON DRILLING IN LUM FOR GAS DRAINAGEJ. CHINA MINING MAGAZINE, 2003, 12(3): 37-38.

Abstract

It is a dilemma that both the hole should be formed and high gas permeability should be maintained while drilling the gas drainage hole in the lum.The adoption of foam flushing liquid can solve the problem and achieve a satisfactory effect.

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