THE STUDY OF CONTROL TECHNOLOGY OF BOREHOLE LEAKAGE

WANG Wen-chen. THE STUDY OF CONTROL TECHNOLOGY OF BOREHOLE LEAKAGE[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(2): 62-65,71,72.

Citation:

WANG Wen-chen. THE STUDY OF CONTROL TECHNOLOGY OF BOREHOLE LEAKAGE[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(2): 62-65,71,72.

Citation:

WANG Wen-chen. THE STUDY OF CONTROL TECHNOLOGY OF BOREHOLE LEAKAGE[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(2): 62-65,71,72.

Abstract

The study analysed the applying conditions and method of aerated mud, and discussed the control of borehole leakage during diamond drilling. It generalized and introduced the proper methods and materials of sealing minute, larger and steep fissures in the drill-hole wall.

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