A new type of coal core sampler

LIU Meng-xi, LIU Hui, WANG Yan-jun. A new type of coal core sampler[J]. COAL GEOLOGY & EXPLORATION, 2001, 29(4): 60-62.

Citation:

LIU Meng-xi, LIU Hui, WANG Yan-jun. A new type of coal core sampler[J]. COAL GEOLOGY & EXPLORATION, 2001, 29(4): 60-62.

Citation:

LIU Meng-xi, LIU Hui, WANG Yan-jun. A new type of coal core sampler[J]. COAL GEOLOGY & EXPLORATION, 2001, 29(4): 60-62.

Abstract

The exploration quality is greatly influenced by the quality of coal core sampling.It is introduced that a kind of core sampler for deep holes at the depth of 500-1000 m,with the sampling tate of 90%.

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