讨论了淮南煤田第四含煤段砂体的演化特征及其对13 - 1煤层厚度的影响。

This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field.

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影响煤层气产量的主要因素是煤层渗透率、煤层厚度及含气量。

The main factors of influencing coal-bed gas production are permeability, thickness, and gas-bearing volume of the coal-bed.

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综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。

This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.

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