Based on adsorption potential theory, the variable history of gas content in Xinggong coalfield was resumed.
本文采用吸附势理论恢复了荥巩煤田谷山井田煤层含气量变化史。
In recent years, some evidences of the gas hydrate were discovered during coal geological exploration in permafrost zones of Muli coalfield, Qilian Mountain, northern Qinghai-Tibet plateau.
在青藏高原北部祁连山区木里煤田多年冻土层煤炭地质勘查施工中，发现天然气水合物存在的证据。
There are conditions of seam gas formation in the Enhong basin and the Laochang coalfield of Laochang-Guishan basin.
恩洪盆地和老厂-圭山盆地老厂煤矿区具备了形成煤层气藏的条件。
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