本文介绍了世界低煤阶煤炭资源及其分类。
The resources of low rank coal in the world have introduced in this paper.
低煤阶煤层气富集成藏具有自身独特的特点。
Enrichment and accumulation of coalbed methane in low rank coal have their own unique characteristics.
研究认为高矿化度有利于高煤阶煤层气富集成藏，低矿化度是低煤阶煤层气的富集成藏的有利条件。
It is proved that the high salinity is the advantageous factor for the high rank CBM reservoir enrichment and formation, whi...
为了研究水文地质条件对低煤阶煤层气成藏的控制作用，对美国粉河盆地和我国准噶尔盆地进行了对比研究。
This paper deals with favorable and unfavorable factors of uranium mineralization in the Lianghe basin based on hydrogeological, palaeohydrogeological and hydrogeochemical characteristics.
世界范围内低阶煤层气勘探开发已获得了巨大的成功，中国拥有丰富的低煤阶煤层气资源，具有广阔的勘探前景。
Exploration and development of CBM from low-rank coals have been very successful in the world, and its exploration potential in China is very large because China is very rich in such resource.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
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