An analysis on pooling history of the Carboniferous thermal methane gas pool, eastern Sichuan basin
川东石炭系原油裂解型气藏成藏史分析
The gas content of the coalbed is one of important parameters for assessing coalbed methane resources.
煤层含气性是煤层气资源评价的的重要参数。
Methane is the main constituent of natural gas， and is the result of natural decomposition processes.
甲烷是天然气的主要成分，是自然分解过程的产物。
If the permafrost melts, prodigious amounts of trapped methane gas will burp out of the once frozen ground.
二是暖化到什麽程度时, 会使北极的多年冻土融化？
Great quantity of water is drained in extraction of coalbed methane similar to extraction of conventional oil gas.
煤层气的开采和常规的油气一样, 伴随着大量的采出水。
Coalbed gases in Huainan coal field is a gas mixture resulted from thermogenic methane and secondary biogenic gas.
淮南煤田煤层气属于热成因和次生生物成因气的混合气。
Effects of deformation field, coallification degree and the electronic field on the seepage law of methane gas in coal
变形场，煤化度和外加电场对甲烷在煤层中渗流的影响
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