Quantitative evaluation of coal as source rocks |
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Authors: | Yachun Wang Xiongqi Pang Shuangfang Lu Zhangming Chen |
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Institution: | (1) Department of Petroleum Exploration, Daqing Petroleum Institute, 151400 Anda City, Heilongjiang, China;(2) University of Petroleum, Changping, 102200 Beijing, China |
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Abstract: | Gas generated and expelled from coals often results in economic gas accumulations. As a consequence, it is important to consider
the theoretical aspects of these processes and to develop methods that can be used to assess coal as a potential source rock.
On the basis of results of modeling hydrocarbon generation, expulsion, and retention in coals, two comprehensive indexes are
proposed for assessing the quality and the nature of coal as a potential source rock. Theoretical charts of the two indexes
are used to assess coals as potential source rocks in the Turpan-Hami Basin in northwestern China. |
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Keywords: | Coals as source rocks hydrocarbon expulsion coal evaluation |
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