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Hydrous pyrolysis simulation experimental study of hydrocarbon generation and its expulsion from coal


, : Hydrous pyrolysis simulation experimental study of hydrocarbon generation and its expulsion from coal. Acta Sedimentologica Sinica 16(1): 98-102

A hydrous pyrolysis experiment was carried out on Carboniferous bright brown coal near the Shengli oil-field, East China, to evaluate the hydrocarbon generation potential of coal. The coal sample is vitrinite-rich and liptinite-poor with inertinite. Much of the vitrinite in the sample consists of hydrogen-rich desmocollinite. The results show that the coal has a higher hydrocarbon generation potential and expulsion efficiency. It is proposed that the hydrocarbon potential of coals depends not only on their organic matter, but also on their depositional environments. Reducing conditions are favorable for oil-prone coal. Fractures and cleats are beneficial to the expulsion of the oil from coal.

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