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《Acta Sedimentologica Sinica》 1997-04
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A Study on the Jurassic Oil from Coal in Junggar Basin

Yao Suping 1,Wei Hui 2,Jin Kuili 3,Zhang Jingrong 1 Tu Jiangqi 2,Zhao Changyi 2 and Fang Jiahu 3 1 (Departmens of Earth Sciences ,Nanjing University,Jiangsu,210043)2 (Research Institute of Petroleum Exploration and Development,Beijing,100083)3 (Beijing Graduate School,China University of Mining and Technology.Beijing,100083)  
In this paper,the problems of oil form Coal in Junggar basin were discussed on the basis of organic petrology and organic geochemistry.It was showed that Jurassic coals contain a lot of liptinites,higher liptinite content (especially higher Cutinite content of liptinites) of coals may cause the qeneration of high wax oils,the contents of liptinites and desmocollinites in coals depend on the value of hydrogen index and Rock Eval pyrolysis yield (S2),they are main oil generating macerals,the fact of some oil generating from Jurassic coals was confirmed by identifying oil drops,micrinites and bituminites under microscope.the characteristics of oil expulsion from coals was further studied with hydrocarbon expulsion simulation.In addition,we studied Jurassic sedimentary organic facies and divided coal measures into four facies types based on comprehensive studies of organic petrology,organic geoehemistry and sedimentary environment,i.e.high moor organic facies,forest swamp organic facies,running water facies and open water organic facies, among them forest swamp organic facies and running water swamp organic facies are the best organic facies of hydrocarbon generation.
【CateGory Index】: P618.13
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