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《Acta Sedimentologica Sinica》 2005-03
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Discussion on the Source of Oil and Gas Using the Dynamics of Carbon Isotope and Hydrocarbon Generation

MI Jing-kui 1.2 LIU Xin-hua1 YANG Meng-da1 YANG Rong-feng 1 1(School of Civil Engineering, HuNan University of Science & Technology, Xiangtan Hunan 411201) 2(Petroleum Explorationanel Development Research Institute CNPC, Beijing 100083)  
The application value of traditional method to explore the oil and gas source using carbon isotope was bounded by the type and maturity of source rock. The method to combine the kinetics of carbon isotope with that of hydrocarbon generation has great advantages in discussing the source of oil and gas. In this paper, the thermal simulation experiment to the source rock was done , the results of kinetics calculation of hydrocarbon generation and carbon isotope have shown that the gas of Suligemiao gas field in the Upper Paleozoic stratum in Ordos basin mainly belong to stage accumulation gas which come from around areas, the contributions to the gas field from high maturity southern area and Tianhuan depression are 49% and 22% respectively, and the accumulation gas come from Suligemiao area is only make up of 29%.
【CateGory Index】: P618.130.8
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