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A model for carbon isotope distribution of methane during diagenesis |
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| Authors: | Ping Guan Yongchang Xu Wenhui Liu Darui Wang |
| Institution: | (1) Department of Geology, Peking University, 100871 Beijing, China;(2) Lanzhou Institute of Geology, Chinese Academy of Sciences, 730000 Lanzhou, China;(3) Research Institute of Petroleum Exploration & Development, 100083 Beijing, China |
| Abstract: | The evolution of methane carbon isotope with depth has been discussed based on diagenetic reaction kinetics and isotopic Rayleigh fractionational theory. A mathematical model to describe data of methane carbon isotope for the Liaohe oil field has been established. |
| Keywords: | methane carhon isotope maturity Rayleigh fractionation |
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