| Genetic Types and Distribution of CO_2 Gases in the Huanghua Depression |
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| 作者姓名： | Jin Zhenkui Bai Wuhou and Zhang Xiangxiang |
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| 作者单位： | Education Ministry Key Laboratory of Petroleum and Natural Gas Pool Formation Mechanism，China University of Petroleum，Beijing 102249，China |
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| 摘 要： | 1. Introduction CO2 gas is a nonhydrocarbon gas with a high economic value and a promising prospect for wide application. A lot of work has been done at the study, development and utilization of CO2 gas in Jilin, Shandong, Jiangsu and Guangdong provinces,…
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Genetic Types and Distribution of CO_2 Gases in the Huanghua Depression |
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| Jin Zhenkui,Bai Wuhou and Zhang Xiangxiang.Genetic Types and Distribution of CO_2 Gases in the Huanghua Depression[J].Petroleum Science,2005(2). |
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| Authors: | Jin Zhenkui Bai Wuhou and Zhang Xiangxiang |
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| Abstract: | CO2 gas is a nonhydrocarbon gas, with a high economic value and a broad prospect for application. In the Huanghua Depression, there exist many genetic types of CO2 gases, i.e. organic CO2, thermal metamorphic CO2 and crust-mantle mixed CO2. The distribution of different types of CO2 gases is controlled by different factors. Organic CO2 that occurs mainly around the oil-generating center is associated with hydrocarbon gases as a secondary product and commonly far away from large faults. Thermal metamorphic CO2 occurs mainly in areas where carbonate strata are developed and igneous activity is strong, and tends to accumulate near large faults. CO2 of such an origin is higher in concentration than organic CO2, but lower than crust-mantle mixed CO2. Crust-mantle mixed CO2 occurs mainly along large faults. Its distribution is limited, but its purity is the highest. |
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| Keywords: | Huanghua Depression CO2 gas origin genetic types distribution |
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