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| Chemical kinetics study of hydrocarbon regeneration from organic matter in carbonate source rocks and its significance | |
| 作者姓名： | LU ShuangFang ZHONG NingNing XUE HaiTao PAN ChangChun LI JiJun & LI HongTao Daqing Petroleum Institute Daqing China China University of Petroleum Beijing China Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China |
| 作者单位： | LU ShuangFang1，ZHONG NingNing2，XUE HaiTao1，PAN ChangChun3，LI JiJun1 & LI HongTao1 1 Daqing Petroleum Institute，Daqing 163318，China; 2 China University of Petroleum，Beijing 102249，China; 3 Guangzhou Institute of Geochemistry，Chinese Academy of Sciences，Guangzhou 510640，China |
| 基金项目： | 新世纪优秀人才培养计划;国家重点基础研究发展计划(973计划) |
| 摘 要： | In the comparison research of hydrocarbon regeneration, a low maturity carbonate source rock is heated to different temperatures in a gold tube to obtain a series of samples with different maturities. Then, the heated samples, before and after extraction, are subjected to Rock-Eval pyrolysis through a thermal simulation of hydrocarbon regeneration in order to inspect pyrolysis characteristics and probe into the characteristics of the chemical kinetics of each sample. The results indicate that, whether hy- drocarbon regeneration peak is delayed or advanced, the potential of hydrocarbon regeneration is closely related to the expulsion amount and breakdown maturity of primary hydrocarbon generation. After extraction, the average activation energy of artificially maturated samples increases with the in- creasing maturity, but the chemical kinetic properties of un-extracted samples decrease. The calibrated chemical kinetic models that describe extracted and un-extracted samples are applied to the Bohai Bay and the Songliao Basin, and the results indicate that the combination of the two models can explain some contradictory conclusions previously reported. These results also facilitate the quantitative evaluation of the amount of hydrocarbon regeneration by the chemical kinetic method. |
| 收稿时间： | 7 December 2005 |
| 修稿时间： | 16 March 2006 |
Chemical kinetics study of hydrocarbon regeneration from organic matter in carbonate source rocks and its significance |
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| LU ShuangFang,ZHONG NingNing,XUE HaiTao,PAN ChangChun,LI JiJun & LI HongTao Daqing Petroleum Institute,Daqing ,China, China University of Petroleum,Beijing ,China, Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou ,China.Chemical kinetics study of hydrocarbon regeneration from organic matter in carbonate source rocks and its significance[J].Science in China(Earth Sciences),2007,50(4):536-543. | |
| Authors: | Lu ShuangFang Zhong NingNing Xue HaiTao Pan ChangChun Li JiJun Li HongTao |
| Institution: | 1. Daqing Petroleum Institute,Daqing 163318,China 2. China University of Petroleum,Beijing 102249,China 3. Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China |
| Abstract: | In the comparison research of hydrocarbon regeneration, a low maturity carbonate source rock is heated to different temperatures in a gold tube to obtain a series of samples with different maturities. Then, the heated samples, before and after extraction, are subjected to Rock-Eval pyrolysis through a thermal simulation of hydrocarbon regeneration in order to inspect pyrolysis characteristics and probe into the characteristics of the chemical kinetics of each sample. The results indicate that, whether hy- drocarbon regeneration peak is delayed or advanced, the potential of hydrocarbon regeneration is closely related to the expulsion amount and breakdown maturity of primary hydrocarbon generation. After extraction, the average activation energy of artificially maturated samples increases with the in- creasing maturity, but the chemical kinetic properties of un-extracted samples decrease. The calibrated chemical kinetic models that describe extracted and un-extracted samples are applied to the Bohai Bay and the Songliao Basin, and the results indicate that the combination of the two models can explain some contradictory conclusions previously reported. These results also facilitate the quantitative evaluation of the amount of hydrocarbon regeneration by the chemical kinetic method. |
| Keywords: | carbonate hydrocarbon regeneration chemical kinetics thermal simulation quantitative evaluation of hydrocarbon regeneration |
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