| 开放体系和密闭体系恒速升温实验条件下有机质生烃动力学特征对比及意义 |
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| 引用本文： | 李婷婷,王民,卢双舫,田善思,陈国辉,韩璐.开放体系和密闭体系恒速升温实验条件下有机质生烃动力学特征对比及意义[J].吉林大学学报(地球科学版),2011,41(4):1040-1047. |
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| 作者姓名： | 李婷婷 王民 卢双舫 田善思 陈国辉 韩璐 |
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| 作者单位： | 东北石油大学地球科学学院,黑龙江大庆,163318;东北石油大学地球科学学院,黑龙江大庆163318;中国地质大学构造与油气资源教育部重点实验室,武汉430074;河北科技师范学院园艺科技学院,河北秦皇岛,066004 |
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| 基金项目： | 国家自然科学基金项目(40972101); 国家油气重大专项(2008ZX05007-001,2008ZX05004-003); 国家重点基础研究发展计划项目(2009CB219306); 教育部重点实验室开放课题(TPR-2010-23) |
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| 摘 要： | 为了揭示不同实验条件下有机质生烃动力学特征及其地质应用的差异性,对松辽盆地煤样进行了开放体系(Rock-Eval)和密闭体系(金管)的恒速升温热模拟实验。根据实验产物产率与温度关系标定了开放系下的有机质成油、成气及密闭体系下有机质成气动力学模型;将标定的2种体系下的动力学参数以实验室升温速率和地质升温速率条件下进行外推,表明密闭体系下的成气转化率相对开放体系下的变化要慢,原因在于开放体系下煤样热解生气为初次裂解,而密闭体系下煤样生气是初次裂解和二次裂解共同贡献的结果。进一步将2种体系下获得的生气动力学参数结合松辽盆地徐家围子地区埋藏史、热史资料进行应用表明:应用开放体系获得的动力学参数外推计算的生气门限对应时间(115 Ma)要比实际生气门限对应时间(110 Ma)偏早;应用密闭体系获得的动力学参数外推计算的生气门限对应时间(92 Ma)要比实际生气门限对应时间偏晚。
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| 关 键 词： | 开放体系 密闭体系 生烃动力学 生烃门限 徐家圈子 |
Characteristic Comparison of Hydrocarbon Generation Kinetics Under Open-Closed Systems with Constant Heating Rates and Its Significance |
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| LI Ting-ting,WANG Min,LU Shuang-fang,TIAN Shan-si,CHEN Guo-hui,HAN Lu.Characteristic Comparison of Hydrocarbon Generation Kinetics Under Open-Closed Systems with Constant Heating Rates and Its Significance[J].Journal of Jilin Unviersity:Earth Science Edition,2011,41(4):1040-1047. |
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| Authors: | LI Ting-ting WANG Min LU Shuang-fang TIAN Shan-si CHEN Guo-hui HAN Lu |
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| Institution: | LI Ting-ting1,WANG Min1,2,LU Shuang-fang1,TIAN Shan-si1,CHEN Guo-hui1,HAN Lu31.College of Earth Sciences,Northeast Petroleum University,Daqing 163318,Heilongjiang,China2.Key Laboratory of Tectonics and Petroleum Resources(China University of Key Laboratory of Geosciences),Ministry of Eduction,Hubei Province,Wuhan 430074,China3.College of Horticulture Science and Technology,Hebei Normal University of Science and Technology,Qinhuangdao 066004,Hebei,China |
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| Abstract: | In order to reveal the difference of hydrocarbon generation kinetics characteristics and its geologic application under different experiment conditions,two thermal simulation apparatus(open and closed systems) are employed to pyrolyze coal sample from Songliao basin.According to the relationship between experimental product yields and temperature,the kinetic models of the oil/gas generated from organic matter are calibrated.Then the kinetic parameters obtained from two experimental systems are extrapolated ... |
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| Keywords: | open system closed system hydrocarbon generation kinetics hydrocarbon generation threshold Xujiaweizi |
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