| 再论有机质“接力成气”的内涵与意义 |
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| 引用本文： | 赵文智,王兆云,王红军,李永新,胡国艺,赵长毅. 再论有机质“接力成气”的内涵与意义[J]. 石油勘探与开发, 2011, 38(2): 129-135 |
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| 作者姓名： | 赵文智 王兆云 王红军 李永新 胡国艺 赵长毅 |
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| 作者单位： | 1. 中国石油勘探与生产公司
2. 中国石油勘探开发研究院 |
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| 基金项目： | 国家重点基础研究发展规划(973)项目 |
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| 摘 要： | 有机质"接力成气"重点关注烃源岩中滞留液态烃在高一过成熟阶段的生气与成藏潜力,是指随热成熟度升高,干酪根降解生气转化为原油裂解生气,在主生气时机上构成接力过程.在增补生气动力学实验和气藏解剖研究基础上,研究发现:烃源岩在液态窗阶段排烃以后的滞留烃数量相当高,在高一过成熟阶段可作为有效气源灶;滞留烃裂解生气主要发生于Ro值大干1.6%的高一过成熟阶段;滞留烃热裂解天然气可用甲基环己烷含量进行鉴别;高成岩环境下存在天然气有效排驱的通道,动力和过程,可规模形成源外常规气藏.有机质接力成气的意义体现在3方面:①对烃源岩中滞留液态烃生气与成藏贡献的关注;⑦对滞留液态烃主成气时机的确定;③对高一过成熟阶段滞留液态烃热裂解气"源外"天然气常规成藏潜力的评价.图6表1参23
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| 关 键 词： | 有机质接力成气 内涵 生气母质 页岩气 滞留烃裂解气 勘探 |
Further discussion on the connotation and significance of the natural gases relaying generation model from organic materials |
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| Zhao Wenzhi,Wang Zhaoyun,Wang Hongjun,Li Yongxin,Hu Guoyi and Zhao Changyi. Further discussion on the connotation and significance of the natural gases relaying generation model from organic materials[J]. Petroleum Exploration and Development, 2011, 38(2): 129-135 |
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| Authors: | Zhao Wenzhi Wang Zhaoyun Wang Hongjun Li Yongxin Hu Guoyi Zhao Changyi |
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| Affiliation: | Zhao Wenzhi1,Wang Zhaoyun2,Wang Hongjun2,Li Yongxin2,Hu Guoyi2,Zhao Changyi2(1.PetroChina Exploration & Production Company,Beijing 100011,China,2.PetroChina Research Institute of Petroleum Exploration & Development,Beijing 100083,China) |
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| Abstract: | The natural gas relaying generation model(abbreviated as relay model) of organic materials focuses on the potential of gas generation and accumulation derived from the dispersed liquid hydrocarbons retained in source rocks during high to over mature stage(Ro>1.6%).It means the gas generation converts from thermal degradation of kerogen to oil cracking with the increase of thermal maturation,and it forms relaying gas generation processes at different thermal maturation.According to the supplementary kinetic ... |
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| Keywords: | natural gas relaying generation connotation organic material shale gas cracking gas of retained liquid hydrocarbon exploration |
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