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| 甲基菲指数及甲基菲比值与有机质热演化关系——以柴达木盆地北缘地区为例 | |
| 引用本文： | 陈琰,包建平,刘昭茜,汪立群,邓奎,王燕平,祁文珍,高雪峰,靳春华.甲基菲指数及甲基菲比值与有机质热演化关系——以柴达木盆地北缘地区为例[J].石油勘探与开发,2010,37(4):508-512. |
| 作者姓名： | 陈琰 包建平 刘昭茜 汪立群 邓奎 王燕平 祁文珍 高雪峰 靳春华 |
| 作者单位： | 1. 中国地质大学(武汉)资源学院;中国石油青海油田公司勘探开发研究院 2. 长江大学地球化学系 3. 中国地质大学(武汉)资源学院 4. 中国石油青海油田公司勘探开发研究院 5. 中国石油青海油田公司冷湖油田管理处 |
| 摘 要： | 通过对柴达木盆地北缘地区未成熟—低成熟侏罗系烃源岩的热模拟实验研究,分析甲基菲的组成特征,建立两类Ⅱ型有机质(偏腐殖型、偏腐泥型)湖相烃源岩的甲基菲比值和甲基菲指数与镜质体反射率间的关系。研究表明,在有机质热演化的不同阶段,甲基菲指数与镜质体反射率间呈现出不同的关系式,同一甲基菲指数值将推算出2个不同的镜质体反射率,判断原油成熟度易出现偏差;而甲基菲比值与镜质体反射率间具有很好的线性正相关关系,Ro介于0.50%~1.80%时呈单调增加的趋势,相关系数高达0.90以上,在高成熟阶段两者间的关系也是正相关的,故利用甲基菲比值判断成熟度优于甲基菲指数。根据所建立的关系式对柴北缘各区原油的成熟度进行计算,所得结果与地质背景吻合度好,可信度较高。图5表1参18 |
| 关 键 词： | 柴北缘 甲基菲比值 甲基菲指数 镜质体反射率 原油成熟度 |
Relationship between methylphenanthrene index,methylphenanthrene ratio and organic thermal evolution:Take the northern margin of Qaidam Basin as an example |
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| Chen Yan,Bao Jianping,Liu Zhaoqian,Wang Liqun,Deng Kui,Wang Yanping,Qi Wenzhen,Gao Xuefeng and Jin Chunhua.Relationship between methylphenanthrene index,methylphenanthrene ratio and organic thermal evolution:Take the northern margin of Qaidam Basin as an example[J].Petroleum Exploration and Development,2010,37(4):508-512. | |
| Authors: | Chen Yan Bao Jianping Liu Zhaoqian Wang Liqun Deng Kui Wang Yanping Qi Wenzhen Gao Xuefeng and Jin Chunhua |
| Affiliation: | School of Resources, China University of Geosciences, Wuhan 430074, China; Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China;Department of Geochemistry, Yangtze University, Jingzhou 434023, China;School of Resources, China University of Geosciences, Wuhan 430074, China;Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China;Lenghu Oilfield, PetroChina Qinghai Oilfield Company, Delingha 816300, China;Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China;Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China;Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China;Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China |
| Abstract: | |
| Keywords: | northern margin of Qaidam Basin methylphenanthrene ratio methylphenanthrene index vitrinite reflectance oil maturity |
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