异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

刘兴旺

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异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

刘兴旺

文章导航 > 沉积学报 > 2011 > 29(4): 809-814

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

引用本文:

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

Citation:

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

引用本文:

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

Citation:

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

刘兴旺

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

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Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

LIU Xingwang

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

More Information

Corresponding author: LIU Xingwang

摘要

摘要: 为了探讨异常地热对烃源岩沉积有机质热演化的影响，采集了三塘湖盆地大黑山东剖面附近一辉绿岩侵入体南侧石炭系哈尔加乌组上部黑色泥岩层系的8块样品（W008~W015），其与辉绿岩岩体的距离分别是20 cm、50 cm、100 cm、180 cm、300 cm、500 cm、1 000 cm和1 700 cm,通过分析这八块样品的有机质成熟度Ro、H/C原子比、O/C原子比和氯仿沥青“A”与总烃含量变化等基础地球化学特征，同时有选择地分析了其中5块样品的饱和烃色质总离子流特征可以看出，当泥岩样品距岩体的距离大于180 cm时，Ro基本保持不变，而当样品距岩体的距离小于180 cm时，Ro开始明显增高，且增高幅度很大；W008和W009号样品的H/C原子比相对较小，分别是0.385和0.404，而W011～W015五块样品的H/C原子比在0.5左右，而且基本保持一致；O/C原子比的变化范围相对较小，集中在0.1左右，W008和W009号样品的O/C比相邻样品（W010、W011）略小一些；W008号样品的总烃和氯仿沥青“A”略高于W009～W012号样品；从有机质饱和烃参数来看，W008、W009和W010三个样品的CPI值相对较小，与W012和W014两块样品存在明显的差别。通过以上分析说明该烃源岩整体成熟度较高，同时靠近岩体1~1.8 m距离范围内，有机质的各项成熟度指标具有异常增高的趋势，说明侵入岩体与直接接触的烃源岩的烘烤作用的范围相对较小，大约在1.8 m以内。
- 辉绿岩 /
- 异常地热 /
- 沉积有机质 /
- 成熟作用
Abstract: In order to probe into abnormal geothermal's influence on hydrocarbongeneration, we collected eight source rock samples (W008W015) from the black mudstone series of strata of Carboniferous upper Haerjiawu group on the south side of the diabase intrusion of the East Daheishan Profile in the Santanghu Basin, whose distance to the diabase rock is 20 cm, 50 cm, 100 cm, 180 cm, 300 cm, 500 cm, 1 000 cm, and 1 700 cm, respectively. Through analysis of the basic geochemical characteristics such as the atomic ratios of Ro to H/C and to O/C, the change of the chloroform bitumen "A" and total hydrocarbon of the eight samples, along with selective analysis of the chromatographic characteristics of the saturated hydrocarbon of five of them, we found that with the distance to the diabase rock greater than 180 cm, the content of Ro remains almost unchanged, however, the content of Ro significantly increases with the distance less than 180 cm; the atomic ratio of H/C in W008 and W009 is relatively small, which is 0.385 and 0.404, while from W011 to W015, the atomic ratio of H/C is about 0.5, which remains the same on the whole; the range of variation in the atomic ratio of O/C is relatively small concentrating around 0.1, and the atomic ratio of O/C in W008 and W009 is slightly smaller than adjacent samples (W010, W011); the chloroform bitumen "A" and total hydrocarbon of W008 is slightly higher than that of W009 ~ W012; from the pespective of organic saturated hydrocarbon parameters, CPI in W008, W009 and W010 is relatively small, which is obviously different from that of in W012, and W014. From the above analysis, we can conclude that the overall maturity of this source rock is rather high, and near the diabase intrusion with the distance range of 1~1.8 m, its maturity index has the trend of exceptional increase which shows the source rocks directly exposed to the intrusive rocks has a relative smaller scope of baking effect which is less than about 1.8 m.
- diabase /
- abnormal geothermal /
- hydrocarbongenerating /
- maturation

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[1]	朱志立, 李美俊, 李佳阳, 祁灵, 刘晓强, 韩秋雅, 路清华, 马媛媛, 冷筠滢. 沉积有机质中苯基菲成熟度参数及其化学机理 . 沉积学报, 2023, 41(2): 601-609. doi: 10.14027/j.issn.1000-0550.2021.107
[2]	黄梓桑, 王兴志, 杨西燕, 朱如凯, 崔景伟, 卢远征, 李勇. 沉积环境对页岩中有机质富集的约束 . 沉积学报, 2021, 39(3): 631-644. doi: 10.14027/j.issn.1000-0550.2020.120
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异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

刘兴旺

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

通讯作者: 刘兴旺

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2011-08-10

关键词:

辉绿岩 /

异常地热 /

沉积有机质 /

成熟作用

摘要: 为了探讨异常地热对烃源岩沉积有机质热演化的影响，采集了三塘湖盆地大黑山东剖面附近一辉绿岩侵入体南侧石炭系哈尔加乌组上部黑色泥岩层系的8块样品（W008~W015），其与辉绿岩岩体的距离分别是20 cm、50 cm、100 cm、180 cm、300 cm、500 cm、1 000 cm和1 700 cm,通过分析这八块样品的有机质成熟度Ro、H/C原子比、O/C原子比和氯仿沥青“A”与总烃含量变化等基础地球化学特征，同时有选择地分析了其中5块样品的饱和烃色质总离子流特征可以看出，当泥岩样品距岩体的距离大于180 cm时，Ro基本保持不变，而当样品距岩体的距离小于180 cm时，Ro开始明显增高，且增高幅度很大；W008和W009号样品的H/C原子比相对较小，分别是0.385和0.404，而W011～W015五块样品的H/C原子比在0.5左右，而且基本保持一致；O/C原子比的变化范围相对较小，集中在0.1左右，W008和W009号样品的O/C比相邻样品（W010、W011）略小一些；W008号样品的总烃和氯仿沥青“A”略高于W009～W012号样品；从有机质饱和烃参数来看，W008、W009和W010三个样品的CPI值相对较小，与W012和W014两块样品存在明显的差别。通过以上分析说明该烃源岩整体成熟度较高，同时靠近岩体1~1.8 m距离范围内，有机质的各项成熟度指标具有异常增高的趋势，说明侵入岩体与直接接触的烃源岩的烘烤作用的范围相对较小，大约在1.8 m以内。

English Abstract

Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

LIU Xingwang

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Xingwang

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-08-10

Keywords:

Abstract: In order to probe into abnormal geothermal's influence on hydrocarbongeneration, we collected eight source rock samples (W008W015) from the black mudstone series of strata of Carboniferous upper Haerjiawu group on the south side of the diabase intrusion of the East Daheishan Profile in the Santanghu Basin, whose distance to the diabase rock is 20 cm, 50 cm, 100 cm, 180 cm, 300 cm, 500 cm, 1 000 cm, and 1 700 cm, respectively. Through analysis of the basic geochemical characteristics such as the atomic ratios of Ro to H/C and to O/C, the change of the chloroform bitumen "A" and total hydrocarbon of the eight samples, along with selective analysis of the chromatographic characteristics of the saturated hydrocarbon of five of them, we found that with the distance to the diabase rock greater than 180 cm, the content of Ro remains almost unchanged, however, the content of Ro significantly increases with the distance less than 180 cm; the atomic ratio of H/C in W008 and W009 is relatively small, which is 0.385 and 0.404, while from W011 to W015, the atomic ratio of H/C is about 0.5, which remains the same on the whole; the range of variation in the atomic ratio of O/C is relatively small concentrating around 0.1, and the atomic ratio of O/C in W008 and W009 is slightly smaller than adjacent samples (W010, W011); the chloroform bitumen "A" and total hydrocarbon of W008 is slightly higher than that of W009 ~ W012; from the pespective of organic saturated hydrocarbon parameters, CPI in W008, W009 and W010 is relatively small, which is obviously different from that of in W012, and W014. From the above analysis, we can conclude that the overall maturity of this source rock is rather high, and near the diabase intrusion with the distance range of 1~1.8 m, its maturity index has the trend of exceptional increase which shows the source rocks directly exposed to the intrusive rocks has a relative smaller scope of baking effect which is less than about 1.8 m.

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

引用本文:

刘兴旺. 异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例[J]. 沉积学报, 2011, 29(4): 809-814.

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

Citation:

LIU Xingwang. Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin[J]. Acta Sedimentologica Sinica, 2011, 29(4): 809-814.

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异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

通讯作者:
刘兴旺

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Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

Corresponding author: LIU Xingwang

计量

目录

异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

通讯作者: 刘兴旺

English Abstract

Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Xingwang

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异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

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Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

Corresponding author: LIU Xingwang

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出版历程

目录

异常地热对烃源岩生烃的影响——以三塘湖盆地辉绿岩侵入体为例

中国科学院地质与地球物理研究所油气资源研究重点实验室 兰州 730000

通讯作者: 刘兴旺

English Abstract

Influence of Abnormal Geothermal on HydrocarbonGeneration: Case study on the diabase intrusion of the Santanghu Basin

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Xingwang

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期刊在线

联系我们

通讯作者:
刘兴旺

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000