陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

朱创业

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陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

朱创业

文章导航 > 沉积学报 > 2000 > 18(1): 57-62

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

引用本文:

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

ZHU Chuang ye. Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin[J]. Acta Sedimentologica Sinica, 2000, 18(1): 57-62.

Citation:

ZHU Chuang ye. Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin[J]. Acta Sedimentologica Sinica, 2000, 18(1): 57-62.

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

引用本文:

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

Citation:

陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

朱创业

成都理工学院成都 610059

基金项目: 国家“九五”重点科技攻关专题(96-110-01-01-05)

详细信息

作者简介:
朱创业,男,1961年5月生,教授,沉积学

中图分类号: P593

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文章访问数: 586
HTML全文浏览量: 9
PDF下载量: 382
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Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

ZHU Chuang ye

Chengdu University of Technology Chengdu 610059

摘要

摘要: 沉积有机相是具有相似沉积环境、生物组合、成岩环境、氧化—还原条件以及相近有机质特征的地层单元,其分布受沉积盆地中层序地层格架所控制。因此,层序沉积有机相分析可成为确定和预测烃源岩分布的一种有效工具。本文采用层序地层分析与沉积有机相分析相结合的方法,将陕甘宁盆地下奥陶统马家沟组划分为三个层序,并探讨了每个层序中沉积有机相的分布特征。研究表明,沉积有机相在层序地层格架中的分布呈显出一定的规律性,在盆地西部及南部的较深水层序中,沉积有利相类型主要为开阔台地C相,在垂向上变化不大,有机碳含量为 0.0 8%～ 0.1 8%。在盆地中部浅水层序中,海侵体系域的沉积有机相类型主要为开阔台地C相及局限台地D相,有机碳含量为 0.1 2 %～ 0.2 5 %,而高位体系域的沉积有机相类型主要为局限台地D相和蒸发台地E相,有机碳含量为 0.1 7%～ 0.49%,反映出盆地中部浅水层序中的高位体系域是烃源岩分布的最有利地带。
- 陕甘宁盆地 /
- 马家沟组 /
- 层序地层 /
- 沉积有机相-烃源岩
Abstract: A sedimentary organic facies is defined as a stratigraphic unit, in which there are the similar characteristics of depositional environment, biological assemblage, diagenetic environment, reduction-oxidation condition, and the genetic type of organic matter. As the distribution of sedimentary organic facies is controlled by sequence stratigraphic framework in sedimentary basin, sequence sedimentary organic facies analysis can become a very useful tool to determine and predict the distribution of source rocks. Based on the analysis of sequence stratigraphy and sedimentary organic facies, Majiagou Formation of Lower Ordovician in Ordos basin is divided into three sequences and the distribution of sedimentary organic facies in each sequence is discussed in this paper. The results indicate that the distribution of sedimentary organic facies in sequence stratigraphic framework of Majiagou Formation present a certain regularity. In the western and southern part of the basin, the sedimentary organic facies of deeper- water sequence are mainly composed of open platform C facies from bottom to top, in which the content of organic carbon is 0.08% ～ 0.18 %. In the middle of the basin, the sedimentary organic facies of transgressive system tract of shallow- water sequence are mainly composed of open platform C facies and restricted platform D facies, in which the content of organic carbon is 0.12% ～ 0.25 %, whereas the sedimentary organic facies of highstand system tract are composed of restricted platform D facies and evaporation platform E facies, in which the content of organic carbon is 0.17% ～ 0.49 %.The best source rocks are mostly distributed over highstand system tract of shallow- water sequence in the middle of the basin
- Ordos basin /
- Majiagou Formation /
- sequence stratigraphy /
- sedimentary organic facies

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参考文献(5)

[1]	Rogers M A. Application of organic facies concepts to hydrocarbon source rock evaluation[R]. 10th world Petr. Cong.,1979.25～30
[2]	郭迪孝, 胡民. 陆相盆地沉积有机相分析[A]. 石油与天然气地质文集，第2集[C]. 北京：地质出版社,1989.191～199
[3]	郝芳，陈建渝. 沉积盆地中的有机相研究及其在油气资源评价中的应用 [A]. 矿物岩石学论丛(9)[C]. 北京：地质出版社，1993.101～109
[4]	Sang J F. Carbonate sequence stratigraphy[A].In：Wilgus C K.ed. Sea level changes - an integrated approach[C]. SEPM Special Publication,1988,42
[5]	长庆油田石油地质志编写组.中国石油地质志（卷十二，长庆油田）[M].北京：石油工业出版社，1992.62～64

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陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

朱创业

成都理工学院成都 610059

基金项目: 国家“九五”重点科技攻关专题(96-110-01-01-05)

作者简介:
朱创业,男,1961年5月生,教授,沉积学

收稿日期: 1998-11-26
修回日期: 1999-01-02
刊出日期: 2000-03-10

中图分类号: P593

关键词:

摘要: 沉积有机相是具有相似沉积环境、生物组合、成岩环境、氧化—还原条件以及相近有机质特征的地层单元,其分布受沉积盆地中层序地层格架所控制。因此,层序沉积有机相分析可成为确定和预测烃源岩分布的一种有效工具。本文采用层序地层分析与沉积有机相分析相结合的方法,将陕甘宁盆地下奥陶统马家沟组划分为三个层序,并探讨了每个层序中沉积有机相的分布特征。研究表明,沉积有机相在层序地层格架中的分布呈显出一定的规律性,在盆地西部及南部的较深水层序中,沉积有利相类型主要为开阔台地C相,在垂向上变化不大,有机碳含量为 0.0 8%～ 0.1 8%。在盆地中部浅水层序中,海侵体系域的沉积有机相类型主要为开阔台地C相及局限台地D相,有机碳含量为 0.1 2 %～ 0.2 5 %,而高位体系域的沉积有机相类型主要为局限台地D相和蒸发台地E相,有机碳含量为 0.1 7%～ 0.49%,反映出盆地中部浅水层序中的高位体系域是烃源岩分布的最有利地带。

English Abstract

Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

ZHU Chuang ye

Chengdu University of Technology Chengdu 610059

Received Date: 1998-11-26
Rev Recd Date: 1999-01-02
Publish Date: 2000-03-10

Keywords:

Abstract: A sedimentary organic facies is defined as a stratigraphic unit, in which there are the similar characteristics of depositional environment, biological assemblage, diagenetic environment, reduction-oxidation condition, and the genetic type of organic matter. As the distribution of sedimentary organic facies is controlled by sequence stratigraphic framework in sedimentary basin, sequence sedimentary organic facies analysis can become a very useful tool to determine and predict the distribution of source rocks. Based on the analysis of sequence stratigraphy and sedimentary organic facies, Majiagou Formation of Lower Ordovician in Ordos basin is divided into three sequences and the distribution of sedimentary organic facies in each sequence is discussed in this paper. The results indicate that the distribution of sedimentary organic facies in sequence stratigraphic framework of Majiagou Formation present a certain regularity. In the western and southern part of the basin, the sedimentary organic facies of deeper- water sequence are mainly composed of open platform C facies from bottom to top, in which the content of organic carbon is 0.08% ～ 0.18 %. In the middle of the basin, the sedimentary organic facies of transgressive system tract of shallow- water sequence are mainly composed of open platform C facies and restricted platform D facies, in which the content of organic carbon is 0.12% ～ 0.25 %, whereas the sedimentary organic facies of highstand system tract are composed of restricted platform D facies and evaporation platform E facies, in which the content of organic carbon is 0.17% ～ 0.49 %.The best source rocks are mostly distributed over highstand system tract of shallow- water sequence in the middle of the basin

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

引用本文:

朱创业. 陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布[J]. 沉积学报, 2000, 18(1): 57-62.

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陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

作者简介:
朱创业,男,1961年5月生,教授,沉积学

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Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

计量

目录

陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

成都理工学院成都 610059

作者简介:
朱创业,男,1961年5月生,教授,沉积学

English Abstract

Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

Chengdu University of Technology Chengdu 610059

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陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

作者简介: 朱创业,男,1961年5月生,教授,沉积学

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Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

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陕甘宁盆地下奥陶统马家沟组层序沉积有机相特征及其烃源岩分布

成都理工学院 成都 610059

作者简介: 朱创业,男,1961年5月生,教授,沉积学

English Abstract

Characterestics of Sequence Sedimentary Organic Facies and Distribution of Source Rocks of Majiagou Formation,Lower Ordovician, Ordos Basin

Chengdu University of Technology Chengdu 610059

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
朱创业,男,1961年5月生,教授,沉积学

成都理工学院成都 610059

作者简介:
朱创业,男,1961年5月生,教授,沉积学