曲流河三角洲&mdash;辫状河三角洲控制因素及演化过程探讨

赵晨帆; 于兴河; 付超; 韩小琴; 杜永慧

doi:10.14027/j.issn.1000-0550.2018.154

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曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

赵晨帆, 于兴河, 付超, 韩小琴, 杜永慧

文章导航 > 沉积学报 > 2019 > 37(4): 768-784

赵晨帆, 于兴河, 付超, 韩小琴, 杜永慧. 曲流河三角洲—辫状河三角洲控制因素及演化过程探讨[J]. 沉积学报, 2019, 37(4): 768-784. doi: 10.14027/j.issn.1000-0550.2018.154

引用本文:

ZHAO ChenFan, YU XingHe, FU Chao, HAN XiaoQin, DU YongHui. Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 768-784. doi: 10.14027/j.issn.1000-0550.2018.154

Citation:

ZHAO ChenFan, YU XingHe, FU Chao, HAN XiaoQin, DU YongHui. Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 768-784. doi: 10.14027/j.issn.1000-0550.2018.154

引用本文:

Citation:

ZHAO ChenFan, YU XingHe, FU Chao, HAN XiaoQin, DU YongHui. Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 768-784. doi: 10.14027/j.issn.1000-0550.2018.154

曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

1.
中国地质大学(北京), 北京 100083;
2.
陕西延长石油(集团)有限责任公司研究院, 西安 710075

基金项目: 国家自然科学基金项目（41472091，41572080）；国家科技重大专项（2017ZX05001-002）

详细信息

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者:
于兴河,男,教授,E-mail:billyu@cugb.edu.cn

中图分类号: P618.13

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文章访问数: 464
HTML全文浏览量: 45
PDF下载量: 386
被引次数: 0

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

1.
China University of Geosciences(Beijing), Beijing 100083, China;
2.
Research Institute, Shaanxi Yanchang Petroleum(Group) Co., Ltd., Xi'an 710075, China

Funds: National Natural Science Founda-tion of China, No.41472091, 41572080; National Science and Technology Major Project, No.2017ZX05001-002

摘要

摘要: 鄂尔多斯盆地是我国最大含油气之一，随勘探不断深入，盆地东南部山2段-盒8段展现出巨大的潜力。早期研究主要针对单一层段储集砂体发育特征，而多层段整体沉积演化未进行深入探讨。在综合岩芯特征、测井相标志以及分析化验资料识别三角洲相标志的基础上，通过基准面变化、物源供给条件、古坡度恢复及古气候分析，明确了曲流河三角洲-辫状河三角洲演化的控制因素，再现了其沉积转换过程。研究表明，鄂尔多斯盆地东南部山2段-盒8段沉积过程中，基准面逐步下降导致河流沉积作用逐渐增强；SN向与EW向物源供给逐渐增加；利用"压实模拟计算地层古厚度"的方法恢复的古坡度逐渐变陡；通过岩芯相与地球化学标志恢复的古气温呈现逐渐降低的趋势。在这些因素控制下，研究区由山2段曲流河三角洲逐步向盒8段辫状河三角洲过渡。重建的沉积演化过程对区域内油气勘探及不同类型三角洲时空转换均具有一定的意义。
- 曲流河三角洲 /
- 辫状河三角洲 /
- 基准面升降 /
- 物源供给 /
- 古坡度 /
- 古气候 /
- 演化过程
Abstract: The Ordos Basin is one of the largest petroliferous basins in China. Exploration has shown that the Shan2 to He8 members in the SE part of the basin has considerable exploration potential. Previous studies have focused mainly on the sand body distribution within a single member,but have not discussed the overall sedimentary evolu-tion for a number of members. To infer the transition from meandering river delta to braided river delta and analyze the main controlling factors of the evolutionary process,and to reconstruct the true evolution,in this study facies log-ging from core samples was integrated with analytical data to recognize the delta sedimentary facies. Changes of the base-level elevation enabled the sediment supply to be recognized,and to reconstruct the paleo-geomorphology and paleoclimate in the study area,and the evolution of a meandering river delta to a braided river delta. The elevation of the base-level surface sloped downwards between Shan2 and He8,enhancing channel sedimentation and increasing the supply of sediment. It was then inferred that the gradation of paleo-thickness due to compaction gradually in-creased the ancient slope. Analysis of lithofacies together with geochemical characterization indicated that the ancient air temperature gradually decreased. A comprehensive analysis of these four factors has provided a theoretical basis for the study of the evolution of meandering river deltas to braided river deltas. Such reconstruction of the sedimentary evolution process is significant for hydrocarbon exploration. In addition,the study provides a theoretical basis for the spatiotemporal evolution of various types of delta.
- meandering river delta /
- braided river delta /
- base-level fluctuation /
- sediment supply /
- paleo-slope /
- paleoclimate /
- evolution progress

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[1]	彭晨阳, 唐明明, 洪瑞峰, 熊思琛. 基于沉积动力学的潮控三角洲沉积数值模拟研究 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.081
[2]	唐洪, 龙冠宇, 张章, 曲炳昌. 基于沉积数值模拟的砂质辫状河三角洲沉积特征与演化规律研究 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.088
[3]	彭旸, 王波, 于海跃, 董雨洋, 盛莉娜, 杨琳娜, 刘少治, 王少依, 朱晨. 新疆三塘湖盆地条湖-马朗凹陷中下侏罗纪沉积体系演化及物源分析 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2023.125
[4]	王秋军, 郑军, 孙柏年, 马福军, 王振, 王万梅. 广西渐新世宁明组三种植物碳同位素与古气候分析 . 沉积学报, 2020, 38(2): 358-366. doi: 10.14027/j.issn.1000-0550.2019.019
[5]	王玥铭, 窦衍光, 李军, 徐景平, 蔡峰, 温珍河, 赵京涛, 陈晓辉. 16 ka以来冲绳海槽中南部沉积物物源演化及其对古气候的响应 . 沉积学报, 2018, 36(6): 1157-1168. doi: 10.14027/j.issn.1000-0550.2018.102
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[7]	李亚龙, 于兴河, 周进松, 单新, 韩小琴, 史新, 胡鹏. 鄂尔多斯盆地东南部山2段物源与曲流河三角洲沉积体系 . 沉积学报, 2017, 35(3): 540-551. doi: 10.14027/j.cnki.cjxb.2017.03.012
[8]	王尹, 李祥辉, 周勇, 刘玲. 南雄盆地晚白垩世—古新世陆源沉积组份变化的古气候指示 . 沉积学报, 2015, 33(1): 116-123. doi: 10.14027/j.cnki.cjxb.2015.01.012
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文章访问数: 464
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曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

1. 中国地质大学(北京), 北京 100083;

2. 陕西延长石油(集团)有限责任公司研究院, 西安 710075

基金项目: 国家自然科学基金项目（41472091，41572080）；国家科技重大专项（2017ZX05001-002）

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者: 于兴河,男,教授,E-mail:billyu@cugb.edu.cn

收稿日期: 2018-04-04
修回日期: 2019-04-28
刊出日期: 2019-08-10

中图分类号: P618.13

关键词:

古坡度 /

古气候 /

演化过程

摘要: 鄂尔多斯盆地是我国最大含油气之一，随勘探不断深入，盆地东南部山2段-盒8段展现出巨大的潜力。早期研究主要针对单一层段储集砂体发育特征，而多层段整体沉积演化未进行深入探讨。在综合岩芯特征、测井相标志以及分析化验资料识别三角洲相标志的基础上，通过基准面变化、物源供给条件、古坡度恢复及古气候分析，明确了曲流河三角洲-辫状河三角洲演化的控制因素，再现了其沉积转换过程。研究表明，鄂尔多斯盆地东南部山2段-盒8段沉积过程中，基准面逐步下降导致河流沉积作用逐渐增强；SN向与EW向物源供给逐渐增加；利用"压实模拟计算地层古厚度"的方法恢复的古坡度逐渐变陡；通过岩芯相与地球化学标志恢复的古气温呈现逐渐降低的趋势。在这些因素控制下，研究区由山2段曲流河三角洲逐步向盒8段辫状河三角洲过渡。重建的沉积演化过程对区域内油气勘探及不同类型三角洲时空转换均具有一定的意义。

English Abstract

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

1. China University of Geosciences(Beijing), Beijing 100083, China;

2. Research Institute, Shaanxi Yanchang Petroleum(Group) Co., Ltd., Xi'an 710075, China

Funds: National Natural Science Founda-tion of China, No.41472091, 41572080; National Science and Technology Major Project, No.2017ZX05001-002

Received Date: 2018-04-04
Rev Recd Date: 2019-04-28
Publish Date: 2019-08-10

Keywords:

Abstract: The Ordos Basin is one of the largest petroliferous basins in China. Exploration has shown that the Shan2 to He8 members in the SE part of the basin has considerable exploration potential. Previous studies have focused mainly on the sand body distribution within a single member,but have not discussed the overall sedimentary evolu-tion for a number of members. To infer the transition from meandering river delta to braided river delta and analyze the main controlling factors of the evolutionary process,and to reconstruct the true evolution,in this study facies log-ging from core samples was integrated with analytical data to recognize the delta sedimentary facies. Changes of the base-level elevation enabled the sediment supply to be recognized,and to reconstruct the paleo-geomorphology and paleoclimate in the study area,and the evolution of a meandering river delta to a braided river delta. The elevation of the base-level surface sloped downwards between Shan2 and He8,enhancing channel sedimentation and increasing the supply of sediment. It was then inferred that the gradation of paleo-thickness due to compaction gradually in-creased the ancient slope. Analysis of lithofacies together with geochemical characterization indicated that the ancient air temperature gradually decreased. A comprehensive analysis of these four factors has provided a theoretical basis for the study of the evolution of meandering river deltas to braided river deltas. Such reconstruction of the sedimentary evolution process is significant for hydrocarbon exploration. In addition,the study provides a theoretical basis for the spatiotemporal evolution of various types of delta.

引用本文:

Citation:

ZHAO ChenFan, YU XingHe, FU Chao, HAN XiaoQin, DU YongHui. Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin[J]. Acta Sedimentologica Sinica, 2019, 37(4): 768-784. doi: 10.14027/j.issn.1000-0550.2018.154

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曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者:
于兴河,男,教授,E-mail:billyu@cugb.edu.cn

计量

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

计量

目录

曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

1. 中国地质大学(北京), 北京 100083;

2. 陕西延长石油(集团)有限责任公司研究院, 西安 710075

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者: 于兴河,男,教授,E-mail:billyu@cugb.edu.cn

English Abstract

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

1. China University of Geosciences(Beijing), Beijing 100083, China;

2. Research Institute, Shaanxi Yanchang Petroleum(Group) Co., Ltd., Xi'an 710075, China

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曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

作者简介: 赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者: 于兴河,男,教授,E-mail:billyu@cugb.edu.cn

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出版历程

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

计量

出版历程

目录

曲流河三角洲—辫状河三角洲控制因素及演化过程探讨

doi: 10.14027/j.issn.1000-0550.2018.154

1. 中国地质大学(北京), 北京 100083; 2. 陕西延长石油(集团)有限责任公司研究院, 西安 710075

作者简介: 赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者: 于兴河,男,教授,E-mail:billyu@cugb.edu.cn

English Abstract

Control Factors and Evolution Progress of Depositional System Transition from Meandering River Delta to Braided River Delta: Case study of Shan2 member to He8 member, Ordos Basin

1. China University of Geosciences(Beijing), Beijing 100083, China; 2. Research Institute, Shaanxi Yanchang Petroleum(Group) Co., Ltd., Xi'an 710075, China

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

通讯作者:
于兴河,男,教授,E-mail:billyu@cugb.edu.cn

1. 中国地质大学(北京), 北京 100083;

2. 陕西延长石油(集团)有限责任公司研究院, 西安 710075

作者简介:
赵晨帆,男,1993年出生,硕士研究生,油气储层沉积学,E-mail:chenfan0q@126.com

1. China University of Geosciences(Beijing), Beijing 100083, China;

2. Research Institute, Shaanxi Yanchang Petroleum(Group) Co., Ltd., Xi'an 710075, China