鄂湘黔桂地区大隆组的沉积特征及与烃源岩的关系

蔡雄飞; 张志峰; 彭兴芳; 冯庆来

鄂湘黔桂地区大隆组的沉积特征及与烃源岩的关系

中国地质大学地球科学学院, 湖北武汉 430074

基金项目:

中国石油化工股份有限公司海相油气勘探前瞻性项目 G0800-06-ZS-319

详细信息

作者简介:
蔡雄飞(1952-), 男, 副研究员, 从事地层和沉积学研究.E-mail: caixiongfei1952@163.com

中图分类号: P618.13
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出版历程
- 收稿日期: 2007-09-20
- 刊出日期: 2007-11-25

Depositional Characteristics of the Dalong Formation and the Related Potential Hydrocarbon Source Rocks of Hubei, Hunan, Guizhou and Guangxi Regions

Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 根据鄂湘黔桂地区大隆组的岩性组合特征, 大隆组可以划分7种沉积类型, 它们的岩性、岩相在纵、横向上往往表现为突变.大隆组是晚二叠世海侵期的产物, 其沉积物与烃源岩关系非常密切, 尤其是厌氧、缺氧环境下的沉积物与烃源岩关系更为紧密.海侵期的沉积物、古斜坡沉积环境及低沉积速率使大隆组具有烃源岩发育和形成的潜力.
- 沉积类型 /
- 生油气岩 /
- 大隆组 /
- 晚二叠世 /
- 鄂湘黔桂
Abstract: Dalong Formation of Late Permian in Hubei, Hunan, Guizhou and Guangxi in South China could be subdivided into seven sedimentary types according to the lithology, indicative of the great spatial variations of both the lithology and sedimentary facies. Dalong Formation deposited during the highest transgression of Late Permian, showing a strong linkage with the hydrocarbon source rocks, in particular those deposited under the anaerobic and suboxic conditions. Dalong Formation shows potential as hydrocarbon source rocks due to the deposition in the highest transgression sea level, the deep slope sedimentary environments and the low sedimentary rate.
- sedimentary type /
- hydrocarbon rock /
- Dalong Formation /
- Late Permian /
- Hubei, Hunan, Guizhou and Guangxi

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表 1 鄂湘黔桂地区大隆组沉积类型的划分

Table 1. Sedimentary types of Dalong Formation in Hubei, Hunan, Guizhou and Guangxi regions

表 2 湖北、湖南大隆组沉积特征

Table 2. Depositional characteristics of Dalong Formation in Hubei and Hunan

表 3 贵州、广西大隆组沉积特征

Table 3. Depositional characteristics of Dalong Formation in Guizhou and Guangxi

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