南黄海北部盆地东北凹陷地层剥蚀厚度恢复

郭飞飞; 曹强; 唐文旭

doi:10.3724/SP.J.1140.2009.05099

南黄海北部盆地东北凹陷地层剥蚀厚度恢复

1 中国地质大学资源学院, 武汉 430074;
2 江汉油田分公司勘探开发研究院, 湖北潜江 433124

基金项目:

中海油上海分公司联合科研攻关项目

国家自然科学基金项目(40172051)

详细信息

作者简介:
郭飞飞(1981-),男,博士生,主要从事石油地质和油气成藏动力学研究,E-mail:yigehaoren99999@qq.com

中图分类号: P716.130.2
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出版历程
- 收稿日期: 2009-02-10
- 修回日期: 2009-04-26

STUDY ON STRATA EROSION THICKNESS RESTORATION IN NORTHEAST DEPRESSION OF SOUTH YELLOW SEA BASIN

1 Faculty of Earth Resources in China University of Geosciences, Wuhan 430074, China;
2 Research Institute of Petroleum Exploration and Development, Jianghan Oilfield Company, SINOPEC, Qianjiang 433124, China

摘要

摘要: 地层抬升剥蚀是沉积盆地中普遍存在的现象。地层剥蚀厚度的准确恢复对正确重建沉积盆地原始沉积-构造演化史,热史及油气生、排、运、聚史和定量评价油气资源潜力至关重要。本次研究在充分结合南黄海北部盆地东北凹陷区域构造和演化特征研究的基础之上,依据东北凹陷实际地质情况和资料条件,选取参考层厚度变化率法和沉积速率法,对东北凹陷始新统戴南组和三垛组地层的剥蚀厚度进行了定量恢复。结果表明,渐新世末的三垛运动使东北凹陷内始新统戴南组和三垛组地层遭受强烈的剥蚀改造,戴南组和三垛组地层在凹陷内各个构造带表现出不同的剥蚀响应特征。
- 剥蚀厚度 /
- 始新世 /
- 东北凹陷 /
- 南黄海盆地
Abstract: The uplift and erosion of strata are ubiquitous in sedimentary basins. Restoring exact thickness of the erosion is very important to rebuild rationally the histories of initial deposition-tectonic evolution, geothermal, hydrocarbon generation, expulsion, migration and accumulation, and also to evaluate accurately the potential of oil and natural gas resources.On the basis of researches on tectonic evolution in northeast depression of the South Yellow Sea basin and according to practical geological conditions and present information, the method for thickness variance ratio of reference layer and sedimentation rate was applied to the eroded thickness restoration of Eocene Dainan formation and Sanduo formation in northeast depression. The final result suggested that the Sanduo tectonic movement which occurred at the last stage of Eocene, resulted in the intense erosion of Eocene Dainan formation and Sanduo formation,and these two formations indicate distinct characteristics in different tectonic zones of the northeast depression.
- eroded strata thickness /
- Eocene /
- northeast depression /
- South Yellow Sea basin

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参考文献(23)

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