蒸发岩与沉积盆地的含油气性

新疆石油地质 ›› 2005, Vol. 26 ›› Issue (6): 715-718.

蒸发岩与沉积盆地的含油气性

徐文世¹, 于兴河¹, 刘妮娜², 姜辉¹, 张广权¹

1.中国地质大学（北京)能源学院,北京 100083;
2.长安大学地测学院,西安 710054

收稿日期:2005-03-25 出版日期:2005-12-01 发布日期:2020-11-23
作者简介:徐文世(1973-),男,吉林四平人,讲师,在读博士研究生,石油地质,(Tel)13552032350 (E-mail)xuwenshi@163.com.

Petroliferous Property in Evaporitic Rocks and Sedimentary Basins

XU Wen-shi¹, YU Xing-he¹, LIU Ni-na², JIANG Hui¹, ZHANG Guang-quan¹

1. Institute of Energy Resources, China University of Geosciences, Beijing 100083, China;
2. College of Geologic Survey, Chang'an University, Xi'an, Shaanxi 710054, China

Received:2005-03-25 Online:2005-12-01 Published:2020-11-23

摘要/Abstract

摘要： 世界上许多大型含油气盆地都有蒸发岩分布,蒸发岩与沉积盆地的含油气性有着非常密切的关系。通过论述蒸发岩与生油岩、油气盖层、油气圈闭和油气运聚的关系认为,蒸发岩对盆地中有机质具有保护作用,部分可以作为优质生油岩; 蒸发岩是非常有效的盖层,具有很好的可塑性和流动性,为油气运移和聚集提供良好的通道网络与丰富多样的圈闭类型; 蒸发岩层底部的超高压为含烃流体的二次运移提供驱动力。因此,蒸发岩对沉积盆地中油气的生成、运移、聚集及保存起着非常重要的作用,进而影响沉积盆地的含油气性。

关键词: 蒸发岩, 盐构造, 沉积盆地, 油气分布

Abstract: Evaporates normally occur in large-scale petroliferous basins in the world, so there exist closely relations between evaporates and petroliferous basins.This paper discusses the relations among evaporates, source rocks, oil-gas caprocks, oil-gas traps, oil-gas migration and accumulation.The study shows that evaporates act as protections for organic matter in basins, parts of them are as good source rocks; evaporates are effective caprocks and of fine plasticity and fluidity, thus providing good systematic networks and multiple trap types for oil-gas migration and accumulation; the overpressure in the bottom of evaporates tends to offer a driving force for secondary migration of hydrocarbon fluids.It is concluded that evaporates play an important role in hydrocarbon generation, migration, accumulation and preservation in sedimentary basins, and have effects on petroliferous property in the sedimentary basins.

Key words: evaporate, salt structure, sedimentary basin, oil-gas distribution

中图分类号:

TE111.3

徐文世, 于兴河, 刘妮娜, 姜辉, 张广权. 蒸发岩与沉积盆地的含油气性[J]. 新疆石油地质, 2005, 26(6): 715-718.

XU Wen-shi, YU Xing-he, LIU Ni-na, JIANG Hui, ZHANG Guang-quan. Petroliferous Property in Evaporitic Rocks and Sedimentary Basins[J]. Xinjiang Petroleum Geology, 2005, 26(6): 715-718.

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