Sedimentary characteristics and evolution of Paleogene Lower Xiaganchaigou Formation in northern Mahai area, northern margin of Qaidam Basin

  • CHENG Jingbo
Expand
  • 1. Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000, China; 2 . Research Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Dunhuang 736202, China

Online published: 2011-12-20

Abstract

Based on the analysis of sedimentary sequence, cores, grain size, well logging data, the sedimentary characteristics and evolution of Lower Xiaganchaigou Formation of Paleogene in northern Mahai area,northern margin of QaidamBasin,were studied. The result shows that the Lower Xiaganchaigou Formation displays an obvious regression, and the sedimentary facies is mainly braided fluvial facies. The study on sedimentary systems demonstrates the sedimentary facies distribution and evolution rule more clearly, which provides reliable geologic information for the next exploration activity.

Cite this article

CHENG Jingbo . Sedimentary characteristics and evolution of Paleogene Lower Xiaganchaigou Formation in northern Mahai area, northern margin of Qaidam Basin[J]. Lithologic Reservoirs, 2011 , 23(6) : 56 -61 . DOI: 10.3969/j.issn.1673-8926.2011.06.010

References

[1] 张景廉,石兰亭,陈启林,等.柴达木盆地地壳深部构造特征及油气勘探新领域[J].岩性油气藏,2008,20(2):29-36.
[2] 刘伟,闫林,顾家裕,等.柴达木盆地西部占近系与新近系的地震相[J].天然气工业,2008,28(5):35-38.
[3] 杨永剑,刘家铎,孟万斌,等.柴达木盆地北缘潜西地区古近系储层发育特征及主控因素[J].岩性油气藏,2010,22(增刊):60-65.
[4] 孟万斌,李敏,刘家铎,等.柴达木盆地北缘潜西地区路乐河组末端扇沉积体系分析[J].岩性油气藏,2010,22(4):37-42.
[5] 刘殿鹤,李凤杰,郑荣才,等.柴北缘西段古近系下干柴沟组沉积相特征分析[J].天然气地球科学,2009,20(6):847-853.
[6] 蒋斌,李凤杰,郑荣才,等.柴达木盆地北缘西段古近系路乐河组沉积相特征研究[J].岩性油气藏,2010,22(1):48-52.
[7] 刘琪,李凤杰,郑荣才,等.柴达木盆地北缘西段新近系上干柴沟组高分辨率层序地层学研究[J].岩性油气藏,2010,22(1):65-69.
[8] 王鹏,赵澄林.柴达木盆地北缘地区第三系碎屑岩储层沉积相特征[J].石油大学学报:自然科学版,2001,25(1):12-16.
[9] 姜在兴.沉积学[M].北京:石油工业出版社,2003:87-112.
[10] 朱筱敏.沉积岩石学[M].北京:石油工业出版社,2008:71-79.
[11] 杨平,陈晔,刘泽纯.柴达木盆地自然伽马曲线在古气候及沉积环境研究中的应用[J].古地理学报,2003,5(1):94-102.
[12] 黄瑞华.祁连山地区大地构造演化及其性质特征[J].大地构造与成矿学,1996,20(2):95-104.
[13] 赖绍聪,邓晋福,赵海玲.柴达木北缘奥陶纪火山作用与构造机制[J].西安地质学院学报,1996,18(3):8-14.
Outlines

/