塔里木盆地西端中生界沉积环境与油气地质特征

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (1): 10-14.

塔里木盆地西端中生界沉积环境与油气地质特征

刘胜^1,2, 邱斌², 陈新安², 李勇², 赵卫东², 张现军², 郑亚芳²

1.中国石油大学,北京102249;
2.中国石油塔里木油田分公司,新疆库尔勒841000

收稿日期:2005-04-12 修回日期:2005-04-12 发布日期:2020-10-19
作者简介:刘胜（ 1969-）,男,陕西西安人,高级工程师,在读博士研究生,构造地质学,（Tel）0996- 2171500（E- mail）TZliusheng@sohu.com.

Sedimentary Setting of Mesozoic and Its Petroleum Geologic Featur es in Western Tar im Basin

LIU Sheng^1,2, QIU Bin², CHEN Xin-an², LI Yong², ZHAO Wei-dong², ZHANG Xian-jun², ZHEN Ya-fang²

1. China University of Petroleum, Beijing, 102249, China;
2. Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China

Received:2005-04-12 Revised:2005-04-12 Published:2020-10-19

摘要/Abstract

摘要： 对塔里木盆地西端喀什凹陷地区地球物理和地面地质资料的综合分析表明,该地区中生界具有多个沉积中心,总体上西厚东薄,向东尖灭。侏罗系具有塔拉斯- 费尔干纳断裂带内的断陷盆地和南天山、西昆仑山前坳陷两个沉积体系,它们之间具有明显的岩相差别。以这两个体系的烃源岩为基础,相应地发育两个体系的含油气系统。喀什凹陷中生界的油气地质特征明显不同于东部库车坳陷与西部阿富汗- 塔吉克盆地,造成这种差异的主要原因是中生代期间的沉积环境不同。

关键词: 塔里木盆地, 喀什凹陷, 中生界, 沉积环境, 油气远景

Abstract: The geophysical information and surface geologic data from Kashi sag in Tarim basin are comprehensively analyzed. The study shows that several sedimentary centers appear in Mesozoic of this area, characterized by that the thickness in the west is bigger than that in the east and pinch-out toward the east. There exist two sedimentary systems in Jurassic: one is the fault basin within Talas-Ferghana fracture belt; the other is the piedmont depressions in South Tianshan and West Kunlun mountains, with distinct differences between them in lithology. Accordingly, the source rocks in the two systems produce two petroleum systems, and the petroleum geologic feature of Mesozoic in Kashi sag is obviously different with Kuqa depression in the east and Afghanistan-Tajikistan basin in the west. It is believed that the reason for such differences is that the sedimentary settings in Mesozoic era are different among them.

Key words: Tarim basin, Kashi sag, Mesozoic, sedimentary setting, petroleum potential

中图分类号:

TE111.3

刘胜, 邱斌, 陈新安, 李勇, 赵卫东, 张现军, 郑亚芳. 塔里木盆地西端中生界沉积环境与油气地质特征[J]. 新疆石油地质, 2006, 27(1): 10-14.

LIU Sheng, QIU Bin, CHEN Xin-an, LI Yong, ZHAO Wei-dong, ZHANG Xian-jun, ZHEN Ya-fang. Sedimentary Setting of Mesozoic and Its Petroleum Geologic Featur es in Western Tar im Basin[J]. Xinjiang Petroleum Geology, 2006, 27(1): 10-14.

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