柴达木盆地北缘主要构造带构造演化与油气成藏关系

李明义, 岳湘安, 江青春, 吴珍珍, 张春楠, 魏学斌, 邓生青

doi:10.11764/j.issn.1672-1926.2012.03.461

天然气地球科学 >

2012 , Vol. 23 >Issue 3: 461 - 468

DOI: https://doi.org/10.11764/j.issn.1672-1926.2012.03.461

天然气地质学

柴达木盆地北缘主要构造带构造演化与油气成藏关系

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1.中国石油大学(北京)，北京 102249; 2.中国石油吉林油田公司，吉林松原 138001；
3.中国石油勘探开发研究院，北京 100083；4.中国石油青海油田公司，甘肃敦煌 736202

李明义(1971-)，男，辽宁朝阳人，高级工程师，主要从事油田开发技术研究与管理工作.E-mail：limy-jl@petrochina.com.cn.

收稿日期: 2012-03-02

修回日期: 2012-05-06

网络出版日期: 2012-06-10

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Relationship between Hydrocarbon Accumulation and Tectonic Evolution in Main Structural Belt of the Northern Border of Qaidam Basin

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1.China University of Petroleum(Beijing),Beijing 102249,China;
2.PetroChina Jilin Oilfield Company，Songyuan 138001,China；
3.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China；
4.PetroChina Qinghai Oilfield Company,Dunhuang 736202,China

Received date: 2012-03-02

Revised date: 2012-05-06

Online published: 2012-06-10

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摘要

柴达木盆地北缘(柴北缘)是在前中生代基底断块的基础上，自侏罗纪开始，受特提斯构造域演化和青藏高原地块碰撞拼合的影响，在区域压扭的动力学背景下，形成并发展、演化的一个中新生代内陆压扭性盆地，受北缘祁连山逆冲走滑的影响，北缘山前带主要形成了平台凸起山前带、冷湖—南八仙构造带、鄂博梁—鸭湖构造带等重点构造。在柴北缘主要构造带上选择有代表性的重点构造，研究其构造演化史和油气成藏史之间的匹配关系，并在解剖重点构造的基础上优选主要构造带，所取得的认识对该地区油气勘探具有重要的指导意义。

关键词： 主要构造带; 重点构造; 构造演化; 油气成藏; 关键时刻

本文引用格式

李明义, 岳湘安, 江青春, 吴珍珍, 张春楠, 魏学斌, 邓生青 . 柴达木盆地北缘主要构造带构造演化与油气成藏关系[J]. 天然气地球科学, 2012 , 23(3) : 461 -468 . DOI: 10.11764/j.issn.1672-1926.2012.03.461

Abstract

The northern border of Qaidam basin is a compressional basin or transpressional inland basin developed during the mid-Cainozoic times. This area,derived from the pre-Mesozoic basement blocks,has long been under the impact of Tethys tectonic evolution and the collision of Qinghai-Tibet Plateau since the Jurassic Period and becomes what it is now like because of regional squeezing or twisting. Due to the thrust strike slip of Qilian Mountain in the north of Qaidam,the front of northern Qaidam is mainly of salient plateau,Lenghu Lake\|Nanbaxian structure zone,and Eboliang\|Yahu structure zone. This paper analyzes the corresponding relationship between the tectonic evolution history and oil and gas accumulation of this area,with the optimization of the main tectonic zone based on anatomical key structure. The conclusion shall be of great importance to the oil and gas exploration of the area.

Key words： Primary structure zone; Key structure; Tectonic evolution; Oil and gas accumulation; Critical moment.

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