Reservoirs Patterns and Key Controlling Factors of the Lenghu Oil & Gas Field in the Qaidam Basin, Northwestern China

被引：0

作者：

Wengang He

Ehsan Barzgar

Weiping Feng

Liang Huang

机构：

[1] Zunyi Normal University,College of Engineering and Technology

[2] China University of Petroleum,State Key Laboratory of Petroleum Resource and Prospecting

[3] Chinese Academy of Geological Sciences,Institute of Geomechanics

[4] CNPC Logging International,undefined

来源：

Journal of Earth Science | 2021年 / 32卷

关键词：

Lenghu belt; reservoir patterns; controlling factor; potential distribution zones;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The Lenghu area is one of the most crucial tectonic belts for oil and gas exploration in the Qaidam Basin. However, reservoir distribution and the factors controlling petroleum accumulation in this area have not been studied in detail. In this paper, the structural characteristics and controlling factors of oil and gas accumulation in the Lenghu belt are investigated based on seismic profiles combined with drilling logs and microphotographs data. Results indicate that the Lenghu belt has thick source rocks and has preserved hydrocarbon generation conditions. Moreover, structural characteristics and lithology are the key factors controlling the reservoir distribution. The production of oil and gas layers are mainly distributed in high structural points and weak stress zones. The fracture zones and the weak stress zones are the potential places for the distribution of oil and gas reservoirs.

引用

页码：1011 / 1021

页数：10

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