收稿日期: 2013-05-23
修回日期: 2013-07-16
网络出版日期: 2014-06-10
基金资助
中国石油天然气股份有限公司科学研究与技术开发项目“柴达木盆地油气勘探开发关键技术研究”（编号：07-01z-01-02）资助.
Petroleum Geological Conditions and Exploration Potential of Lower Youshashan Formation in Eastern Yingxiong Mountain of Western Qaidam Basin
Received date: 2013-05-23
Revised date: 2013-07-16
Online published: 2014-06-10
易定红，石亚军，倪祥龙，马新民，吴武军 . 柴达木盆地西部英雄岭东段下油砂山组油气地质条件及勘探潜力[J]. 天然气地球科学, 2014 , 25(6) : 818 -823 . DOI: 10.11764/j.issn.1672-1926.2014.06.818
Exploration practice shows that the middle-shallow layer from the upper Ganchaigou Formation to the lower Youshashan Formation have great potential for oil and gas exploration in the Yingxiong Mountain in the western Qaidam Basin.Based on the systematical analysis of the mouth bar and distal bar sandstones of the lower Youshashan Formation from the Yingdong faulted anticline to Wudong slope in the eastern Yingxiong Mountain in the western Qaidam Basin from the aspects of its development scale,horizontal distribution,varying regulation,major fault flat form,extend range,trap development condition,oil source condition and oil/gas show,it is suggested that the area from the east of the well Sha39 in Yingdong faulted anticline to the north of the well Wu 28 in Wunan fault nose has good oil-gas geological condition.This area has geological conditions favorable for the development of structural traps and lithologic traps with tectonic settings.It is the important succeeding region of the following oil and gas exploration.
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