Classification of Crude Group in Ying'er Sag and Its Exploratory Significance

Abstract

Abstract: The crude oil from Ying'er sag in Jiuquan basin features similar nature in geochemistry, but it can be divided into three groups based on given oil group, light hydrocarbons and biomarker data integrated with geologic productive reservoir of the crude oil. The oil source correlation shows that these groups are related to the source rocks in Zhonggou formation, Lower Xiagou formation and Chijinbu formation. The three sets of self-existent hydrocarbon accumulation systems in Ying'er sag should be paid more attention to during further exploration in this area.

Key words: Jiuquan basin, Lower Cretaceous, crude group, biomarker, source correlation

CLC Number:

TE112.114

HAN Yong-ke, ZHANG Li, HAN Xiao-song, YANG Zhi-ming. Classification of Crude Group in Ying'er Sag and Its Exploratory Significance[J]. Xinjiang Petroleum Geology, 2007, 28(2): 146-149.

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Classification of Crude Group in Ying'er Sag and Its Exploratory Significance

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