Evaluation of Ordovician Source Rocks in Western Margin of Ordos Basin

doi:10.7657/XJPG20150210

Abstract

Abstract: It has been a bottleneck in oil and gas resources evaluation and exploration progress for low studied degree of the Ordovician source rocks and hydrocarbon?generated potential in western margin of Ordos basin. This paper systemically analysed the general characteristics and hydrocarbon?generated potential of them by means of organic petrology and geochemistry methods. The study shows that the Ordovician source rocks are mainly developed in Kelimoli formation and Wulalike formation in this basin, which is a set of deep marine shale and muddy carbonate rocks of wide distribution and large thickness. The Ordovician source rock is characterized by high abundance of organic matter, kerogen type?Ⅰfollowed by type?Ⅱ1 and high to over maturity stage, with good hydrocarbon potential, and the hydrocarbon generating centers of the north?south belt crossing Tianhuan central district Huitan?1well?Na?1well?Di’e?3well could be the favorable exploration targets in the future

CLC Number:

TE112.113

WU Chunying, JIA Yani, HAN Huiping, KANG Rui, HUANG Zhengliang, SUN Liuyi. Evaluation of Ordovician Source Rocks in Western Margin of Ordos Basin[J]. , 2015, 36(2): 1-1.

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Evaluation of Ordovician Source Rocks in Western Margin of Ordos Basin

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