of Jura ssic Stratigraphic in Ordos Basin ZHOU kai 1,2 ,WEI Yan-ping 2 , ZHANG Ang-ang 2 ,CUI Gao-tao 3 ,YIN Piang 2 ,LI Yan 1 (1.Xi’an, Shiyou University, Shaanxi Xi’an 710065 , China ; 2. Yanchang pany, Shaanxi Yanan 716000 , China ; 3. Yanchang Petroleum Group oil and Gas E pany, Shaanxi Yanan 716000 , China ) Abstract :Combined with marker bed, jurassic stratigraphic in Ordos basin was divided into An’ding formation , Zhiluo formation , Yan’an formation and Fuxian formation by the method of logging facies and lithofacies, then the Yan'an formation was divided an d compared ,which has important significance to stead y increase oil and gas production in future and to find oil and gas target. Key words :Ordos basin; Jurassic; Yan’an formati on; Stratigraphic division and correlation
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