鄂尔多斯盆地上三叠统延长组长9油层组沉积相及其演化*
付金华1,2,3, 李士祥2,3, 刘显阳2,3, 邓秀芹2,3

Sedimentary facies and its evolution of the Chang 9 interval of Upper Triassic Yanchang Formation in Ordos Basin
Fu Jinhua1,2,3, Li Shixiang2,3, Liu Xianyang2,3, Deng Xiuqin2,3
鄂尔多斯盆地西北部C 89井长9油层组沉积相综合柱状图