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

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Fu Jinhua1,2,3, Li Shixiang2,3, Liu Xianyang2,3, Deng Xiuqin2,3
鄂尔多斯盆地延长组长9油层组长91砂岩等厚图