鄂尔多斯盆地庆城油田延长组页岩层系层序地层与沉积相特征<sup>*</sup>

鄂尔多斯盆地庆城油田延长组页岩层系层序地层与沉积相特征^*

刘明成^1,², 吴胜和^1,², 万晓龙^1,^2,⁴, 李桢³, 樊建民³, 陈朝晖^1,², 王梓沣^1,², 刘海旭^1,²

Sequence stratigraphy and sedimentary facies characteristics of the shale strata of Yanchang Formation in Qingcheng Oilfield,Ordos Basin

LIU Mingcheng^1,², WU Shenghe^1,², WAN Xiaolong^1,^2,⁴, LI Zhen³, FAN Jianmin³, CHEN Zhaohui^1,², WANG Zifeng^1,², LIU Haixu^1,²

鄂尔多斯盆地西233区块延长组LSC4内部中期旋回沉积相平面分布图 a—MSC4-1;b—MSC4-2;c—MSC4-3;d—MSC4-4;e—MSC4-5;f—MSC4-6;g—MSC4-7