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

庆城油田西233区块延长组沉积构造特征 a—槽模,B486井,1982.85 m;b—重荷模,B486井,1984.35 m;c—沟模,X252井,2010.2 m;d—包卷层理,X233井,1950.6 m;e—泥岩撕裂屑,Z86井,2412.6 m;f—槽状交错层理,Z98井,2482.5 m;g—块状砂岩,X252井,1970.8 m;h—炭屑,X252井,2009.5 m;i—红色泥砾,X252井,2011.95 m;j—火焰状构造,B486井,1984.95 m;k—楔状层理, B486井,1996.2 m;l—平行层理,C98井,2025.78 m