冀中坳陷杨税务地区奥陶系岩相古地理特征及其对潜山内幕储集层的控制作用*
季汉成1,2, 陈亮1,2,3, 孙予舒1,2, 史燕青1,2, 向鹏飞1,2, 杨志波1,2

Ordovician lithofacies palaeogeography characteristics and their controlling effect on the reservoirs of buried hills in Yangshuiwu area,Jizhong Depression
JI Hancheng1,2, CHEN Liang1,2,3, SUN Yushu1,2, SHI Yanqing1,2, XIANG Pengfei1,2, YANG Zhibo1,2
冀中坳陷杨税务地区奥陶系沉积微相岩性特征 潮上带: A—安探3井,井深4805.30 m,泥质白云岩,泥质呈条带状,O2 m 5,单偏光; B—安探3井,井深4807.78 m,泥晶云岩,膏溶孔被方解石充填,O2 m 5,单偏光; C—安探2X井,井深4938 m,泥晶白云岩,米粒状膏溶孔,O2 m 5,单偏光; 潮间带: D—安探2X井,井深5033 m,纹层状泥质灰岩,条带状,单偏光; E—务古1井,井深4965.23 m,纹层状粉晶灰质云岩,O2 m 4,单偏光; F—安探3井,井深4865.0 m,粉晶灰质云岩,O2 m 5,单偏光; G—安探4X井,井深5050.0 m,白云质灰岩,细晶白云石,O2 m 4,单偏光; H—安探4X井,井深4971.0 m,含生屑泥晶灰岩,O2 m 4,单偏光; I—安探4X井,井深4990.0 m,生屑泥晶灰岩,O2 m 4,单偏光; 潮下带: J—安探4X井,井深5652.0 m,砂屑颗粒白云岩,O2 m 3,单偏光; K—务古1井,井深4959.30 m,生物碎屑藻砂屑灰岩,O2 m 4,单偏光; L—务古1井,井深4964.45 m,泥晶灰岩,缝合线,O2 m 4,单偏光