川中高石1井区灯影组二段早成岩期岩溶特征及其对储集层的影响*
曾建军1,2, 谭秀成1,2, 赵东方1,2, 何如意1,2, 罗文军3, 刘耘3, 徐伟3, 李绍瑞1,2, 邓禹1,2, 吴昊1,2

Characteristics of eogenetic karst and its influence on reservoir of the Member 2 of Dengying Formation from Wellblock GS1, central Sichuan Basin
ZENG Jianjun1,2, TAN Xiucheng1,2, ZHAO Dongfang1,2, HE Ruyi1,2, LUO Wenjun3, LIU Yun3, XU Wei3, LI Shaorui1,2, DENG Yu1,2, WU Hao1,2
川中高石1井区灯影组二段主要岩石类型 a—泥晶云岩,普通薄片(-),高石1井,灯二段,5666 m;b—平直状叠层石云岩,普通薄片(-),高石6井,灯二段,5359.18 m;c—丘状叠层石云岩,岩心,高石2井,灯二段,5390.29~5360.36 m;d—分散状凝块云岩,岩心,高石6井,灯二段,5631.04~5631.11 m;e—顺层状凝块云岩,发育顺层状溶孔(洞),岩心,高石11井,灯二段,5380.17~5380.23 m;f—格架状凝块云岩,见残余格架孔,蓝色铸体(-),高石11井,灯二段,5380.28 m;g—格架状凝块云岩,见残余格架孔,岩心,高石009-H3井,灯二段,5474.00~5474.13 m;h—颗粒云岩,发育孤立的溶蚀孔洞,岩心,高石11井,灯二段,5375.05~5375.19 m;i—颗粒云岩,发育残余粒内孔、铸模孔,蓝色铸体(-),高石11井,灯二段,5375.19 m;j—原岩被溶缝切割形成近原地角砾云岩,溶缝内部被白云石全充填,高石009-H3井,灯二段,5453.62~5453.77 m;k—溶洞充填角砾云岩,高石11井,灯二段,5378.20~5378.30 m