川中地区茅口组碳酸盐岩层序地层及沉积相特征*
匡明志1,2, 张小兵1,2, 袁海锋1,2, 陈聪3, 张玺华3, 彭瀚霖3, 徐婷1,2, 肖钦仁1,2, 李天军3, 山述娇3

Sequence stratigraphy and sedimentary facies characteristics of the Maokou Formation carbonate rocks in central Sichuan Basin
KUANG Mingzhi1,2, ZHANG Xiaobing1,2, YUAN Haifeng1,2, CHEN Cong3, ZHANG Xihua3, PENG Hanlin3, XU Ting1,2, XIAO Qinren1,2, LI Tianjun3, SHAN Shujiao3
川中—川北地区茅口组储集层微观岩相特征 A—蓬深12井,5926.3 m,生屑灰岩,生物体腔孔,铸体薄片,单偏光; B—广参2井,4596 m,残余生屑晶粒云岩,原岩恢复可见生屑颗粒幻影,沿体腔孔生长多期白云石,铸体薄片,单偏光; C—蓬阳1井,6006 m,残余生屑云岩,棘皮溶蚀后,沿溶蚀部位生长白云石; D—广参2井,4598 m,残余生屑晶粒云岩,原岩恢复可见生屑幻影结构,生屑内部见溶蚀孔洞,铸体薄片,单偏光; E—蓬阳3井,6058.7 m,全直径岩心截面,见珊瑚虫等生屑溶蚀体腔孔,E-1和E-2分别为岩心部位上的微观薄片照片; F—二崖剖面,P2 m -103-3,生物体腔溶蚀孔,孔壁见多期白云石