超深层强非均质性气藏早中期产能主控因素及开发优化技术对策——以四川盆地中部安岳气田震旦系气藏为例
蔡珺君,彭先,李骞,占天慧,朱占美,李文,赵翔,张飞,江俊

Controlling factors of productivity in early and middle stage of ultra-deep and highly heterogenous gas reservoir and development strategies optimization: Case study of Sinian gas reservoirs in Anyue gas field, central Sichuan Basin
Junjun CAI,Xian PENG,Qian LI,Tianhui ZHAN,Zhanmei ZHU,Wen LI,Xiang ZHAO,Fei ZHANG,Jun JIANG
表2 灯四段优质储层近井区改造效果描述
Table 2 Description of improvement effect near well area of high quality reservoir in the fourth member of Dengying Formation

储层

类型

裂缝发育情况试井近井区渗透率/(10-3 μm2试井近井区与测井渗透率比值试井双对数曲线酸化施工曲线改造后早期渗流响应
缝洞型较好5~187~30裂缝沟通效果好,近井区表现为早期径向流特征,渗透率高
孔洞型一般0.1~2<7裂缝沟通效果好,近井区表现为人工改造特征,渗透率较高