川南地区深层页岩气富集条件差异分析与启示

张成林,赵圣贤,张鉴,常程,夏自强,曹埒焰,田冲,冯江荣,方圆,周翊

Analysis and enlightenment of the difference of enrichment conditions for deep shale gas in southern Sichuan Basin

Cheng-lin ZHANG,Sheng-xian ZHAO,Jian ZHANG,Cheng CHANG,Zi-qiang XIA,Lie-yan CAO,Chong TIAN,Jiang-Rong FENG,Yuan FANG,Yi ZHOU

图3 LZ区块、DZ区块页岩微观孔隙类型 (a)LZ区块Y2-7井,4 150.5 m,龙一11小层,有机孔；(b) LZ区块Y2-7井,4 102.3 m,龙一14小层,有机孔;(c) LZ区块Y4-4井,4 140.1 m,龙一13小层,方解石粒内孔;(d) LZ区块Y2-7井,4 110.1 m,龙一14小层,微裂缝;(e) DZ区块Z3井,4 102.1 m,龙一11小层,有机孔;(f) DZ区块Z3井,4 098.7 m,龙一12小层,粒间孔、粒内孔

Fig.3 Microscopic pore types of shale in LZ block and DZ block