四川盆地二叠系龙潭组页岩孔隙发育特征及主控因素
陈斐然(
),魏祥峰,刘珠江,敖明冲,燕继红
),魏祥峰,刘珠江,敖明冲,燕继红
Pore development characteristics and main controlling factors of the Permian marine-continent transitional shale in the Sichuan Basin
Fei-ran CHEN(),Xiang-feng WEI,Zhu-jiang LIU,Ming-chong AO,Ji-hong YAN
),Xiang-feng WEI,Zhu-jiang LIU,Ming-chong AO,Ji-hong YAN
图5. 龙潭组和吴家坪组泥页岩不同类型孔隙特征
(a）黏土矿物孔、微裂隙，炭质泥岩，DYS1井，井深2 969.11 m；（b）黏土矿物孔、微裂隙，炭质泥岩，DYS1井，井深2 988.61 m；（c）高等植物残片中生物结构孔，炭质泥岩，DYS1井，井深2 971.86 m；（d）高等植物内发育的气孔，炭质泥岩，DYS1井，井深2 969.11 m；（e）发育大量有机孔，吴家坪组，利川沙溪；（f）蜂窝状有机孔隙，吴家坪组，利川沙溪
Fig. 5. Pore characteristics of different types of shale in Longtan Formation and Wujiaping Formation
