X凹陷A构造低阻气层成因机理分析

程仁杰, 孙建孟, 刘建新, 迟蓬, 吕馨頔, 胡文亮, 付焱鑫, 赵文兵

Genetic mechanisms of low-resistivity gas zones in structure A of sag X

CHENG Ren-Jie, SUN Jian-Meng, LIU Jian-Xin, CHI Peng, Lyu Xin-Di, HU Wen-Liang, FU Yan-Xin, ZHAO Wen-BING

图9 高、低阻两块数字岩心的矿物组分分布以及孔隙网络模型 a—低阻岩心全貌;b—低阻岩心长石组分;c—低阻岩心伊利石组分;d—低阻岩心孔隙网络模型;e—高阻岩心全貌;f—高阻岩心长石组分;g—高阻岩心伊利石组分;h—高阻岩心孔隙网络模型

Fig.9 Mineral composition distribution and pore network model a—overall picture of low resistivity core; b—feldspar composition in low resistivity cores; c—illite composition in low resistivity cores; d—pore network model for low resistivity cores; e—overall view of high resistivity core; f—feldspar composition in high resistivity core; g—illite components in high resistivity cores; h—pore network model for high resistivity cores