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8 高、低阻气层压汞曲线及核磁测井各尺寸孔隙占比 a—高、低阻各两块岩心压汞曲线对比;b—低阻气层中各尺寸孔隙占比;c—高阻气层中各尺寸孔隙占比

Fig.8 Mercury injection curve and the proportion of pores of various sizes in NMR logging a—comparison of mercury intrusion curves of two cores with high and low resistance; b—the proportion of pores of each size in the low-barrier gas layer; c—the proportion of pores of each size in the high-barrier gas layer