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10 高、低阻岩心电性模拟对比 a—饱含水高阻岩心各组分分布;b—高阻岩心饱含水情况下的电流分布;c—饱含水低阻岩心的组分分布;d—低阻岩心饱含水情况下的电流分布;e—含水饱和度为40%时高阻岩心各组分分布;f—高阻岩心40%含水饱和度条件下的电流分布;g—含水饱和度为40%时低阻岩心各组分分布;h—低阻岩心40%含水饱和度条件下的电流分布

Fig.10 Simulation and comparison of electrical properties of high and low resistivity cores a—distribution of components in water-saturated high-resistance cores; b—current distribution in the case of high-resistance core saturated with water; c—component distribution of water-saturated low-resistance cores; d—current distribution in the case of water-saturated low-resistance cores; e—distribution of components of high resistivity core when water saturation is 40%; f—the current distribution of the high-resistance core under the condition of 40% water saturation; g—distribution of components in low-resistance cores when water saturation is 40%; h—the current distribution of the low-resistance core at 40% water saturation