基于叠前同时反演的致密砂岩储层预测及含气性识别——以苏里格S区块为例

张德明, 刘志刚, 臧殿光, 廖显锋, 刘志毅, 刘国宝

Prediction and identification of gas-bearing properties of tight sandstone reservoirs through simultaneous pre-stack inversion:A case study of block S in Sulige gas field

ZHANG De-Ming, LIU Zhi-Gang, ZANG Dian-Guang, LIAO Xian-Feng, LIU Zhi-Yi, LIU Guo-Bao

表1 岩石物理建模输入参数

Table 1 Input parameter table of petrophysical modeling

参数类别 参数数值 温度 115℃ 压力 4060 psi 地层水矿化度 1.106 g/L 砂岩 Kp,sand=3.78e10 N·m-2;mμs,sand=4.43e10 N·m-2; ρsand=2.65 g·cm-3;αsand=0.09 泥岩 Kp,sh=3.2e10N·m-2;mμs,sh=1.05e10N·m-2; ρsh=2.6 g·cm-3;αsh=0.056