基于叠前同时反演的致密砂岩储层预测及含气性识别—

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

图5 盒8段各弹性参数交会图及直方图(样本点来自W1、W2、W3井)
a—纵波阻抗与纵横波比交汇区分岩性;b—纵波阻抗与纵横波比交汇区分储层;c—纵波阻抗与孔隙度交汇图;d—纵横波比分布概率直方图;e—泊松比分布概率直方图;f—杨氏模量分布概率直方图

Fig.5 Intersection graphs and histograms of various elastic parameters in H8 section
a—intersection graphs of P-impedance and v_p/v_s to distinguish lithology;b—intersection graphs of P-impedance and v_p/v_s to distinguish reservoir;c—intersection graphs of P-impedance and Porosity;d—histogram of v_p/v_s distribution probability;e—histogram of Poisson's ratio distribution probability;f—histogram of Young's Modulus distribution probability