基于麻雀搜索算法的致密砂岩储层参数非线性反演方法

曹绍贺, 黄中群, 袁春艳, 马百征, 王群武, 张奎

Nonlinear inversion of tight sandstone reservoir parameters using the sparrow search algorithm

CAO Shao-He, HUANG Zhong-Qun, YUAN Chun-Yan, MA Bai-Zheng, WANG Qun-Wu, ZHANG Kui

表1 含气砂岩与泥岩双层模型

Table 1 The double-layer model contains gas-bearing sandstone and mudstone

Kf/Pa Km/Pa μm/Pa Vp/(km·s-1) Vs/(km·s-1) ρ/(kg·m-3) ? 含气砂岩 1.0×108 3.2×1010 3.4×1010 4.69 3.09 2900 0.10 泥岩 2.40×109 2.0×1010 7×109 3.49 1.60 2500 0.05