基于分频构形反演方法的河道砂精准预测——以华北冀中探区赵皇庄地区为例

刘鸿洲, 王孟华, 张浩, 彭玲丽, 李雯, 张杰, 赵智鹏, 伍泽荆

Accurate prediction of channel sand based on frequency-divided configuration inversion method:A case study of Zhaohuangzhuang area in Jizhong Sag,Huabei Oilfield

LIU Hong-Zhou, WANG Meng-Hua, ZHANG Hao, PENG Ling-Li, LI Wen, ZHANG Jie, ZHAO Zhi-Peng, WU Ze-Jing

表1 目的层段单砂体厚度预测误差

Table 1 Error prediction for thickness of single sand body in target interval

验证井 Y1井 Y2井 实钻单层砂体厚度/m 4 4.5 6 3.5 1.5 4.5 1.5 3.3 1 4 1.5 预测单层砂体厚度/m 4.6 5.2 6 4.5 0 4.7 2 4 0 4.5 2 单层厚度相对误差/% 15.0 15.6 0 28 未识别 4.4 33.3 25.0 未识别 12.5 33.0 验证井 Y3井 Y4井 实钻单层砂体厚度/m 4 2 4 2 4 6 2 4 2 2 2 8 4 6.5 6 5 5 5 预测单层砂体厚度/m 4 0 4.7 2 3.5 5.8 3 4 0 0 3.5 8 4.5 7 6 6 5.3 6 单层厚度相对误差/% 0 未识别 17.5 0 -12.5 -3.3 50.0 0 未识别 未识别 75.0 0 12.5 7.7 0 20.0 6.0 20.0