地震波形指示反演方法在叠置薄砂岩预测中的应用——以松辽盆地南部乾安油田高台子油层为例
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杨光, 王立贤, 胡佳, 刘智军, 张红杰, 王云鹤, 孙龙, 张旭升, 陈彦虎
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Application of the seismic meme inversion method in predicting superimposed thin sandstones: A case study of the Gaotaizi oil layer in the Qian'an oilfield,southern Songliao Basin
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YANG Guang, WANG Li-Xian, HU Jia, LIU Zhi-Jun, ZHANG Hong-Jie, WANG Yun-He, SUN Long, ZHANG Xu-Sheng, CHEN Yan-Hu
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表1 地震波形指示反演砂岩厚度符合率统计
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Table 1 Statistics of sandstone thickness coincidence rate of SMI inversion
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| 井类型 | 井名 | 井点砂岩
厚度/m | 预测砂岩
厚度/m | 绝对误差
/m | 相对误差
绝对值/% | | 参与井 | Q118 | 2.0 | 1.8 | 0.2 | 10.0 | | Q118-2 | 6.9 | 7.5 | -0.6 | 8.7 | | Q119 | 6.0 | 5.5 | 0.5 | 8.3 | | Q126 | 9.6 | 10.2 | -0.6 | 6.3 | | Q162 | 11.4 | 10.5 | 0.9 | 7.9 | | Q162-1 | 11.8 | 11.1 | 0.7 | 5.9 | | Q162-2 | 9.0 | 8.4 | 0.6 | 6.7 | | Q162-3 | 8.5 | 8.3 | 0.2 | 2.4 | | Q163 | 8.5 | 9.0 | -0.5 | 5.9 | | Q163-1 | 3.0 | 3.5 | -0.5 | 16.7 | | Q163-2 | 6.9 | 7.5 | -0.6 | 8.7 | | Q163-3 | 8.2 | 8.6 | -0.4 | 4.9 | | Q163-4 | 4.0 | 4.5 | -0.5 | 12.5 | | Q163-5 | 2.6 | 2.2 | 0.4 | 15.4 | | Q164 | 10.7 | 10.1 | 0.6 | 5.6 | | Q164-1 | 8.0 | 8.5 | -0.5 | 6.3 | | Q164-2 | 8.8 | 8.2 | 0.6 | 6.8 | | Q164-3 | 3.6 | 3.1 | 0.5 | 13.9 | | Q164-4 | 12.1 | 13.1 | -1.0 | 8.3 | | 验证井 | Q2-3 | 4.8 | 5.5 | -0.7 | 14.6 | | Q2-5 | 9.6 | 8.6 | 1.0 | 10.4 | | Q2-9 | 17.4 | 15.8 | 1.6 | 9.2 | | Q2-11 | 6.6 | 7.5 | -0.9 | 13.6 | | Q2-13 | 8.2 | 7.1 | 1.1 | 13.4 | | Q3-1 | 4.0 | 4.6 | -0.6 | 15.0 | | Q3-2 | 3.4 | 2.4 | 1.0 | 29.4 | | Q3-3 | 5.6 | 6.3 | -0.7 | 12.5 |
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