改进的贝叶斯迭代反演方法及其在白云岩致密储层识别的应用

马琦琦, 孙赞东, 杨柳鑫

Modified Bayesian iterative inversion method and its application to dolomite tight oil reservoirs prediction

Qi-Qi MA, Zan-Dong SUN, Liu-Xin YANG

表2 研究区内实际钻遇优质白云岩厚度与预测厚度吻合率统计

Table 2 Statistics of actual dolomite thickness and predicted thickness in the study area

井名 实际厚度/m 预测厚度/m 吻合率/% 井名 实际厚度/m 预测厚度/m 吻合率/% Well 1 59.56 50 84 Well 9 87 92 94 Well 2 9.79 11 88 Well 10 53.54 54 99 Well 3 72.5 71 98 Well 11 42.56 36 85 Well 4 47.3 48.5 95 Well 12 92.5 79.19 86 Well 5 62.87 54 86 Well 15 71.31 57 80 Well 6 49 49.8 98 Well 16 24.97 27 92 Well 7 65.1 80.9 76 Well 18 55.5 57.2 97 Well 8 54.02 51.05 95 Well 22 80 94 83 总吻合率/% 89.75