基于离散裂缝的多段压裂水平井数值试井模型及应用

万义钊, 刘曰, 吴能友, 胡高伟

A NUMERICAL WELL TEST MODEL FOR MULTI-FRACTURED HORIZONTAL WELLS BASED ON DISCRETE-FRACTURE MODEL AND ITS APPLICATION

Wan Yizhao, Liu Yuewu, Wu Nengyou, Hu Gaowei

表2 A压裂施工数据及试井解释的裂缝参数

Table 2 The fracturing data and parameters of fractures of well-A from the well test interpreation

Index Bridge plug seating position（m） Sand injection（m3） Fracture length computed from equation (19)（m） Fracture length from well test interpration（m） Fracture conductivity from well test interpretation（mD·m） 1 51.10 118.90 83.00 65.90 2 4035.70 59.50 138.45 108.00 91.50 3 3940.00 60.70 141.24 92.60 91.50 4 3852.00 50.50 117.50 102.30 90.15 5 3756.00 61.60 143.33 94.70 90.50 6 3669.00 61.10 142.17 107.70 89.10 7 3583.30 51.50 119.83 112.50 131.40 8 3492.00 59.80 139.14 96.60 125.10 9 3402.00 51.30 119.37 85.20 92.70 10 3313.00 14.60 33.97 39.30 311.40 11 3224.00 61.70 143.57 124.50 107.70 12 3134.00 66.00 153.57 125.30 139.50 13 3044.00 54.50 126.81 85.10 95.10 14 2954.00 57.10 132.86 124.20 90.50 15 2864.00 56.30 131.00 91.40 109.50 16 2774.00 56.40 131.23 115.80 91.50 17 2685.00 60.80 141.47 109.80 91.50