Productivity simulation of hydraulically fractured wells based on hybrid local grid refinement and embedded discrete fracture model

ZHU Dawei,HU Yongle,CUI Mingyue,CHEN Yandong,LIANG Chong,CAI Wenxin,HE Yanhui,WANG Xiaoyong,CHEN Hui,LI Xiang

Table 2 Comparison of cumulative oil production calculated at different refinement times.

Refinement times Cumulative production/ 104 m3 Relative error/% Refinement times Cumulative production/ 104 m3 Relative error/% 1 21.112 -5.70 16 22.307 -0.37 4 21.734 -2.90 32 22.389 8 22.127 -1.20