Automatic well test interpretation based on convolutional neural network for a radial composite reservoir
LI Daolun,LIU Xuliang,ZHA Wenshu,YANG Jinghai,LU Detang
Table 6 Comparison of interpretation parameters from the proposed CNN method and least square method.
Field case Parameter Interpretation value
of the CNN method
Interpretation value
of least square method
Relative Error/%
1 K 1.277×10-3 μm2 10.082×10-3 μm2 -689.51
S -2.693 6 1.275 9 147.37
C 0.044 6 m3/MPa 0.049 5 m3/MPa -10.99
M 8.766 3 8.164 3 6.87
F 1.624 6 0.140 6 91.35
6 K 17.935×10-3 μm2 15.604×10-3 μm2 13.00
S 1.843 0 1.313 3 28.74
C 0.015 2 m3/MPa 0.016 2 m3/MPa -6.58
M 10.974 4 6.988 1 36.32
F 0.163 3 0.083 3 48.99