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A smart productivity evaluation method for shale gas wells based on 3D fractal fracture network model
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WEI Yunsheng,WANG Junlei,YU Wei,QI Yadong,MIAO Jijun,YUAN He,LIU Chuxi
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Table 7 P50 values of statistical results of matched parameters.
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| Parameter | Value | Parameter | Value | Fracture
height | 18.2 m | Gas phase endpoint
value of relative
permeability | 96% | Fracture
half length | 99 m | Matrix permeability | 0.45×
10-7 μm2 | Matrix
porosity | 6.3% | Rock compressibility | 5.12×
10-4 MPa-1 | Cluster
efficiency | 79.5% | Permeability
decline coefficient | 0.028 MPa-1 | | Water phase endpoint value of relative permeability | 84.2% | Conductivity of
artificial fracture | 28.6×
10-3 μm2•m | Water saturation
of fracture | 78.1% | Conductivity of
natural fracture | 1.35×
10-3 μm2•m |
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