A well test analysis model of generalized tube flow and seepage coupling

LIN Jia’en,HE Hui,WANG Yihua

Table 4 Interpretation parameters of Well X3.

Interpretation parameter Interpretation result Interpretation parameter Interpretation result Radial generalized mobility of reservoir 695.51×10-3 μm2/(mPa·s) Skin factor 2.239 7 Vertical generalized mobility of reservoir 0.577 4×10-3 μm2/(mPa·s) Thickness of reservoir 72.210 m Wellbore storage coefficient 82.714 m3/MPa Reservoir radius 320.92 m Apparent wellbore storage coefficient 4.856 7 m3/MPa Opened interval thickness 35.508 m Variable well storage time coefficient 9.550×10–3 h Center position of opened interval 17.754 m Extrapolated formation pressure 66.526 MPa