Research Article

Production Behavior of Fractured Horizontal Well in Closed Rectangular Shale Gas Reservoirs

Table 1

Basic data used in analysis of examples.

Input parametersValue

Initial reservoir pressure, (MPa)25
Initial reservoir temperature, (K)320
Formation thickness, (m)60
Half fracture length, (m)30
Gas specify gravity, (dimensionless)0.65
Initial compressibility of gas, (MPa−1)0.01
Flowing pressure in bottom hole, (MPa)1
Permeability of microfracture system, (mD)0.01
Permeability of matrix pores system, (mD)0.0001
Porosity of microfracture system, (dimensionless)0.02
Porosity of matrix pores system, (dimensionless)0.12
Skin factor, (dimensionless)0.1
Wellbore storage coefficient, (m3/MPa)10−6
Langmuir pressure, (MPa)4
Langmuir volume, (m3/m3)10
Number of fractures, (integer)3
Effective horizontal well length, (m)1200
Outer boundary size in x-axis, (m)400
Outer boundary size in y-axis, (m)2000
Shape factor, (1/m2)10−5