Research Article
A New Way to Calculate Flow Pressure for Low Permeability Oil Well with Partially Penetrating Fracture
Table 1
Basic data of the system.
| | parameters | value |
| | saturation pressure | 25 MPa | | oil viscosity | 1.21 mPa·s | | oil density | 0.79 g/cm3 | | water compressibility | 4.9 × 10-4 MPa−1 | | oil volume coefficient | 1.21 m3/m3 | | porosity | 0.12 | | injection pressure | 46 MPa | | effective thickness | 5 m | | formation temperature | 158°F | | water viscosity | 1.6 mPa·s | | dissolved gas and oil ratio | 22.31 m3/m3 | | oil compressibility | 8.1 × 10-4 MPa−1 | | rock Compressibility | 4.5 × 10-4 MPa−1 | | permeability | 1.2 mD | | original formation pressure | 27 MPa | | injecting water intensity | 0.044 m3/(d·MPa·m) |
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