Oil Equations
Subtopics:
Metric Units
Type Curves – Dimensionless Variables
Radial Analysis
|
Transmissivity |
|
|
Permeability |
|
|
Total Skin |
|
|
Pressure Drop Due to Skin |
|
|
Flow Efficiency |
|
|
Damage Ratio |
|
|
Radius of Investigation |
|
|
Productivity Index |
|
Linear Analysis
|
Fracture Half-length |
|
|
Channel Width |
|
|
Skin Due to Xf |
|
Horizontal Well Analysis
|
Vertical Permeability |
|
|
Effective Wellbore Length * (Permeability in the y-direction)0.5 |
|
|
Horizontal Permeability |
|
| Note: | Horizontal well length is in the x-direction. |
Field Units
Type Curves - Dimensionless Variables
Radial Analysis
|
Transmissivity |
|
|
Permeability |
|
|
Total Skin |
|
|
Pressure Drop Due to Skin |
|
|
Flow Efficiency |
|
|
Damage Ratio |
|
|
Radius of Investigation |
|
|
Productivity Index |
|
Linear Analysis
|
Fracture Half-length |
|
|
Channel Width |
|
|
Skin Due to Xf |
|
Bilinear Analysis
|
Fracture Conductivity |
|
Horizontal Well Analysis
|
Vertical Permeability |
|
|
Effective Wellbore Length * (Permeability in the y-direction)0.5 |
|
|
Horizontal Permeability |
|
| Note: | Horizontal well length is in the x-direction. |