Corey Relative Permeability Curves
Spreadsheet
27 rows x 4 columns
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Corey Relative Permeability Model | |||
| 2 | Model Parameters | |||
| 3 | Swi | 0.2 | fraction | |
| 4 | Sorw | 0.25 | fraction | |
| 5 | Krow @ Swi | 1 | - | |
| 6 | Krw @ Sorw | 0.35 | - | |
| 7 | No (oil exponent) | 2.5 | - | |
| 8 | Nw (water exponent) | 2 | - | |
| 9 | ||||
| 10 | Relative Permeability Table | |||
| 11 | Sw | Krow | Krw | So |
| 12 | 0.2 | 1 | 0 | 0.8 |
| 13 | 0.25 | 0.7879856109 | 0.002892561983 | 0.75 |
| 14 | 0.3 | 0.6055145184 | 0.01157024793 | 0.7 |
| 15 | 0.35 | 0.4510692842 | 0.02603305785 | 0.65 |
| 16 | 0.4 | 0.3230452705 | 0.04628099174 | 0.6 |
| 17 | 0.45 | 0.2197335707 | 0.07231404959 | 0.55 |
| 18 | 0.5 | 0.1392974922 | 0.1041322314 | 0.5 |
| 19 | 0.55 | 0.07973853741 | 0.1417355372 | 0.45 |
| 20 | 0.6 | 0.03884377447 | 0.1851239669 | 0.4 |
| 21 | 0.65 | 0.01409591513 | 0.2342975207 | 0.35 |
| 22 | 0.7 | 0.002491829294 | 0.2892561983 | 0.3 |
| 23 | 0.75 | 0 | 0.35 | 0.25 |
| 24 | ||||
| 25 | Key Metrics | |||
| 26 | Mobile Oil (1-Swi-Sorw) | 0.55 | fraction | |
| 27 | Crossover Sw | 0.475 | (approximate) |
Description
Generate oil-water relative permeability curves using the Corey power-law model. This simple model requires only endpoint values and exponents, making it ideal for screening studies.
Parameters:
- Swi: Irreducible water saturation (immobile water)
- Sorw: Residual oil saturation (oil left after waterflood)
- No, Nw: Curvature exponents (higher = more concave)
How to use this blueprint
- In Excel, go to the Petroleum Office ribbon tab and click Blueprint Manager
- Search for Corey Relative Permeability Curves
- Click on the blueprint to preview the spreadsheet template
- Click Insert to place it into your worksheet. Modify the input values to match your data.