Permeability - Coates & Dumanoir (1973)
Permeability- Coates & Dumanoir (1973)
- Where:
- K= permeability in milidarcys
- Rw= formation water resistivity at formation temperature
- Rt irr= true formation resistivity from a formation at irreducible water saturation (Swirr)
- ɸ = porosity
- C= Coates and Dumanoir constant
- W= Coates and Dumanoir constant
| Calculate Permeability (k) | |||||||
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Results
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| Permeability Results (k) | ||||||
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| c | ɸ (dec) | W | Rw (ohm-m) | Rwtirr (ohm-m) | k (mD) | |
| No results yet | ||||||
Constant W
- Where:
- Rw= formation water resistivity at formation temperature
- Rt irr= true formation resistivity from a formation at irreducible water saturation (Swirr)
- ɸ= porosity
| Calculate Constant W | |||||||
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Results
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| result Constante W | ||||
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| ɸ (dec) | Rw (ohm-m) | Rwtirr (ohm-m) | W | |
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Constant C
- Where:
- ρh = hydrocarbon density in g / cm3
| Calculate Constant C | |||||||
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Results
No results yet
| Constant C Results | ||
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| ρh (g/cm3) | C | |
| No results yet | ||
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