Water Saturation (Sw) - Archie (1942)
Water Saturation (Sw) - Archie (1942)
- Where:
- Sw= water saturation of the uninvaded zone
- Rt= true formation resistivity (i.e., deep induction or deep laterolog corrected for invasion)
- Rw= resistivity of formation water at formation temperature
- ɸ= porosity
- a= tortuosity factor
- m= cementation exponent
- n= saturation exponent
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Results
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| Water Saturation (Sw) - Results | ||||||||
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| a | Rw (ohm-m) | Rt (ohm-m) | ɸ (dec) | m | n | Sw (dec) | Sw (%) | |
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