calculate_simandoux_sw
Calculate water saturation in shaly sands with the Simandoux equation. Input true resistivity, porosity, water resistivity, shale volume, and shale resistivity to determine hydrocarbon presence.
Instructions
Calculate water saturation using Simandoux equation (shaly sands).
Args: rt: True formation resistivity (ohm-m). phi: Porosity (fraction v/v, 0-1). rw: Formation water resistivity (ohm-m). vshale: Shale volume (fraction v/v, 0-1). rsh: Shale resistivity (ohm-m). a: Tortuosity factor. Default 1.0. m: Cementation exponent. Default 2.0. n: Saturation exponent. Default 2.0.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| rt | Yes | ||
| phi | Yes | ||
| rw | Yes | ||
| vshale | Yes | ||
| rsh | Yes | ||
| a | No | ||
| m | No | ||
| n | No |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |