Water Saturation (Sw)- Simandoux (1963)

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Water Saturation (Sw)- Simandoux (1963)

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
• Vshale= shale volume
• Rshale= shale/clay resistivity value in a formation

Calculate Water Saturation (Sw)
Rw (ohm-m)		ɸ (dec)
Vsh (dec)		Rsh (ohm-m)
Rt (ohm-m)

Results

Water Saturation (Sw) - Results
Rw (ohm-m)	ɸ (dec)	Vsh (dec)	Rsh (ohm-m)	Rt (ohm-m)	Sw (dec)	Sw (%)

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Made by Henry Herrera