Calculate Total Resistivity (Rt)

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List of equations assignment

Total Resistivity (Rt)

Total resistividad (Rt) can be calculated from Archie's equation. This equation is compound by the values of water resistivity, tortuosity, porosity, and cementation and saturation exponents. This is the expression:

Where:
• 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

Calculate Total Resistivity (Rt)
a:		Rw: ohm-m
ɸ: Decimal		m:
Sw: Decimal		n:

Made by Henry Herrera