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Reservoir Wettability Characterization Rise-in-Core Method Calculator

cos⁡θ12=μ1ρ22−μ2ρ12ρ12ρ22CγL2L1m2t\cos\theta_{12}=\frac{\mu_1\rho_2^2-\mu_2\rho_1^2}{\rho_1^2\rho_2^2C\gamma_{L2L1}}\frac{m^2}{t}

Enter the required inputs, confirm the units, and run the calculator to solve cos_theta_12. Review the formula source and assumptions before using the result in engineering work.

Tabular solver

Inputs

Defaults provide a quick field-unit example for the equation.

8 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Reservoir Wettability Characterization Rise-in-Core Method calculates cosine of liquid-liquid-rock contact angle for rock properties workflows in petrophysics.

View formula, units, and source

Assumptions

  • Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
  • The declared units match the field-unit constants used in the formula.
  • The cited formula applies to the selected petroleum engineering workflow.

Common mistakes

  • Mixing unit systems without converting the inputs.
  • Using default example values as field recommendations.
  • Applying the formula outside the source assumptions.