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Reservoir EngineeringThermal Gradients

Volumetric Heat Capacity of a Reservoir Calculator

Mr=(1−ϕ)Ms+ϕSoMo+ϕSwMw+ϕSg[fgMg+(1−fg)(LvρsΔT+ρsCw)]M_r=(1-\phi)M_s+\phi S_oM_o+\phi S_wM_w+\phi S_g\left[f_gM_g+(1-f_g)\left(\frac{L_v\rho_s}{\Delta T}+\rho_sC_w\right)\right]

Enter the required inputs, confirm the units, and run the calculator to solve M_r. 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.

13 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Volumetric Heat Capacity of a Reservoir calculates volumetric heat capacity of reservoir for thermal gradients workflows in reservoir engineering.

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.