PetroCalcHubFree
Browse
Reservoir EngineeringWaterflooding and EOR

Ignition Delay Time in In-Situ Combustion Calculator

tig=2.04×10−7MrTa2(1+2RTa/Ea)Rexp⁡(Ea/RTa)EaΔhaϕSoρoAcPO2nt_{ig}=\frac{2.04\times10^{-7}M_rT_a^2(1+2RT_a/E_a)R\exp(E_a/RT_a)}{E_a\Delta h_a\phi S_o\rho_oA_cP_{O2}^{n}}

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

11 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Ignition Delay Time in In-Situ Combustion calculates ignition delay for waterflooding and eor 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.