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Equivalent Steam Volume Injected - Myhill and Stegemeier Calculator

Ws,eq=2.853×10−6Cw(Tsb−Ta)+fsbLvbCw(Ti−To)+fvdhLvdhW_{s,eq}=2.853\times10^{-6}\frac{C_w(T_{sb}-T_a)+f_{sb}L_{vb}}{C_w(T_i-T_o)+f_{vdh}L_{vdh}}

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

9 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Equivalent Steam Volume Injected - Myhill and Stegemeier calculates equivalent steam volume injected 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.