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Reservoir EngineeringFluid Flow in Porous Media

Pseudosteady-State Radial Oil Flow Rate Calculator

qo=kh(pR−pwf)141.2μoBo[ln⁡(re/rw)−0.75+s]q_o=\frac{kh(p_R-p_{wf})}{141.2\mu_oB_o[\ln(r_e/r_w)-0.75+s]}

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

Pseudosteady-State Radial Oil Flow Rate calculates oil flow rate for fluid flow in porous media 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.