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Drilling EngineeringDirectional Drilling

Radius-of-Curvature Build Section Departure Calculator

ΔDEP=180ΔMD(cos⁡I1−cos⁡I2)π(I2−I1)\Delta DEP=\frac{180\Delta MD(\cos I_1-\cos I_2)}{\pi(I_2-I_1)}

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

3 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Radius-of-Curvature Build Section Departure calculates horizontal departure through build section for directional drilling workflows in drilling 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.