Engineering Fundamentals

Directional Drilling Mathematics Explained

Visual explanations of directional drilling mathematics, survey calculations, trajectory design, and wellbore positional uncertainty.

See where the dogleg severity equation comes from and how it relates to directional surveys.

See why the average-direction method comes up short and how the ratio factor corrects the displacement.

Learn how toolface angle is calculated from survey stations and how it defines the direction of the turn.

Coming soon