The angle \alpha(l) at which a pipeline or well trajectory diverges clockwise from Grid North Direction:
| (1) | \tan \alpha(l) = \frac{dx}{dy} |
where
l | path length along the trajectory |
|
Fig. 1. Trajectory azimuth \alpha |
See also
Natural Science / Physics / Measuring / Positioning / Trajectory
[ Deviation Data ] [ Inclinational Deviation ]