New Model for Drilling Trajectory Calculation in Geo-Exploration

Abstract:

Determining the borehole trajectory is the premise of analyzing and correcting drilling deviations. Taking the borehole depth s measured during inclination survey as the variable, this paper establishes a parameter equation for the borehole trajectory with polynomial fitting, and a new mathematical model for the 3D borehole trajectory is therefore deduced. Calculations demonstrate that the new model gives better accuracy.