foot
EPSG example wellbore local horizontal CRS - grid north (ft)
EPSG example wellbore local horizontal datum - grid north
EPSG
IOGP
2019-02-19
Wellbore survey.
Horizontal component of wellbore local cubic CRS (CRS code 8821). Local coordinates are (0,0) at well reference point, with n-axis aligned to grid north in the projected CRS specified in the wellbore local horizontal datum origin definition.
Description of the extent of the CRS.
Cartesian 2D CS. Axes: local northing, local easting (n,e). Orientations: north, east. UoM: ft.