MANUAL – REFLEX EZ-TRAC™ | 95
Dip Dip is the inclination measured from the horizontal plane. The dip
angle range is –90° to +90 degrees. A hole in the horizontal plane
has a zero dip angle. In the
REFLEX™ EZ-COM unit, the dip convention
is positive upwards. The dip convention (positive upwards or
downwards) can be changed in
REFLEX™ SProcess.
Planned path The planned borehole path is a line from the planned start
coordinates, pointing in the direction determined by the planned start
dip and azimuth.
Actual path The actual borehole path is the path as measured and calculated by
the surveying instrument.
Easting Easting is the position of the borehole in the east-west direction. An
Easting value higher than the starting point represents an Eastern
position, whereas a lower value represents a Western position.
Northing Northing is the position of the borehole in the north-south direction. A
Northing value higher than the starting point represents a Northern
position, whereas a lower value represents a Southern position.
Elevation Elevation is the depth of the borehole perpendicular to the horizontal
plane.
Collar coordinates The collar coordinates are the actual or planned coordinates of the
starting position.
Local coordinates The local coordinates describe the deviation of the borehole relative
to the projection of the actual first station or relative to the projection
of the planned start.
Local A Local A is the horizontal projection of the borehole along the starting
azimuth direction.
Local B Local B is the right/left deviation of the borehole, relative to the
projection of the Actual first station or relative to the projection of the
Planned start. Right is positive, left is negative.
Local C Local C is the up/down deviation of the borehole, relative to the
projection of the Actual first station or relative to the projection of the
Planned start. Up is positive, down is negative.
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