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Running Gear
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Orientation
Mule Shoe Sleeves
BQ box
to BQ pin
part no - FRG-051
NQ box
to NQ pin
part no - FRG-052
HQ box
to HQ pin
part no - FRG-053
The orientation mule shoe sleeve is
assembled in the drill string allowing
the orientation mule shoe to locate
into the sleeve at a common orientation
for each survey. The internal pin
leaves an impression on the tell-tale
in the orientation mule shoe; this
confirms that the mule shoe has located
in the same orientation on each survey.
The survey system assembly generally
has 9 metres of non-magnetic drill
rod fitted directly above the mule
shoe sleeve; this positions the survey
tool approximately 4.5 metres from
either the down hole motor at the
bottom, or the steel drill rods at
the top of the drilling assembly.
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