Reflex EZ-TRAC User Manual

MANUAL – REFLEX EZ-TRAC™ | 78
11.2.2.2 Wireline
For extra safety, wireline may be used when using gravity to lower the
survey system.
When wireline is used, it must be released at the bottom of the hole
and recovered before the rod tripping begins. A pin spear type of
landing collar should be used and a special adapter is needed to
release the dogs on the overshot assembly to recover the wireline.
Lower with gravity - wireline
1. Before lowering the survey system down the drill string, ensure
that the drill rods are raised from the bottom a minimum of seven
meters.
2. With the survey system – including a landing collar of appropriate
size – attached to the overshot assembly, raise the system up the
drill slide.
3. Slowly lower the survey system down the drill string.
4. When the survey system reaches the bit, the landing collar will
rest in the bit – with the instrument extending 4.5 m/15 ft past the
bit – and the wireline should become slack.
5. Release the dogs on the overshot assembly and recover the
wireline.
6. Continue to the section Tripping out below.
11.2.2.3 Pump into hole
If the survey system is pumped into the hole, a core adapter attached
to the core tube is used instead of landing collar. A water swivel or
stuffing box may also be required.
Pumping
1. Follow step 1-6 in the procedure instructions in section Pumping
below.
2. Continue to the section Tripping out below.
11.2.2.4 Tripping out
When the survey system is located at the bottom of the hole, the
surveying while tripping out can start.
Survey while tripping out
1. Keep the survey system stationary at the survey station until the
measurement has been taken.
2. While tripping out the rods, keep track of the number. Remove the
correct amount of rods until the next survey station has been
reached.
3. Continue the process and repeat step 1 and 2 until the collar of
the hole is reached.
4. Gently lift the survey system from the hole.
5. Place the survey system in a safe position away from the
borehole and unthread the running gear.

Reflex EZ-TRAC Specifications

General

Brand	Reflex
Model	EZ-TRAC
Category	Measuring Instruments
Language	English