The
Gyro instrument is a highly accurate, extremely reliable
downhole directional survey and orientation tool. Comprising
of the latest technology, the SPT system uses gyro compassing
method to find direction.
As it is a North Seeking
Gyro, all measurements are in reference to geographic
north. Unlike other downhole survey or magnetic tools,
the GyroTracer™ is not affected by magnetic interference.
It can be run inside
casing, tubing, drill pipe and magnetically Disturbed
ground.
This 42mm diameter,
easy to use system can be run in a variety of applications
from shallow borehole to deep borehole surveying, single
shot/multi shot, slim hole casing, orientation, whip
stock kickoff and downhole motor orientation. Operating
software to run all SPT instruments is very reliable
and user friendly.
The GyroTrace
package comes with both wireline and memory mode option.
Wireline mode is run from an electric line cable transmitting
real time data to the computer at the surface. Mono
or multiple conductor cable can be used. Memory mode
is fast and cost efficient as this is powered by battery
supply and run on slick line.
Features and benefits
- Not affected by magnetic interference
- No field calibration or roll
test required before each survey
- Collar azimuth not required.
Only latitude of hole needs to be entered into the
software program
- No sight alignment is required
- Can traverse in hole at up to
120m/min
- Package includes both wireline
and memory mode
- Short length, light weight tool
- User friendly software
- Very accurate and reliable
- Built inside high grade titanium
pressure barrel
- No other running gear required
- Possible to calibrate at customer
facilities
- Rugged design
- Minimal downtime as all operating
equipment and software is very reliable
- All azimuth measurements are
in reference to geographical north
- Export all your survey data to
Excel and other formats
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Specifications
- Gyrocompassing survey time of
55 seconds
- Azimuth accuracy of +/- 1.0°
in inclination range from 1.0° - 70.0° (from vertical)
- Repeatability in azimuth +/-
0.5°
- Inclination accuracy of +/-
0.1°
- Gravity toolface accuracy of
+/- 0.1°
- Gyroscopic toolface accuracy
of +/- 1.0° in inclination range from 0.0° - 1.0°
(from vertical)
- Temperature rating : - 30°C
to +100°C (-22°F to +212°F)
- Pressure rating: 103Mpa (15000psi)
- Dynamically tuned mutli-axis
close loop gyroscope
- Quartz technology accelerometers
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Dimensions
- OD 42 mm (1.65”)
- Length 2300 mm (90,55”)
– Wireline mode, 2000 mm (78,74”) – Memory
mode
- Weight 15 kg (33,07 lb)
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