SMART NAVIGATOR
Automatic Driller
Equipment Specification Sheet
System Control Panel and Electronics
HMI – Touch Screen Controller has a 12” touch screen monitor housed in a 16”x 5” x 15.75” box to 2014/34/EU (ATEX 114). And EMC Directive 2004/108/EC. Execution II 2 G EExd IIB+H2 T5.
Control System
- Control Electronics are housed in a 16.9”x 5.9” x 13” ATEX II enclosure. (box can be mounted anywhere on the Drill Floor)
- Variable Frequency Drive controls the manual brake via the motor and gearbox.
- Gearbox and Motor (Class 1 Zone 1 rated 2 Amp motor, a single high speed clutch gearbox)
Sensors
- Hook Load - Transducers Supplied 0 to 10,000 psi. Zone 1 (Hydraulic option also is also available)
- Rotary Encoder – Optical rotary encoder 250:1 ratio for ROP and Time Drilling
- Stand Pipe Pressure Transducer – 0 – 1,000, 0 – 1, 500 and 0 -10,000 psi transducers available
- Draw Works feedback – Drum rotation sensor to allow gearbox and VFD to adjust drilling parameters.
Power – 110 / 220 volt input
Air Supply – 100 to 120 psi required
Response Time – System samples at 30 milli seconds
Air Supply – 100 to 120 psi required
Response Time – System samples at 30 milli seconds
Safety Features
- Manual emergency release on the Drillers Brake
- WOB set point -automatically stops drilling on sudden changes to parameters or WOB threshold over-run
- Pressure Differential Set Pont automatically stops drilling on pressure threshold over run.
Modes of Control
- WOB
- Differential Pressure
- ROP
- Time Drilling
Navigator Performance Verification
Data recorded on the Maxwell Downhole Technology , I Sub**
Manual Drilling
Auto-Dril
In this example, the Auto-Dril allowed the driller to:
- Inject 15‐20 % more energy into the BHA while drilling
- Minimize the risks of triggering vibrations
- Help preserve motor life (less torque variations)
SMART DRILL Navigator Summary
- The most versatile automatic driller in the industry.
- Record footage days, associated record bit runs
- Reduced drilling costs
- Extended BHA life
- Reduced down hole motor and MWD failures .
- Track record of reducing drilling time by at least 10%.
- Drilling optimization through multiple control options.
WOB Mode
- High Pressure Alarm
- Driller Percentage
- Differential Pressure Mode
- ROP Mode
- Time Drilling Mode
