High accuracy measurement of inclination & azimuth and tool face for directional drilling operations.
Great reliability in extremely high shock and vibration environment.
Temperature compensated to 150°C. (175°C option)
Bottom mounted retrievable. (Top rotary pulser option)
Positive mud pulse system.
Delicate design for easy transport, set-up and operation, simplified maintenance.
MWD / LWD System Specifications
Inclination Accuracy: ±0.1°; (0°-180° Range)
Azimuth Accuracy: ±1.0° (Inc > 10˚, Dip < 70˚); (0°-360° Range)
Tool Face Accuracy: ±1.0° (Inc > 10˚)
Gamma (Option): Available
Max. Operating Temperature: 150°C (175°C option)
Max. Pressure: 138MPa (20,000PSI) ; 172MPa (25000PSI) option
Allowable Max. Shock: 1000G, 0.5mSec, half-sine
Allowable Max. Vibration: 20G RMS, 15-500Hz Random
Flow Rate: 10~55 L/sec (160-900 GPM), Depend on size of drill collar
Pressure Drop: 50～200PSI (Depend on size of drill collar and mud discharge)
Sand Content: <1%
Mud Density: ≤2.2g/cm3 (≤18.3 PPG)
Tool Outer Diameter: Φ48mm (and Φ38mm option for slim hole size well)
