Measurement while vertical holes, horizontal holes, elevation holes and branch holes were drilled.
Main applications: coal mine with high gas, high dust and high humidity, useful for measurement while vertical holes, horizontal holes, elevation holes and branch holes were drilled.
Technical specifications:
Angle measurement and accuracy: drilling holes inclination±90° accuracy ±0.2°
Drilling holes azimuth±0-360° accuracy ±1.5°
Tool face angle for spiral drilling tools: ±0-360°accuracy±1.5°
Hours of operation ≥60 Day
Probe pressure limit 12MPa
Communication distance ≥1000m
Explosion-proof types: intrinsically safe equipment for coal mine, anti-explosion marker: ExibI
Overall dimensions Φ41×1916mm
6 inches orifice monitor 360×210×90mm
15 inches orifice monitor 530×340×130mm
Measurement While Drilling Instrument (MWD)
