Wireless measurement-while-drilling (MWD) system is a kind of drilling direction system with two models of wireless MWD system self-powered and battery model, according to the style of downhole power supply (DHPS) and pulser
The system is developed for petroleum drilling and can endure 1,000G of shock
Features:
Retrievable
Easy to use, time saving for preparation
Lower consumption, sleep mode is available
Excellent accuracy, uses navigation sensor and initial technology
Better mud pulser signal, anti-jamming
Components of military grade, excellent reliability
Grammar sensor is available
Specifications:
Inclination::
Range: 0 to 180°
accuracy: ±0.1°
Azimuth:
Range: 0 to 360°
Accuracy: ±1°
Magnetic tool face (MTF):
Range 0 to 360°
Accuracy: ±1°
Height tool face (HTF):
Range: 0 to 360°
Accuracy: ±1°
Operating temperatures: -20 to 125°C
Maximum pressure: 120MPa
Shock: 1,000G/0.5ms
Vibration: 2G/5 to 500Hz
Mud flow rate: 10 to 55L/s (depending on drill collar dimensions)
Instrument pressure drop: 50 to 200psi (depending on drill collar dimensions and mud flow rate)
Pulse amplitude: 80 to 300psi
Mud viscosity: 1 to 50cP
Sand content: ≤1%
Mud weight: ≤1.7g/cm³
Applications:
Applied to a variety of drilling direction operation and extra deep well as well