Borehole Wireless MWD

1. Borehole Wireless MWD O.D. is only 40mm;
2. Able to work under 175℃ and 30000psi;
3. Suitable for borehole size under φ114.3mm(4-1/2'');
4. Double battery supply system with auto switching function, which prolonged downhole working time dramatically.

Product Details


Main Characteristics

1. The integral design of centralizer,measue probe,gamma probe and fishing head reduce from 9 connection points to only 5 connection points (with Gamma) with design of flexible coupling,which ensured continuity and insulativity under strenuous vibration condition. (ZL 201120258615.6    ZL 201120258610.3)

2.The measure probe is added with spinning top(for measuring rotating speed) and flow switch (for monitoring mud pump state) , such that the instrument will stop working while composite drilling that prolonged life of battery and pulser. Even if flow switch is out of work, the instrument will remain proper functioning without pulling out by switching turntable on and off to activate spinning top. (ZL 200920223472.8


Specification and technical parameter

Inclination : ±0.1°0-180°

Azimuth: ±1.0°0-360°(inclination ≥5°)

GTF Angle: ±1.0°0-360°(inclination ≥5°)

MTF Angle: ±1.0°0-360°(inclination <5°)

Max Working Temp: 125℃/150℃(257°F/302°F)

Max Pressure Strength: 120 MPa/174000 Psi

                                         172 MPa/25000 Psi

Physical Dimension:  Φ48×5695mm/Φ1.9×224.2in

 Φ48×7188mm/Φ1.9×283in(with Gamma)

 Battery Life:   ≥240h

                         ≥180h/(with Gamma)


Technical Parameters

Measurement Range:  0-500API

Measurement Accuracy: ±5%

Sensitivity: 2cps/API

Vertical Resolution: 173mm/6.8in

ER-MWD-Y wireless inclinometer.jpg

If interested, pls contact us                                                                    

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