Luhai Mwd System

We manufacture, export, distribute, trade and supply LUHAI MWD system in Beijing, China. LUHAI MWD system is equipped with international brand of directional sensor and gamma sensor, use US patented well depth measurement technique and exclusive rotary joint design which make our system outstanding in oil and gas drilling industry. It has the unique structure of dropping prevent system allow the down hole parts can be fishing during sticking.
Measurement Parameters:
i Inclination
i Azimuth
i Gravity Tool Face,
i Magnetic Tool Face,
i Gravity Sumi Magnetic Field Sum,i Temperature
i Natural Gamma i Directional Gamma

MWD System Specification & Features:
1.Work Environment Parameters
Pulser: positive pulse, key type
Size of non-magnetic drill collar: 89mmi 229mm(3.5a i 9a )
Mud displacement: 10---55L/S
Mud density:1g/cmA i 2.1g/cmA (7.5ppgi 18ppg)
Sand content : <2%
Working temperature of instrument under the shaft:-30a i +150a
Diameter of instrument:I 48mm andI 38mm
Pressure resistance of instrument under the shaft: max 135MPa (20000PSI)
2.Measurement Accuracy and Range of Directional Probe:
Measurement accuracy of inclination: A 0.1o range: 0-180
Measurement accuracy of azimuth: A 1o range: 0-360
Measurement accuracy of gravity tool face: A 1o range: 0-360
Measurement accuracy of magnetic tool face: A 1o range: 0-360
3.Measurement Accuracy and Range of Gamma Probe:
Measurement range: 0-1000API
Sensitivity: 2/API
Measurement accuracy: A 2%
Resolution ratio: 173mm (6.8a ) (thin well, 8a hole, 50%