The MWD wireless drill-while-drilling system has created a number of drilling indicators, and the drilling speed has been significantly improved. In recent years, MWD and related technologies have developed rapidly, and the application field has been expanding. The overall trend is to gradually transition from cable-to-wire to wireless measurement while drilling, and the parameters for measurement while drilling increase, and development of wireless measurement while drilling technology is one of the major concerns in current development of petroleum engineering technology.
Gyro inclinometers use gyroscopes as azimuth measurement sensors, use quartz accelerometer as inclination measurement sensor. The instrument can independently find true north direction. Does not rely on geomagnetic field and ground reference point north. Therefore, it has the characteristics of no drift in azimuth measurement and high measurement accuracy, but the cost is also very high. It is mainly used in environments where the azimuth measurement requirements are high and ferromagnetic interference is serious, such as oil casing tunnels, magnetic mine drilling, urban engineering drilling, and hydraulic engineering drilling etc.
The current MWD market technology has been fully matured and it is also used by many service companies. Compared MWD and gyro inclinometers, SN-MWD-48H price is favorable, and it can adapt to most well conditions. It is easy to operate, hard to damage, and cost-effective. Gyro inclinometers will be a good choice for geomagnetic field with strong magnetic field interference.
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