Waveform work, but the data is not stable or inaccurate?

Waveform and stability or inaccurate, mostly in the drilling process of measuring the inclination and azimuth beyond the normal range of values, this situation should first consider a probe tube or magnetic interference. If the normal pipe, maybe non-magnetic drill collar is magnetized, instruments where no magnetic environment is destroyed, resulting in measurement data unstable goods are not accurate, the problems appear clockwise on the specific situation through the replacement of the exploring tube or non-magnetic drill collar to solve.


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