System and method for locating an underground probe having orthogonally oriented magnetometers
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United States of America Patent
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Oct 17, 1989
Grant Date -
N/A
app pub date -
Jul 20, 1988
filing date -
Jul 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for tracking a borehole by means of a probe and an externally produced magnetic field. The magnetic field is produced by a current configuration which facilitates the calculation of the magnitude and direction of the magnetic field at any point in space. In order to locate the probe, magnetometers within the probe are used to measure the magnetic field. Accelerometers within the probe allow the determination of the probe's orientation which enables the measured field vector to be compared to the calculated field vector and the probe's location thereby ascertained.
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