Gyroscopically-oriented survey tool

Details Gyroscopically-oriented survey tool Gyroscopically-oriented survey tool

2005-10-13

2010-06-08

Guadalupe-McCall, Yaritza (Department: 2841)

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

C033S304000

Reexamination Certificate

active

07730625

ABSTRACT:
A gyroscopically-oriented survey tool, includes a housing having an axis. Three accelerometers are mounted in the housing with their axis set orthogonally. A first of the axis is aligned to the axis of the housing. A second of the axis is perpendicular to the first. A third of the axis is perpendicular to both of the first and the second. Three gyroscopes are mounted pseudo-orthogonally in the housing with their axis set at relative angles of other than 90 degrees. None of the axis of the gyroscopes are mounted parallel to the axis of the accelerometers. This configuration permits data from the accelerometers to be used to check the quality of data from the gyroscopes.

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