Geometrical instruments – Indicator of direction of force traversing natural media – Process
Patent
1982-02-24
1984-02-28
Little, Willis
Geometrical instruments
Indicator of direction of force traversing natural media
Process
33304, G01C 1938
Patent
active
044334915
ABSTRACT:
This invention relates to mapping or survey apparatus and methods, and more particularly concerns derivation of the azimuth output indications for such apparatus in a borehole from the outputs or output indications of either an inertial angular rate vector sensor (or sensors) and an acceleration vector sensor (or sensors), or a magnetic field vector sensor (or sensors), and from the outputs of an acceleration vector sensor (or sensors). Borehole tilt is also derived.
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Engebretson Harold J.
LaHue Philip M.
Ott Paul W.
Van Steenwyk Brett H.
Applied Technologies Associates
Haefliger William W.
Little Willis
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