Geometrical instruments – Indicator of direction of force traversing natural media – Borehole direction or inclination
Patent
1981-08-17
1984-09-04
Martin, Jr., William D.
Geometrical instruments
Indicator of direction of force traversing natural media
Borehole direction or inclination
33312, G01C 900
Patent
active
044688636
ABSTRACT:
A borehole survey method employs a first sensor for measuring angular rate, and a second sensor or sensors for sensing tilt, and a rotary drive for the first and second sensors, and includes the steps:
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Applied Technologies Associates
Haefliger William W.
Martin, Jr. William D.
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