Survey apparatus and method employing all latitude, all attitude

Details Survey apparatus and method employing all latitude, all attitude Survey apparatus and method employing all latitude, all attitude

1978-07-17

1980-04-15

Stephan, Steven L.

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

33321, 33324, E21B 47024, G01C 1938

Patent

active

041976541

ABSTRACT:
Survey apparatus and method employs one or more rate gyroscopes having spin axis components directed along an instrument travel axis and in also in directions normal to the travel axis, so that when the gyroscope or gyroscopes are rotated, the earth's rate of rotation will be detected, at all latitudes and at all instrument attitudes.

REFERENCES:
patent: 3308670 (1967-03-01), Granqvist
patent: 3753296 (1973-08-01), Van Steenwyk
patent: 3894341 (1975-07-01), Kapeller

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