Drill core inclinometer

Details Drill core inclinometer Drill core inclinometer

1981-01-15

1983-06-28

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

33313, 33397, E21B 47022, G01C 914

Patent

active

043897924

ABSTRACT:
A drill core inclinometer is releasably mountable in a core barrel and includes a device for measuring the vertical and transverse inclination of the drill core before the core is detached from the matrix. The device, once it has effected the measurements, is arrested so that the measurements are retained and remain unaffected while the core is brought to the surface.

REFERENCES:
patent: 963242 (1910-07-01), Osterberg
patent: 1152701 (1915-09-01), Borresen
patent: 1845889 (1932-02-01), Schoolcraft
patent: 1987696 (1935-01-01), McLaughlin et al.
patent: 2313168 (1943-03-01), Opocensky
patent: 3008241 (1961-11-01), Murata
patent: 3047961 (1962-08-01), Suter

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