Core orientation device

Details Core orientation device Core orientation device

E - Fixed Constructions

21

B

E21B 47/02 (2006.01) E21B 25/16 (2006.01) E21B 47/026 (2006.01) G01C 9/14 (2006.01)

Patent

CA 2072203

Abstract "Core Orientation Device" A device to enable the determination of the angular orientation of a core sample taken from an inclined borehole includes an indicator (24; 47) mounted upon an elongated body (21; 40) for movement around the axis of the elongated body within a housing (18; 42). The indicator is released by a trigger device (28; 46) to permit it to move from a retracted position into an orientation-indicating position in which the indicator engages one of a multiplicity of apertures (27; 49) in the lower end of the housing and thus indicates the relative orientation of the indicator and the housing at the time when the trigger device was operated.

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