Vibratory core drill apparatus

Details Vibratory core drill apparatus Vibratory core drill apparatus

E - Fixed Constructions

21

B

255/1

E21B 49/02 (2006.01) E21B 7/24 (2006.01) E21B 7/26 (2006.01) E21B 19/084 (2006.01)

Patent

CA 2014121

ABSTRACT A vibratory core drill apparatus for the recovery of soil or sediment core samples. The samples are collected within a rapidly vibrating sample tube which is driven into the ground by the apparatus. The apparatus comprises a drill stand, vibratory drive means for imparting a vibratory motion to the sample tubes, coupling means for coupling the sample tubes to the vibratory drive means, support means for supporting and restraining the coupling means and vibratory drive means, a carriage assembly for mounting the support means to the drill stand in sliding up and down fashion, and carriage drive means for lifting or lowering the carriage assembly. The invention permits the rapid recovery of representative soil or sediment samples at depths of up to 20 meters without the periodic disassembly of the invention during the drilling operation.

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