Vibrator core drilling apparatus

Details Vibrator core drilling apparatus Vibrator core drilling apparatus

1995-03-23

1997-02-11

Neuder, William P.

Boring or penetrating the earth

With means movable relative to tool to receive, retain, or...

Receiver removable through below-ground tool shaft

175248, E21B 2500

Patent

active

056011520

ABSTRACT:
A drilling tool, for example a core barrel inner tube assembly, includes a latch body mounting latches for movement into a latch seat to removably retain the assembly adjacent to a drill string bit end and to impart rotary movement to the latch body as the drill string is rotated. A spindle subassembly is connected to the axial inner end of the latch body, to in turn, mount a vibrational subassembly for imparting axial reciprocal movement to a core receiving tube as the drill string is rotated to facilitate entry of core into the tube. The vibrational assembly converts rotary motion of the spindle subassembly to axial reciprocal movement of the core receiving tube while the core receiving tube is not being rotated but is moved axially inwardly over the core.

REFERENCES:
patent: 3049185 (1962-08-01), Herbold
patent: 3194326 (1965-07-01), Bodine
patent: 3333647 (1964-11-01), Karich
patent: 4279315 (1981-07-01), Tibussek
patent: 4558749 (1985-12-01), Fulkerson

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