Core sampler apparatus with specific attachment means

Details Core sampler apparatus with specific attachment means Core sampler apparatus with specific attachment means

1998-04-03

2000-08-01

Lillis, Eileen Dunn

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

285 86, 403378, E21B 4900

Patent

active

060952598

ABSTRACT:
A core sampler apparatus for use at the end of a drill string of a drilling rig having a hollow barrel assembly for receiving a subterranean core sample, a shoe supported at a bottom end of the barrel assembly, and a connector member providing a pinned attachment of the barrel assembly to the drill string.

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