Apparatus for taking core samples

Details Apparatus for taking core samples Apparatus for taking core samples

1988-07-06

1991-01-01

Novosad, Stephen J.

Boring or penetrating the earth

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

175330, 175403, E21B 1002, E21B 1048

Patent

active

049811835

ABSTRACT:
A coring apparatus which includes a drill bit and a receiving member. The drill bit includes discrete cutting elements for cutting the outer dimension of the core. The receiving member is adapted to lie proximate to the discrete cutting surfaces and to receive the core as it leaves the cutting surfaces. Additionally, drilling fluid is directed away from the cut core.

REFERENCES:
patent: 1994848 (1935-03-01), Baker et al.
patent: 2373323 (1945-04-01), Macready
patent: 2747841 (1956-05-01), Adamson et al.
patent: 2842343 (1958-07-01), Church et al.
patent: 2880969 (1959-04-01), Williams
patent: 3692126 (1972-09-01), Rushing et al.
patent: 4606416 (1986-08-01), Knighton et al.

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