Probe for use in geological surveys

Details Probe for use in geological surveys Probe for use in geological surveys

1977-02-08

1978-12-19

Purser, Ernest R.

Boring or penetrating the earth

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

Core bit closure relative upwardly movable by core

175 20, 175 58, 175404, E21B 920

Patent

active

041301706

ABSTRACT:
A probe construction for use in geological surveys designed to extract earth samples at a predetermined depth. The probe consists essentially of an elongated metal body with a hollow core, the longitudinal axis of the core being at approximately 5.degree. to the longitudinal axis of the metal body. A side outlet is provided along substantially the length of the metal body. The probe is adapted for engagement with the drive rod of a hammer mill or the like machine.

REFERENCES:
patent: 368344 (1887-08-01), Layer
patent: 1207119 (1916-12-01), Young
patent: 1867024 (1932-07-01), Oliver
patent: 1882906 (1932-10-01), Renfer
patent: 2288210 (1942-06-01), Schlumberger
patent: 2880969 (1959-04-01), Williams
patent: 3324958 (1967-06-01), Clark
patent: 3360058 (1967-12-01), Von Ruden
patent: 3605920 (1971-09-01), Woodward

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