Method and apparatus for locating the position of a drill core s

Details Method and apparatus for locating the position of a drill core s Method and apparatus for locating the position of a drill core s

1980-06-23

1982-06-15

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

33304, E21B 4900

Patent

active

043344291

ABSTRACT:
The invention makes it possible to determine impressions independently of a core cutting machine.
A hooking device makes it possible to lower the assembly by a simple cable owing to the provision for an additional mass. The position of the eccentric is ascertained by the penetration of pointed rods into a disc under the pressure of one or more of several feelers which releases the rod carrier.
The device may be used for the precise determination of the line of greatest slope relative to the impressions even for inclines varying from the vertical by less than 10.degree..

REFERENCES:
patent: 1932612 (1933-10-01), Williston
patent: 2003345 (1935-06-01), Maris
patent: 3622971 (1971-11-01), Arps

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