Apparatus for measuring the weight of the drill string

Details Apparatus for measuring the weight of the drill string Apparatus for measuring the weight of the drill string

1982-01-20

1984-05-29

Lyddane, William E.

Wells

Combined

175 40, E21B 4900

Patent

active

044509065

ABSTRACT:
The device is an apparatus for measuring the downhole weight of a drill string. The measuring device comprises an annular expandable hydraulic cylinder having a central bore through which the tubular string can pass. A removable slip means is placed between the tubular string and the hydraulic cylinder. A gauge indicates the weight of the tubular string. The gage is responsive to a transfer of the tubular string weight to the annular hydraulic cylinder by the insertion of slips between the tubular string and the cylinder.

REFERENCES:
patent: 1993796 (1935-03-01), Morgan, Jr.
patent: 2551178 (1951-05-01), Southerland
patent: 2851880 (1958-09-01), Fiedler
patent: 3371732 (1968-03-01), Stein

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