Geometrical instruments – Area integrators – Electrical
Patent
1983-01-31
1984-11-13
Little, Willis
Geometrical instruments
Area integrators
Electrical
33142, 33129, 33134R, G01B 504
Patent
active
044817142
ABSTRACT:
This device is designed to measure oil well tubing automatically, as it is lowered or raised in an oil well casing, without manually monitoring the tubing. Primarily, it consists of a base or mounting plate, through which will pass the tubing that is being measured. It also includes a plurality of wheel and shaft mechanisms mounted to the base or mounting plate, for bearing against the tubing. It further includes a pair of gear driven footage counters, to count the feet of pipe being lowered or raised.
REFERENCES:
patent: 2663598 (1953-12-01), Verderber
patent: 3318005 (1967-05-01), Petersen
patent: 3436954 (1969-04-01), Eppler
patent: 3568485 (1971-03-01), Mandula
patent: 4205447 (1980-06-01), Smith
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