Compensating well instrument

Details Compensating well instrument Compensating well instrument

1980-11-19

1982-08-24

Myracle, Jerry W.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

33313, E21B 47024

Patent

active

043454542

ABSTRACT:
A well instrument which includes a probe adapted to be lowered into a well to sense the inclination of the well and the direction of that inclination, for use in steering a drill bit or surveying the well, is provided with mechanism for rotating the probe relative to a body of the tool about an axis extending longitudinally of the well in order to give an indication of and allow compensation for minor inaccuracies or offsets in the readouts produced by the sensing mechanism. The probe is desirably rotated alternately in opposite directions.

REFERENCES:
patent: 2972193 (1961-02-01), Young
patent: 3124882 (1964-03-01), Black
patent: 3288210 (1966-11-01), Bryant
patent: 3359782 (1967-12-01), Van Bey
patent: 3771118 (1973-11-01), Lichte, Jr. et al.
patent: 3791043 (1974-02-01), Russell
patent: 3862499 (1975-01-01), Isham et al.
patent: 3891050 (1975-06-01), Kirkpatrick et al.
patent: 4040189 (1977-08-01), LaCoste
patent: 4071959 (1978-02-01), Russell et al.

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