Combination for use in a rotary drilling system with torque mete

Details Combination for use in a rotary drilling system with torque mete Combination for use in a rotary drilling system with torque mete

1978-12-22

1981-02-17

Ciarlante, Anthony V.

Measuring and testing

Vibration

Sensing apparatus

73151, G01N 2904

Patent

active

042507588

ABSTRACT:
A system applicable to rotary drilling. It includes a torque meter that measures dynamic torque while drilling. The system averages the time period of individual oscillations in the torque, for a given number of such oscillations. It indicates the length of such average time numerically. Consequently, the probable cause of the oscillations may be inferred.

REFERENCES:
patent: Re28436 (1975-06-01), Vitter et al.
patent: 2161256 (1939-06-01), Karcher
patent: 3581564 (1971-06-01), Young
patent: 4150568 (1979-04-01), Berger et al.

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