Drill pipe monitoring system

Details Drill pipe monitoring system Drill pipe monitoring system

1974-11-11

1976-03-09

Abbott, Frank L.

Boring or penetrating the earth

Automatic control

Of advance or applied tool weight

175 85, 175 48, E21B 1908

Patent

active

039425940

ABSTRACT:
Disclosed is a system for monitoring the speed at which a pipe string is lowered into or pulled out of a well bore during a well drilling operation. The system includes a unit which derives an electrical signal as a function of instantaneous pipe speed and a monitoring system which compares signals representative of instantaneous velocities with respect to predetermined velocity limits and provides physiological indications whenever such limits are transgressed. Also included are visual indicator means and recorder means, as well as a loop control system for automatic regulation of the speed.

REFERENCES:
patent: 3324717 (1967-06-01), Brooks et al.
patent: 3373823 (1968-03-01), Fullerton et al.
patent: 3382713 (1968-05-01), Chutter
patent: 3593807 (1971-07-01), Klima
patent: 3638485 (1972-02-01), Knauth
patent: 3648783 (1973-03-01), Lackey
patent: 3740739 (1973-06-01), Griffin

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