System for monitoring the condition of a pipeline

Details System for monitoring the condition of a pipeline System for monitoring the condition of a pipeline

1978-01-03

1979-07-31

Gill, James J.

Measuring and testing

Vibration

By mechanical waves

G01N 2904

Patent

active

041626354

ABSTRACT:
Apparatus for scanning the interior of pipelines. The apparatus comprises a pig having an elongated body, a bogie assembly adapted to maintain the body in the center of a pipeline, and a seal assembly extending radially from the body and adapted so that the pig may be propelled by fluid flow through a pipeline. The pig further includes an on-board power supply coupled to the bogie assembly to provide and store electrical power for the pig. In addition, the pig includes an odometer, sensor and recording device powered by the power supply. The odometer is coupled to the bogie assembly and provides a motion signal representative of motion of the pig through a pipeline. The sensor includes a scanning ultrasonic surface wave exciter/transponder which generates a data signal representative of the interior condition of the pipeline. The recording device records the motion and data signals for subsequent analysis.

REFERENCES:
patent: 2771685 (1956-11-01), Kinley
patent: 2995925 (1961-08-01), Worlton
patent: 3064127 (1962-11-01), Green et al.
patent: 3117453 (1964-01-01), Nooy
patent: 3646805 (1972-03-01), Walters
patent: 3810384 (1974-05-01), Evans

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