Pipeline gauging vehicles

Details Pipeline gauging vehicles Pipeline gauging vehicles

1983-02-14

1984-11-13

Swisher, S. Clement

Measuring and testing

Miscellaneous

33178F, G01B 512

Patent

active

044818165

ABSTRACT:
A pipeline gauging vehicle has two resilient driving cups arranged to contact the interior surface of the pipeline to create a pressure differential which will propel the vehicle along the pipeline. A plurality of first monitoring arrangements, each consisting of six detecting elements located at circumferentially spaced positions, are axially spaced on a support structure, their orientation being commensurate with a minimum radius of curvature of bends in the pipeline which the vehicle needs to negotiate. A plurality of second monitoring arrangements axially spaced on the support structure have detecting tabs radially spaced from the longitudinal axis of the vehicle by a distance commensurate with a desired minimum radial clearance are arranged to provide an indication when the minimum clearance is exceeded. The vehicle can monitor pipelines having complex three-dimensional geometry involving a succession of bends in different directions.

REFERENCES:
patent: 3786684 (1984-12-01), Wiers et al.
patent: 3940855 (1976-03-01), Nooy et al.
patent: 4227309 (1980-10-01), Jones

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