Apparatus and method for inertial measurement of pipeline deflec

Details Apparatus and method for inertial measurement of pipeline deflec Apparatus and method for inertial measurement of pipeline deflec

1982-11-22

1985-06-25

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

33302, 33313, 33178F, E21B 700

Patent

active

045245266

ABSTRACT:
Apparatus and a method for detecting deflections along the length of a pipeline. A plurality of measurements of inertial attitude are made along the length of the pipeline over time by means of apparatus, including sensors, associated with a pipeline pig. Thereafter, by comparing a time sequence of such measurements, points of flexure are accurately located and identified.

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patent: 3786684 (1974-01-01), Wiers et al.
patent: 3964171 (1976-06-01), Gambini et al.
patent: 4021925 (1977-05-01), Loftus
patent: 4361192 (1982-11-01), Trowsdale

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