F - Mech Eng,Light,Heat,Weapons – 17 – D
Patent
F - Mech Eng,Light,Heat,Weapons
17
D
F17D 5/00 (2006.01) E21B 47/022 (2006.01) F16L 55/26 (2006.01) G01M 7/00 (2006.01) G01M 7/06 (2006.01)
Patent
CA 2095625
2095625 9209847 PCTABS00013 A pipeline inspection apparatus includes a pipeline pig (1) which has a shaker (20) for causing the pig to vibrate in one or more of the vertical, longitudinal, lateral, bending and torsional senses. The vibrations are transmitted into the wall of a pipeline (2) through which the pig is moved and the vibration response of the pipeline is measured by accelerometers (50-53) in the pig for detecting one or more of the vertical, longitudinal, lateral, bending and torsional motions of the pig (1). For displaying and/or recording the measured data in a form which can be used to identify variations in the structural condition of the pipeline, a data acquisition system (38) and computer (36) are used.
Hunt Hugh Edmund Murray
Kopke Uwe Gerhard
Borden Ladner Gervais Llp
Hunt Hugh Edmund Murray
Kopke Uwe Gerhard
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