G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 27/06 (2006.01)
Patent
CA 2630996
A system or method of analyzing a conductive member for the presence an anomaly. A test source signal is applied to a first test location on the elongate conductive member remote from the corrosion to cause the test source signal to travel along the pipe through the anomaly. At least one test return signal caused by the test source signal traveling through the anomaly is detected. The at least one test return signal for characteristics associated with the anomaly. Optionally, a perturbation may be applied to the elongate conductive member to place the conductive member in a perturbed state in which the electromagnetic characteristics of the conductive member at the anomaly are altered. The test source signal is applied to the first test location when the conductive member is in the perturbed stated.
La présente invention concerne un dispositif et un procédé destinés à analyser un élément conducteur pour détecter la présence d~une anomalie. Un signal source d~essai est appliqué à un premier point de mesure sur l~élément conducteur allongé distant de la corrosion pour amener ledit signal à se propager dans le tuyau à travers l~anomalie. Au moins un signal retour d~essai résultant de la traversée de l~anomalie par le signal source d~essai est détecté. Le signal retour d~essai fournit des caractéristiques liées à l~anomalie. Facultativement, une perturbation peut être appliquée à l~élément conducteur allongé pour le placer dans un état instable dans lequel ses caractéristiques électromagnétiques au niveau de l~anomalie sont modifiées. Le signal source d~essai est appliqué au premier point de mesure lorsque l~élément conducteur se trouve en état instable.
Burnett Gale D.
Frost Charles A.
Finlayson & Singlehurst
Profile Technologies Inc.
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