Method and means of passive detection of leaks in buried pipes

Details Method and means of passive detection of leaks in buried pipes Method and means of passive detection of leaks in buried pipes

G - Physics

01

M

349/37

G01M 3/24 (2006.01)

Patent

CA 1141019

ABSTRACT OF THE DISCLOSURE A method and means for passive detection of a leak in a buried pipe containing fluid under pressure includes a plurality of acoustic detectors that are placed in con- tact with the pipe. Noise produced by the leak is detected by the detectors, and the detected signals are correlated to locate the leak. In one embodiment of the invention two detectors are placed at different locations to locate a leak between them. In an alternate embodiment two detectors of different waves are placed at substan- tially the same location to determine the distance of the leak from the location.

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