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

1979-10-30

1981-09-15

Goldberg, Gerald

Measuring and testing

With fluid pressure

Leakage

G01M 324

Patent

active

042890195

ABSTRACT:
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 contact 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 substantially the same location to determine the distance of the leak from the location.

REFERENCES:
patent: 3264864 (1966-08-01), Reid et al.
patent: 3851521 (1974-12-01), Ottenstein
patent: 3903729 (1975-09-01), Covington
Exploratory Development of a Leak Location and Detection System for Underground Power Transmission Line Pipes, Argonne National Laboratory, Published Sep. 1978.

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