Method and system for detecting a leakage in a pipeline or...

Details Method and system for detecting a leakage in a pipeline or... Method and system for detecting a leakage in a pipeline or...

2005-03-18

2009-11-10

Fitzgerald, John (Department: 2856)

Measuring and testing

With fluid pressure

Leakage

Reexamination Certificate

active

07614281

ABSTRACT:
The invention concerns a method and a system for detecting a leakage in a pipeline (4) or similar conduit characterized by the use of an umbilical flexible tube (1) laid within and along said pipeline (4), the displacement of a solution column (2) within said umbilical flexible tube (1), the measurement of the pressure (P) at the front (3) of said solution column (2) and the localization of said front (3) from the said measured pressure (P).

REFERENCES:
patent: 3862349 (1975-01-01), Watts
patent: 4651559 (1987-03-01), Horigome et al.
patent: 5686674 (1997-11-01), Lowry et al.
patent: 6070452 (2000-06-01), Brannan
patent: 6450972 (2002-09-01), Knoll
patent: 1 371 325 (2003-12-01), None
Written Opinion of the International Searching Authority in PCT/IB2005/050947 mailed Sep. 6, 2005.

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