Methods for detection of leaks in pressurized pipeline systems

Details Methods for detection of leaks in pressurized pipeline systems Methods for detection of leaks in pressurized pipeline systems

1990-08-30

1992-01-07

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

73 40, 73 492, G01M 73299

Patent

active

050780069

ABSTRACT:
A method of determining the presence and temperature compensated volumetric flow rate of leaks in fluid pressurized pipelines. The pipeline is maintained at a first pressure and the fluid volume change per unit time is calculated. The pressure is then maintained at a second different pressure and a second fluid volume change per unit time is calculated. The system is then maintained at the first pressure while a third fluid volume change per unit time is calculated. The first and third rates are combined with the second rate to obtain a temperature compensated leak volumetric flow rate.

REFERENCES:
patent: 3748898 (1973-07-01), Hellouin de Menibus
patent: 4590793 (1986-05-01), Staats, Jr.
patent: 4608857 (1986-09-01), Mertens et al.
patent: 4646560 (1987-03-01), Maresca, Jr. et al.
patent: 4918968 (1990-04-01), Hoffman

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