Leak simulation device for storage tanks

Details Leak simulation device for storage tanks Leak simulation device for storage tanks

1991-04-29

1992-12-08

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

73 1R, 738656, G01M 332

Patent

active

051687488

ABSTRACT:
A method and apparatus for simulating leakage from a liquid storage tank to test the accuracy of leak measurement instruments. An elongated pipe string formed by pipes connected end to end is extended into the tank. An end cap on the bottom of the pipe carries an inner cylinder which is smaller than the pipe and concentric with it. The inner cylinder is open at the top and, if it be an underground tank, may be loaded with fill material of the type that surrounds the tank. An orifice mounted to the end cap simulates a tank leak and allows liquid from the tank to flow through the backfill material into the pipe. A multiple orifice assembly may be remotely operated to change the orifice characteristics. The liquid in the pipe is collected for measurement to determine the leakage quantity.

REFERENCES:
patent: 3537298 (1970-11-01), Kapff
patent: 4523452 (1985-06-01), Brayman
patent: 4646560 (1987-03-01), Maresca, Jr. et al.
patent: 4672842 (1987-06-01), Hasselmann

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