Hydrocarbon tank leak detection system

Details Hydrocarbon tank leak detection system Hydrocarbon tank leak detection system

1987-09-21

1988-09-13

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 492, 436 3, G01M 320

Patent

active

047700289

ABSTRACT:
A leak detection system for detecting leaks of a hydrocarbon from an underground tank uses a dye that is soluble in hydrocarbon, but not in water. At least one riser pipe extends from a point adjacent the bottom of the tank to the surface. The lower end of the riser pipe is perforated. A permeable container containing a quantity of the dye is placed in the bottom of the pipe. A line extends from the container to the top of the pipe for enabling an inspector to periodically pull the container to the surface to determine if the color of the container has changed, indicating leakage of hydrocarbon liquid.

REFERENCES:
patent: 4189938 (1980-02-01), Heim
patent: 4537328 (1985-08-01), Keesee et al.
patent: 4561292 (1985-12-01), Pugnale et al.
patent: 4568925 (1986-02-01), Butts
patent: 4644354 (1987-02-01), Kidd
patent: 4682156 (1987-07-01), Wainwright

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