Storage or disposal cavern leak detection and loss prevention

Details Storage or disposal cavern leak detection and loss prevention Storage or disposal cavern leak detection and loss prevention

1982-08-25

1984-10-02

Swisher, S. Clement

Measuring and testing

With fluid pressure

Leakage

73 405R, 405 54, G01M 326

Patent

active

044740530

ABSTRACT:
An environmentally acceptable gas is provided, under pressure, in the annulus of a casing arrangement which connects a wellhead to an underground storage zone containing stored product. Monitoring of the gas permits detection of leaks that might occur through casing leakage to an unsealed overburden. Leak detection and product loss prevention can be conducted without deleterious environmental impact.

REFERENCES:
patent: 2772564 (1956-12-01), Dougherty
patent: 3062012 (1962-11-01), Allen
patent: 3355893 (1967-12-01), Kuhne

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