Measuring and testing – With fluid pressure – Leakage
Patent
1975-07-03
1976-08-31
Woodiel, Donald O.
Measuring and testing
With fluid pressure
Leakage
G01M 304
Patent
active
039772330
ABSTRACT:
Process and apparatus for the determination of concentration profiles of liquid or gaseous substances along a path length, for example, crude oil and gas pipeline installations, wherein a length of hollow conduit filled with a column of test medium is laid along a path length, the hollow conduit being constructed to permit diffusion of the substances thereinto establishing a distribution corresponding to the concentration profile to be determined and the column of test medium is pushed through the hollow conduit at chronological intervals past a sensor sensitive to the substances.
REFERENCES:
patent: 3276247 (1966-10-01), Bunn
patent: 3531264 (1970-09-01), Greipel
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