Submarine pipeline leak locator or the like

Details Submarine pipeline leak locator or the like Submarine pipeline leak locator or the like

1974-12-18

1976-01-20

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

G01M 328

Patent

active

039330311

ABSTRACT:
Apparatus for detecting a leak in a pipeline, e.g. in an oil filled pipeline extending from a shoreline to an underwater location below a ship, e.g. a tanker. The location of the leak is then detected in a unique manner by determining a water pressure and a liquid pressure difference. Although prior systems have incorporated a complicated and expensive controlled vacuum, it is very advantageous that the pressure difference determination need not employ such a device. It is also very advantageous that the pressure difference determination makes it possible to obtain the location of a leak in the pipeline independent of changes in atmospheric pressure, and independent of changes in tide level.

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