Piping leakage detection method and apparatus

Details Piping leakage detection method and apparatus Piping leakage detection method and apparatus

G - Physics

01

M

73/79, 116/66.1

G01M 3/00 (2006.01) E21B 47/10 (2006.01) G01M 3/22 (2006.01)

Patent

CA 1134680

ABSTRACT OF THE DISCLOSURE A method of testing for leaks in tubing and tube joints comprises placing within the tube to be tested a tool having spaced seals so that the seals are arranged on opposite sides of the joint to be tested in engagement at a constant pressure against the internal surface of the tubing. A search fluid such as 1 to 2% helium in air is passed through the tool under pressure and then out from the tool into the annular space between the outside surface of the tool and the inside surface of the tubing between the two seals. The presence of any helium is detected by means of a helium detector for example a mass spectrometer which has a probe extending to a gas trap surrounding the joint to be tested.

358032

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