Method and apparatus for detecting leaks

Details Method and apparatus for detecting leaks Method and apparatus for detecting leaks

G - Physics

01

M

73/118

G01M 3/32 (2006.01) G01M 3/20 (2006.01) G01M 3/22 (2006.01)

Patent

CA 1330721

ABSTRACT OF THE DISCLOSURE METHOD AND APPARATUS FOR DETECTING LEAKS In a method of testing the gas-tightness of walls defining a closed chamber a hollow member of resiliently flexible material is inserted into the chamber. A liquid is introduced into the hollow member until the hollow member substantially fills the chamber. A test gas is then introduced into the space defined between the hollow member and the chamber walls. Escape of any test gas from the chamber is then sensed by loss of gas pressure in the chamber or the presence of test gas outside the chamber. The presence of the liquid-filled hollow member reduces the amount of test gas needed and the associated risks and cost. The chamber may be defined between segments of oil well pipe casing connected by threaded sockets or it may be the space within a tank.

562959

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