Pipe leakage detection

Details Pipe leakage detection Pipe leakage detection

G - Physics

01

M

G01M 3/28 (2006.01) G01M 3/00 (2006.01)

Patent

CA 2292562

A towed pipeline pig for leak detection includes a body (13) with associated seals (23-26) to provide sealed chambers for receiving a test pressure. Fluid can continue to flow through the pipe via central tube (28). An equalisation valve (35) can be closed typically during the leakage check over a pipe joint previously detected by sensors (30-32). A computer (20) provides leakage rate and other parameters.

L'invention concerne un dispositif remorqué de raclage d'un pipeline permettant de déceler une fuite. Ce dispositif comporte un corps (13) et est associé à des joints (23-26) dans le but de créer des compartiments scellés destinés à subir une pression d'épreuve. L'écoulement du fluide dans le pipeline peut continuer, dans son tuyau central (28). Généralement, au cours de cette vérification, un clapet de compensation (35) peut se refermer au niveau d'un assemblage de tuyaux préalablement décelé par des détecteurs (30-32). Un ordinateur (20) calcule le degré de fuite et d'autres paramètres.

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