...-signature data. The methods were tested in a laboratory environment using a hydraulic system with simulated clogging and leaking mechanisms. Leak detection was performed using both signature-matching and mass-balance methods. The results showed a mean accuracy of 93% for mass-balance method and 82...

...Torbjørn Vrålstad; Alf G. Melbye; Inge M. Carlsen; David Llewelyn Summary Subsea leakages from underwater production facilities may have significant environmental and economical consequences. There is a wide range of different technologies available for detection of subsea leakages, depending...