Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 5American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 485
... leaks with sizes less than 1 % of the nominal flow - rate can be detected and the false alarm probability is very low . system is now commercially available . 1 . INTRODUCTION The There are a number of techniques for pipeline leak ...
... leaks with sizes less than 1 % of the nominal flow - rate can be detected and the false alarm probability is very low . system is now commercially available . 1 . INTRODUCTION The There are a number of techniques for pipeline leak ...
Page 489
estimates of leak size and location deteriorated after the leak valve was closed at sample number 3071. This phenomenon applies to all the leak cases in the field test . At sample number 3071 , location was the estimated leak XL = 36.55 ...
estimates of leak size and location deteriorated after the leak valve was closed at sample number 3071. This phenomenon applies to all the leak cases in the field test . At sample number 3071 , location was the estimated leak XL = 36.55 ...
Page 499
... leak detection . For the first time , the performance of the computational leak detection method is specified by limiting the uncertainty in the receipt and delivery values used in material balance calculations to ± 5 % for the 5 ...
... leak detection . For the first time , the performance of the computational leak detection method is specified by limiting the uncertainty in the receipt and delivery values used in material balance calculations to ± 5 % for the 5 ...
Contents
MEASUREMENT AND METERING | 1 |
OFFSHORE PIPELINE TECHNOLOGY | 53 |
CODESSTANDARDS AND REGULATIONS | 75 |
Copyright | |
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Alberta analysis applied Arctic assessment axial bending buckling calculated calibration construction corrosion crack criteria cylinder damage defects depth developed discharge coefficient displacement distribution downstream effect Engineering environmental equation equipment estimated evaluation experimental failure probability fatigue finite element flow function fluid force fractile fracture fracture mechanics frequency frost heave function gas pipeline hoop stress installation leak detection lift force limit Limit States Design load lognormal longitudinal maximum measured Mechanics meter tube methods nozzle offshore pipelines OMAE operating orifice plate parameters pipe wall pipeline spans pipeline system Pipeline Technology ASME plastic predicted pressure ratio reliability Reynolds number S-N curve sample scour shear stress simulation soil specific standards steel strain structural Table Technology ASME 1992 temperature differential tube bundle turbulent upstream usage factor velocity profile vibration volumetric flow rate vortex shedding wall thickness weld yield strength