Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 68
... operating conditions and ons during operation and shutdown . display collected data independently The system must also present data ssages to the SCADA system to assist In analyzing the pipeline operating nd in taking appropriate action ...
... operating conditions and ons during operation and shutdown . display collected data independently The system must also present data ssages to the SCADA system to assist In analyzing the pipeline operating nd in taking appropriate action ...
Page 72
... Operating pressure checks ; and , - Instrumentation failure checks . The primary application of LEAKSTOP is leak detection and location ( 1 , 2 ) . Leak detection and location methods rely on modelling pipeline operating conditions and ...
... Operating pressure checks ; and , - Instrumentation failure checks . The primary application of LEAKSTOP is leak detection and location ( 1 , 2 ) . Leak detection and location methods rely on modelling pipeline operating conditions and ...
Page 94
... OPERATING CONDITIONS Internal pressure 50 bar , temperature increase 45 ° C initial compression compression after relaxation 650 kN 140 kN r = 11.4 m 30 cm 3070 kN 2530 KN . 111 m 30 cm Figure 2a : INFLUENCE OF OPERATING CONDITIONS 16 ...
... OPERATING CONDITIONS Internal pressure 50 bar , temperature increase 45 ° C initial compression compression after relaxation 650 kN 140 kN r = 11.4 m 30 cm 3070 kN 2530 KN . 111 m 30 cm Figure 2a : INFLUENCE OF OPERATING CONDITIONS 16 ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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Common terms and phrases
acoustic velocity analysis Arctic Engineering axial behaviour bending bottom boundary layer buckling cable calculated clamp Cobia compression corrosion crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect elastic equation experimental field Figure finite element flow force coefficients free span frequency friction friction welding function hoop stress horizontal Hydraulic hydrodynamic hydrodynamic forces in-line installation irregular waves length lift coefficient lift force liquid load maximum measured mechanical method monitoring movement nodal analysis operating parameters phase pipe displacement pipe material pipeline predicted pressure procedure ratio response riser roughness SCADA scour sea bed sea floor seabed shown simulated slug soil steady current steel storm strain strain gauges stress structural submarine pipelines surface Technology temperature tion Turning Bands underwater values variation vertical vortex shedding water depth welding zone