Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 73
... subsea Emergency Shut Down ( ESD ) Systems for existing and planned offshore production facilities in the North Sea . The design and control of ESD systems must lead to a reliable , maintainable facility which provides protection to the ...
... subsea Emergency Shut Down ( ESD ) Systems for existing and planned offshore production facilities in the North Sea . The design and control of ESD systems must lead to a reliable , maintainable facility which provides protection to the ...
Page 74
... subsea . Gate Valves Gate valves are used extensively in the subsea environmental though almost exclusively for small bore subsea well control duty . Only one gate valve ( 8 - inch ) in use as a subsea ESD valve has been identified in the ...
... subsea . Gate Valves Gate valves are used extensively in the subsea environmental though almost exclusively for small bore subsea well control duty . Only one gate valve ( 8 - inch ) in use as a subsea ESD valve has been identified in the ...
Page 77
... subsea ESD valve cases , the following general findings are of interest : o Increasing the frequency of ESD valve testing ( say from six monthly to annually ) converts ' unrevealed ' to ' revealed ' failures and improves the probability ...
... subsea ESD valve cases , the following general findings are of interest : o Increasing the frequency of ESD valve testing ( say from six monthly to annually ) converts ' unrevealed ' to ' revealed ' failures and improves the probability ...
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Common terms and phrases
actuator analysis applied assessment axial ball valve Beaufort Sea bending bifurcation break-out buckling calculations check valve circumferential Cisco field coefficient collapse corrosion crack ensembles crack tip damage deformation density distribution effect equations ESD valve Figure flow force fracture fracture mechanics free span function HAZ toughness Houston hydrodynamic ice feature ice hole ice keel ice scour increase installation layer length line pipe Lougheed Island material maximum method mode shape Offshore Mechanics Offshore Technology Conference on-bottom stability parameters partial safety factors pearlite pipe displacement pipe weight pipeline pipeline section plastic plate platform predicted pressure procedure radial ratio reliability riser rupture scour hole seabed seastate shows simulated soil resistance Sotberg stress structure Submarine Pipelines subsea subsea ESD surface Table tensile strength tracers tube uncertainty values variables velocity vertical wave yield strength