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 SHUTDOWN SYSTEMS SEA EXPERIENCE P. German , G. Davies , and A. Freeman J. P. Kenny and Partners Staines , United Kingdom installation though it should be noted that the tethered plug. ABSTRACT ― THE NORTH The main ...
SUBSEA EMERGENCY SHUTDOWN SYSTEMS SEA EXPERIENCE P. German , G. Davies , and A. Freeman J. P. Kenny and Partners Staines , United Kingdom installation though it should be noted that the tethered plug. ABSTRACT ― THE NORTH The main ...
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 ...
... 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 ...
Page 77
... Subsea isolation valves are assumed to isolate flow when required ; o All failures are assumed to be independent . Common mode failures are not modelled . Observations from Reliability Analyses Performed to Date Each subsea ESD valve ...
... Subsea isolation valves are assumed to isolate flow when required ; o All failures are assumed to be independent . Common mode failures are not modelled . Observations from Reliability Analyses Performed to Date Each subsea ESD valve ...
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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