Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 157
... liner and steel pipe , is considered to be the major challenge to be overcome in design of lined pipelines . An externally grooved liner is proposed which incorporates a proven method of evacuating the annulus , therefore minimising the ...
... liner and steel pipe , is considered to be the major challenge to be overcome in design of lined pipelines . An externally grooved liner is proposed which incorporates a proven method of evacuating the annulus , therefore minimising the ...
Page 158
... liner annulus PB - pressure in pipeline bore PNR - venting non - return valve actuation pressure P. - critical collapse pressure of liner PA11 - Polyamide 11 SDR - liner outside diameter to thickness ratio t - elapsed time T ...
... liner annulus PB - pressure in pipeline bore PNR - venting non - return valve actuation pressure P. - critical collapse pressure of liner PA11 - Polyamide 11 SDR - liner outside diameter to thickness ratio t - elapsed time T ...
Page 159
... liner design in order to define operational parameters of the grooved liner pipeline system . The following equation has been used as the basis for initial assessment of critical collapse pressure [ 2 ] . Pc = E ODL wt L -2.2 1 Table 1 ...
... liner design in order to define operational parameters of the grooved liner pipeline system . The following equation has been used as the basis for initial assessment of critical collapse pressure [ 2 ] . Pc = E ODL wt L -2.2 1 Table 1 ...
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Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor cable calculated carrier pipe catenary coefficient collapse compressive Conference on Offshore configuration corrosion crack damping ratio deepwater defect deformation Det Norske Veritas developed diameter displacement dynamic elastic experimental failure pressures Figure finite element finite element analysis flexible pipe flowline fluid fracture freespans gauge grooves heat transfer heat transfer coefficient hummocks ice force ice load ice sheet increase installation insulation internal pressure layer length liner maximum Mechanics and Arctic method Offshore Mechanics operation parameters PETROBRAS phase pipeline pipeline system plastic predicted ratio reeling Rio de Janeiro riser system risk sagging sand scour sea ice seabed shear stress simulation soil specimens stamukhas steel strain strain gauges stress structure subsea surface temperature tension tests thermal thickness titanium values velocity water depth weld wrinkle