... to LF13-2 DPP, which has a length of 24 km. The LF14-4 DPP to LF13-2 DPP pipeline crosses a large sand wave field which leads to free spanning. The bathymetry along the pipeline route is presented in Figure 1. The pipeline route is taken from the Client supplied bathymetry data. offshore pipeline...

... deformations so that the critical fault displacement is smaller. Several design suggestions for offshore pipeline considering seismic faults are proposed. The results can be used to guide the seismic design and buckling prevention research of subsea pipeline crossing seismic faults. upstream oil...

... amplitude to cylinder diameter which is less than 12. pipe net change marine pipe offshore pipeline vertical profile drag coefficient x-velocity distribution upstream oil & gas sea bed diameter cylinder sediment snapshot elevation net change scour force load force ratio sectional...

... crack growth low cycle fatigue total crack growth dnv-rp-f108 offshore pipeline procedure extension crack growth calculation fe model pipeline girth weld cycle 2 flaw th cycle 0 cycle fatigue cycle 0 crack extension cdf ABSTRACT Three dimensional finite element based ECA...

... upstream oil & gas stiffness strength test result similarity polypropylene submerged weight model experiment axial stiffness pipeline model experiment stiffness similarity potential material similarity criterion tensile test offshore pipeline silicone operation tensile...

... construction penetration offshore pipeline sediment deflection sterile area 2 consolidation stage pipeline cable assessment sterile corridor 30-inch lng pipeline construction plan Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5...

... test string pipe weld offshore pipeline proceedings engineering upstream oil & gas liner girth weld eigenvalue analysis variation artificial intelligence anomaly imperfection triple point cross-section steel host pipe artic engineering polar engineering conference...

... midstream oil & gas piping design criterion imperfection upstream oil & gas resistance upheaval dnv-rp-f110 offshore pipeline mobilization distance uplift mobilization distance uhb design load factor piping simulation uplift resistance stiffness failure load trench...

... is an important issue in the design and in-service assessment of submarine PIP pipelines. offshore pipeline embedment ratio inner pipe piping simulation lateral submarine pip pipeline pipeline displacement resistance upstream oil & gas stiffness ratio relation pipe-soil interaction model...

... pipeline thickness external pressure upstream oil & gas propagation finite element method equation design pressure external pressure collapse midstream oil & gas offshore pipeline wall thickness fe simulation result propagation buckling modeling & simulation submarine...

... submarine pipeline finite element method dnv gl equation offshore pipeline fe model loading condition pipeline equation axial force fe simulation midstream oil & gas submarine pipeline high pressure submarine pipeline criterion Proceedings of the Thirty-second (2022) International Ocean...

... sand content midstream oil & gas sand deposition amount subsea pipeline modeling & simulation flow velocity deposition amount horizontal section sand density offshore pipeline particle size sand deposition law analysis stable sand deposition amount sand particle size Proceedings...

... for rigid pipes, which is suitable for large pipe sizes and can be a cost-effective of higher pipelay rate solution in comparison with J-lay method for deepwater riser and pipeline installations. upstream oil & gas flexible joint assembly roller box pipe strain offshore pipeline stinger...

... sections or with considerable pipeline rotations. rc section fe model under-rotated rc section lateral pull force offshore pipeline lateral installation residual curvature upstream oil & gas torsional friction rotation mitigation measure torque midstream oil & gas pipeline...

... for the flow assurance. upstream oil & gas installation winch offshore pipeline chain jack riser load test scr rps pull-in wire installation procedure pull-in system topside subsea system south rps winch wire pull head operation semi scr pull-in system pull-in chain scr pull...

..., Huttelmaier, HP and Mustoe, GGW (1993). "Effect of Ship Anchor Impact in Offshore Pipeline," The Third International Offshore and Polar Engineering Conference, Singapore, I54-61. Brown, RJ (1972). "Pipelines can be Designed to Resist Impact from Dragging Anchors and Fishing Boards," Offshore Technol Conf, 1...

... and gas industry, which have been used for the transportation of oil and gas from offshore to onshore. Since the first offshore pipeline was built by Brown Root to carry oil in 1954, the development of the submarine pipeline networks has across the globe, even were regarded as "lifelines" of the oil...

... extend to the case with irregular wave loading (Liang and Jeng, 2021). offshore pipeline seabed surface jeng experimental data coupling algorithm flow velocity soil displacement engineering upstream oil & gas coupling model interaction interface water surface elevation pore...

... pipeline kc number scour profile upstream oil & gas scour flow ratio flow velocity engineering offshore pipeline oscillatory flow subsea pipeline sand dune numerical study kc 4 midstream oil & gas scour depth local scour flow condition oscillatory flow condition...

... ABSTRACT This study investigates the effect of wrapping carbon fiber reinforced polymer (CFRP) over conventional steel offshore pipelines on improving their capacity under external hydrostatic pressure. Buckling performance of bare steel pipelines (conventional) and composite pipes (CFRP...