The motion response and hydrodynamic performance comparisons of the new subsea suspended manifold with two mooring scenarios
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-021-02851-7
Abstract: The subsea manifold as the hub oil and gas transportation equipment is a critical part for the layout optimization of subsea production system and reducing the number of pipelines. The traditional subsea manifold is fixed… read more here.
Keywords: suspended manifold; subsea suspended; new subsea; motion response ... See more keywords
An uncertain computational model for random vibration analysis of subsea pipelines subjected to spatially varying ground motions
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.01.031
Abstract: Abstract Based on a nonparametric modelling approach, this paper presents a random vibration analysis of a subsea pipeline subjected to spatially varying ground motions. The earthquake-induced ground motions are modelled as nonstationary random processes and… read more here.
Keywords: earthquake; pipeline; ground motions; computational model ... See more keywords
Tape winding angle influence on subsea cable sheathing fatigue performance
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2020.111660
Abstract: Abstract A fundamental component of subsea power cables is the thin galvanized steel tape winded around the dielectric and sheathing layer in order to prevent permanent thermal cycling induced deformation. The pressure state induced by… read more here.
Keywords: subsea; tape winding; cable; winding angle ... See more keywords
The role of heat transfer time scale in the evolution of the subsea permafrost and associated methane hydrates stability zone during glacial cycles
Sign Up to like & getrecommendations! Published in 2017 at "Global and Planetary Change"
DOI: 10.1016/j.gloplacha.2017.08.007
Abstract: Abstract Climate warming may lead to degradation of the subsea permafrost developed during Pleistocene glaciations and release methane from the hydrates, which are stored in this permafrost. It is important to quantify time scales at… read more here.
Keywords: subsea; time; methane hydrates; time scale ... See more keywords
Uncertainty in temperature and sea level datasets for the Pleistocene glacial cycles: Implications for thermal state of the subsea sediments
Sign Up to like & getrecommendations! Published in 2020 at "Global and Planetary Change"
DOI: 10.1016/j.gloplacha.2020.103249
Abstract: Abstract Temperature and sea level changes in the Pleistocene are uncertain. This leads to uncertainty in the associated response of the thermal state of the subsea sediments. We quantified the upper bound of the latter… read more here.
Keywords: subsea; sea level; temperature; uncertainty ... See more keywords
Experimental and numerical study on direct electrical heating for plug removal of subsea waxy crude pipelines
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.118489
Abstract: Abstract Subsea pipeline of waxy crude oil may face a high risk of the wax plug during shut down or pigging. Direct Electrical Heating (DEH) technology is expected to be an efficient and convenient way… read more here.
Keywords: heating; plug; subsea; direct electrical ... See more keywords
Thermal insulation of subsea pipelines for different materials
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2018.09.009
Abstract: Abstract Thermal insulation is widely used in offshore oil production for flow assurance design. Research efforts have concentrated on the thermal and mechanical properties of the insulation material, but few publications have focused on the… read more here.
Keywords: subsea; system; insulation; optimization ... See more keywords
Dynamic Bayesian networks for reliability evaluation of subsea wellhead connector during service life based on Monte Carlo method
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Loss Prevention in the Process Industries"
DOI: 10.1016/j.jlp.2021.104487
Abstract: Abstract The subsea wellhead connector is a critical connection component between subsea Christmas tree and subsea wellhead for preventing the leakage of oil and gas in the subsea production system. Excited by cyclical loadings due… read more here.
Keywords: service life; subsea wellhead; wellhead connector; connector service ... See more keywords
Experimental performance evaluation and design optimization of a horizontal multi-pipe separator for subsea oil-water bulk separation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.01.027
Abstract: Abstract Subsea separation of produced water increases the recovery rates for brown field installations. Removing produced water on the seabed increases production rates, removes topside produced water bottlenecks and enables better utilization of existing topside… read more here.
Keywords: water; performance; separation; pipe ... See more keywords
Analytical solutions of non-Darcy seepage of grouted subsea tunnels
Sign Up to like & getrecommendations! Published in 2020 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.103182
Abstract: Abstract Fluid flow in porous media is very important in a wide range of hydraulic and geotechnical engineering fields. The theoretical basis of fluid flow in porous media is based on the Darcy’s law. There… read more here.
Keywords: subsea; analytical solutions; subsea tunnels; seepage ... See more keywords
Control of Permanent Magnet Synchronous Machines for Subsea Applications
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/pcicon.2017.8188762
Abstract: Permanent magnet synchronous motor (PMSM)-driven subsea pumps have the potential to lower the operating costs of subsea pumping modules by improving efficiency, enhancing reliability, and by reducing weight and size. The higher operating speed of… read more here.
Keywords: subsea; permanent magnet; magnet synchronous; vector control ... See more keywords