... ABSTRACT Taiwan is located in the northwest Pacific Ocean, where is also the main occurring area of typhoon, with an average of about five typhoons striking the island each year. For desalination project, we will lay intake and discharge pipelines in offshore area and this study area...

... ABSTRACT General-purpose FPSO pipelines are critical components in the pipe systems for cooling water, firefighting water, ballast water, crude oil transportation, and production water etc. Given the corrosive nature of seawater, these pipelines are susceptible to significant corrosion issues...

... ABSTRACT The current research on subsea pipeline damage predominantly utilize theoretical formulations and numerical simulations. While theoretical calculations offer rapid results, they often lack precision; conversely, numerical simulations provide greater accuracy but require more time...

... ABSTRACT A combination of model experiments and numerical simulations was used to study the anti anchor ability of subsea pipeline in sea route areas under rockfill protection. By setting up layered rockfill protection to imitate the actual subsea pipeline rockfill protection plan, anchor drop...

... design parameters of overpressure protection in the pump discharge pipeline of firewater systems in large-scale refineries. This article aims to the calculation of firewater pump's duty point based on that the firewater demand has already been determined. Then it analyzes overpressure risks...

... ABSTRACT Submarine pipelines are a critical route for ensuring the long-distance transportation of oil and gas and other materials. The complex and changeable marine environment often leads to leakage of submarine pipelines. Therefore, it is necessary to develop a nondestructive pipeline...

... ABSTRACT Submarine pipelines, critical for offshore oil and gas production, are vulnerable to local scouring and subsequent vibrations that threaten pipeline stability and safety.This study investigates the impact of forced vibration on scouring using FLOW-3D simulations.By analyzing varying...

... ABSTRACT Economical transportation of hydrogen through submarine pipelines is a key challenge. Currently, there are no comprehensive guidelines for assessing the technical and economic viability swiftly and robustly in an early project stage. The industry is in dire need of a consensus...

... ABSTRACT As hydrogen transportation pipeline has the advantages of large capacity, low energy consumption and low marginal cost, it has been internationally recognized as an efficient transportation method for long-distance and large-scale hydrogen transportation scenarios. For hydrogen...

... approach, incorporating applications of deep learning method known as Physics Informed Neural Networks (PINNs), is proposed as an alternative for pipelay analysis modeling. We explain how to incorporate the static equilibrium of subsea pipeline laying into PINNs, and explore in detail the application...

... ABSTRACT To enhance the transport capacity of subsea pipelines, reduce design redundancy, and achieve accurate operational pressure prediction, a novel hydraulic friction coefficient correction model is proposed. This model integrates field data from in-service subsea oil pipelines...

... ABSTRACT As the "lifeline" for oil and natural gas transmission, stone backfilled methods are usually used to protected the submarine pipelines in some shallow water areas, in casing dragged or damaged by fishing nets, ship anchors, and other marine equipment. However, The backfilled stones...

...-liquid two-phase pipelines, particularly in fields such as chemical engineering, deep-sea mining, and water conservancy engineering (Dai, 2021; Ren, 2024). The industry faces a significant challenge in managing fluctuations in solid mass flow rates across pipeline cross-sections, as such instabilities...

... ABSTRACT In deep-sea mining transportation systems, pipelines constructed from two different materials present a promising option. However, pipes composed of dissimilar materials exhibit complex dynamic responses due to the influence of internal fluid flow. This study utilizes both theoretical...

... ABSTRACT In recent production, subsea flexible pipes located in a certain oil field has experienced upheaval buckling issues caused by thermal stress. This article presents a finite element analysis method for heat transfer in non-bonded subsea flexible pipelines. It evaluates basic heat...

... ABSTRACT Acoustic pressure sensors are widely used for pipeline leakage monitoring, but there is currently a lack of systematic research on the optimal number and placement of sensors in high-pressure hydrogen pipelines. To address this, a three-dimensional pipeline model was established using...

... fluid dynamics reservoir simulation protection sediment mathematics of computing reservoir geomechanics riprap protection interaction boundary flow field mechanism time step scour equation particle motion cfd-dem foundation pipeline countermeasure Proceedings of the Thirty-fifth...

... and pulling out has gradually become prominent. Many platforms are discouraged when the mud penetration depth of pile legs exceeds 20 meters (Wang et al., 2016; Wang, 2018). geologist subsea system operation pipeline geology platform efficiency offshore oil application jack-up drilling...

... are primarily responsible for handling the production of crude oil containing water and natural gas. After processing, these products are transported through subsea multiphase pipelines to an onshore terminal for further treatment. The qualified processed crude oil then exported through the single point mooring...

... focuses on theoretical research, and has been applied in the UGS and gas reservoir (Liu, 2020). Such as, a three-phase flow model of reservoir, wellbore and pipeline coupling is established for the coupling simulation of 289 horizontal Wells, and an integrated model of coupling reservoir with wellbore...