... 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...

...Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-78-4; ISSN 1098-6189 www.isope.org H2Pipe JIP: C-Mn pipelines...

... ABSTRACT The excitation generated by the operation of equipment inside the ship will be transmitted through three channels: equipment-base-hull, equipment-pipeline-hull, and the air, causing vibration of the ship structure. The vibration of the equipment base and air transmission channel can...

... of Subsea Pipelines by Hooking of Dragging Anchor Jian Zhou, Shiming Yang,Qianshuo Qi,Yanbo Liu* College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China ABSTRACT Currently, research on subsea pipeline damage predominantly focuses on incidents involving falling objects hitting...

... for pipelines transporting hydrogen are projected to increase. In this study, a ferrite-pearlite steel simulating a legacy linepipe steel was manufactured in the laboratory, and the hydrogen compatibility of the legacy material was compared with a modern bainitic linepipe steel which meets the requirements...

... ABSTRACT Submarine pipelines face the risk of accidental impact due to ship anchoring in the channel area, and rock berm protection is a commonly used means of protection. In this paper, a numerical simulation method coupled with smooth particle hydrodynamics and finite element method is used...

... to study the leakage and diffusion characteristics of gas transmission pipe, to provide theoretical basis for risk assessment. leakage pipeline fitting air emission transmission pipe experiment pipe diameter pipe static leakage equation pipe leakage numerical simulation leakage...

... ABSTRACT In this study, a natural circulation experimental system is established to investigate five typical instability modes in a pipeline. Transient two-phase flow images are captured by a high-speed camera during the experiments, and the spatio-temporal feature map of the liquid level...

... ABSTRACT This paper reviews some of the specific issues of flow assurance in the design and operation of large-scale offshore pipeline transport of hydrogen. An estimated thirty thousand km of hydrogen pipelines are planned in the next ten years. The effect of the different fluid properties...

... diffusion xz cross-section wharf drilling fluid formulation concentration boundary yz cross-section zhang wang accumulation construction case 1 sediment concentration drilling fluids and materials drilling fluid chemistry diameter interface upstream pipeline numerical simulation...

.... The water-dominated bubbly flow pattern is easy to appear during the exploration of deepwater oil and gas and natural gas hydrates, especially in drainage pipeline, the drilling wellbore after gas invasion, and the choke line section (Sun, 2020). This provides favorable conditions for the formation/re...

... ABSTRACT In the drilling of deep wells and geothermal wells, the high temperature problem brings great challenges to drilling tools and surface pipelines, but also poses safety risks to operators near the mud pits. The mud cooling system covers a large area, high cost, and has obvious...

... diameter pipeline inclination geometry phy fluid ABSTRACT This paper provides a numerical investigation of inclined hydraulic conveying by employing a combination of the discrete element model for particle behavior and computational fluid dynamics for fluid dynamics analysis. The numerical...

... ABSTRACT The submarine transportation of natural gas faces the risk of hydrate flow assurance, and research on hydrate deposition and blockage in undulating pipelines is weak. This study conducted experiments on the flow of hydrates in undulating pipes using a self-built flow loop...

... ABSTRACT The effective exploitation of natural gas hydrates is currently a hot issue of global concern. During the actual extraction process, the secondary generation of hydrates is very likely to lead to blockage of the extraction pipeline, which poses a serious challenge to flow assurance...

... control lifting thermal expansion high temperature thermal conductivity high pressure well wellhead wellhead lift model south china sea elongation accuracy wellhead lifting pipeline Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece...

... propagation below two intersecting pipelines on a sandy seabed under currents Xing Zou, Botao Xie, Jing Hou CNOOC Research Institute Co., Ltd. Beijing, China Limeng Zhao, Zhipeng Zang State Key State of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University Key Laboratory...

... Lateral Laying Effect on the Initial Embedment Depth of the Exposed Offshore Pipelines on Marine Soils Zhigang Liu1, Hairong Xiong1,Cun Hu2 1. Offshore Oil Engineering Co. Ltd. Tianjin, China; 2. Research Institute of Tsinghua University in Shenzhen Shenzhen, Guangdong Province, China ABSTRACT...