Sustainable Offshore Pipeline Operations

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Coastal Engineering".

Deadline for manuscript submissions: 10 April 2025 | Viewed by 307

Special Issue Editor


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Guest Editor
Faculty of Mechanical Engineering, Helmut Schmidt University/University of the Federal Armed Forces Hamburg, 22008 Hamburg, Germany
Interests: fatigue and corrosion fatigue of materials; pipeline fatigue and failure; risk-management of oil and gas pipelines; corrosion degradation of steel and alloys; ageing of low-corbon steels

Special Issue Information

Dear Colleagues,

Offshore pipelines are essential for the transportation of oil, gas, and other liquids from subsea wells to onshore facilities or between offshore facilities. Their operation involves several key components and processes to ensure safe, efficient, and environmentally responsible transport. Research on offshore pipeline technology is continuously evolving, focusing on improving safety, efficiency, and environmental sustainability. Offshore pipeline operations require a multidisciplinary approach involving engineering, environmental science, regulatory knowledge, and cutting-edge technology to ensure the safe, efficient, and sustainable transport of resources.

For this Special Issue, we invite papers that present theoretical, experimental, or numerical works related to offshore pipeline operations and the sustainable development of offshore infrastructure, but the Special Issue’s scope is not limited to these areas. Papers on related issues, such as offshore pipeline design and environmental impact assessment during construction, are also welcome. We also welcome works related to the decommissioning of pipelines and minimization of long-term man-made and environmental impacts.

Prof. Dr. Liubomyr Poberezhnyi
Guest Editor

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Keywords

  • sustainable development
  • service life estimation
  • environmental impact
  • offshore pipeline decommissioning
  • pipeline fatigue and failure
  • hydrogen pipeline transportation

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Published Papers (1 paper)

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Research

29 pages, 18764 KiB  
Article
Analytical Modeling of the Lazy-Wave Hydrogen Production Riser (HPR) with Incorporation of Seabed Interaction in the Touchdown Zone
by Mohammad Mahdi Hajitaheriha and Hodjat Shiri
J. Mar. Sci. Eng. 2024, 12(12), 2129; https://doi.org/10.3390/jmse12122129 - 22 Nov 2024
Viewed by 77
Abstract
Hydrogen production risers (HPRs) connected to floating offshore wind turbines (FOWTs) must be properly configured to minimize both the top-end tension at the hang-off point and the oscillation amplitude in the touchdown zone (TDZ) under environmental loads. One of the best riser configurations [...] Read more.
Hydrogen production risers (HPRs) connected to floating offshore wind turbines (FOWTs) must be properly configured to minimize both the top-end tension at the hang-off point and the oscillation amplitude in the touchdown zone (TDZ) under environmental loads. One of the best riser configurations to meet these requirements is the lazy-wave configuration, where the riser is lifted midway by buoyancy tanks to create a negative curvature, mitigating the motion dependency of the catenary part and the TDZ. Analytical solutions can be effectively used in riser optimization and configuration studies, where a large number of analyses need to be conducted iteratively. In this paper, an analytical model for HPRs has been developed by combining different approaches for the hanging and touchdown zones to improve the accuracy and continuity of shear force, bending moment, and axial tension distribution along the riser, which are the key parameters governing fatigue damage accumulation in the TDZ. Modified catenary equations were used for the hanging part, and a boundary layer model was implemented in the touchdown zone to model the seabed interaction, preventing stress discontinuity between the two sections. The model was used to assess a case study and compared with numerical simulations to ensure accuracy and viability. The proposed model can be used in daily engineering practice for preliminary investigations and optimization studies of HPRs. Full article
(This article belongs to the Special Issue Sustainable Offshore Pipeline Operations)
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