Pipe-Soil Interaction Mechanism and Stability of Offshore Pipelines

Dear Colleagues,

Offshore pipelines are used for a number of purposes in the development of submarine hydrocarbon resources; for example, carrying oil and gas products from the wellhead to the riser base, connecting the processing facilities (e.g., a platform or a floating production storage and offloading vessel (FPSO)), and transferring water or chemical inhibitors. A pipeline system can be a single-pipe, pipe-in-pipe, or bundled system. Pipeline design analyses include stress analysis, span analysis and vortex shedding, on-bottom stability analysis, thermal expansion analysis, global buckling analysis, crossing analysis, etc. During the process of pipeline installation and operation, the pipe–soil interaction affects various aspects of submarine pipelines and risers, which includes the on-bottom lateral stability of pipelines under hydrodynamic forces during the periods of both installation and operation, the thermal expansion of pipelines and global buckling, pipeline laying, bottom towing and pulling-in methods of installation, and the touchdown point of the SCR design. The interaction between pipe and seabed is one of the most important factors in the pipeline design process.

Goal: Offshore pipelines may be subjected to waves, currents, high temperature, and high pressure. Potential failures, such as buckling, fracture, fatigue, corrosion, excessive displacement, etc., may occur under extreme loading conditions. More efforts should be given to this topic. The purpose of this Special Issue is to present recent advances in the field of pipe–soil interaction and stability of offshore pipelines. Authors are encouraged to submit original fundamental and applied papers about theoretical, numerical, experimental, and case studies that contribute to the improvement of the pipe–soil interaction and stability of offshore pipelines.

Potential topics: Potential topics of this Special Issue include, but are not limited to, the following research topics:

• Pipe–soil interaction;
• PIP (pipe-in-pipe), lined pipes, sandwich pipes;
• Flexible pipes, cables, risers, umbilicals;
• Full-scale and centrifuge model tests;
• Bearing capacity of submarine structures;
• Failure mechanisms of pipelines and risers;
• VIV of pipelines and risers;
• Scour of submarine pipelines;
• Global buckling and walking of submarine pipelines;
• Local buckling and collapse of pipelines and risers;
• Fracture, fatigue, and corrosion of pipelines and risers;
• Design and installation;
• Reliability analysis;
• New materials, and design and construction methods for pipelines and risers.

Prof. Dr. Lizhong Wang
Prof. Dr. Zhen Guo
Prof. Dr. Zhenkui Wang
Guest Editors

Manuscript Submission Information

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• submarine pipelines
• risers
• pipe–soil interaction
• bearing capacity
• buckling
• VIV
• scour
• collapse
• fatigue
• corrosion
• reliability
• experiment
• FEA