ABSTRACT

This study investigates the application of flexible composite liners for repairing long-distance subsea pipelines with multiple bends. Employing a comprehensive methodology that integrates theoretical calculations and numerical simulations via ABAQUS, the research addresses the complexities involved in liner installation. Key findings demonstrate the effectiveness of these liners in complex pipeline configurations, highlighting the impact of factors like bend angles and inner wall roughness on installation forces. The study confirms the feasibility of this repair method, offering significant implications for enhancing the safety and efficiency of subsea pipeline maintenance.

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Go to Pipelines 2024
Pipelines 2024
Pages: 185 - 193

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Published online: Aug 30, 2024

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1School of Civil Engineering, Southeast Univ., Nanjing, China. Email: [email protected]
2China National Offshore Oil Corporation Research Institute, Beijing, China. Email: [email protected]
Hongfang Lu, Ph.D., M.ASCE [email protected]
3Associate Professor, School of Civil Engineering, Southeast Univ., Nanjing, China. ORCID: https://orcid.org/0000-0002-5172-9008. Email: [email protected]
Tom Iseley, Ph.D., Dist.M.ASCE [email protected]
4Professor, Construction Engineering and Management, Purdue Univ., West Lafayette, IN. Email: [email protected]
John Matthews, Ph.D., A.M.ASCE [email protected]
5Professor and Director, Trenchless Technology Center, Louisiana Tech Univ., Ruston, LA. Email: [email protected]
6Chairman, Asoe Hose Manufacturing, Inc., Taizhou, China. Email: [email protected]

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