Guidelines on Composite Flexible Risers : Monitoring Techniques and Design Approaches

Amaechi, Chiemela Victor and Reda, Ahmed and Ja'e, Idris Ahmed and Wang, Chunguang and An, Chen (2022) Guidelines on Composite Flexible Risers : Monitoring Techniques and Design Approaches. Energies, 15 (14): 4982. ISSN 1996-1073

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Abstract

The increasing energy demand has led to more explorations in the oil and gas industry. To achieve this, marine risers and pipelines are used to convey fluid and other resources to meet the increasing demand. In recent years, hybrid flexible composite risers have become more adaptable. Flexible risers have already proven to be a popular riser solution for various floating production systems in shallow to deepwater in many parts of the world due to their good dynamic behaviour and dependability. The hybrid flexible composite riser is made up of numerous layers of plastics, flexible pipes, composites, and steel. Some innovative monitoring methods, such as Fiber Optics Bragg Gratings (FBG), are based on a clamped composite structure with embedded optical fibre. This study presents characteristics of the monitoring techniques of composite flexible riser technology. The advantages of the monitoring techniques include aiding composite riser measurements, recording data from riser deformation, improving integrity assurance, and dependability of design from stable readings. It also proposes some design approaches as guidelines that are advised, with some policy implications.