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Yan Li, Yaolong Li, Zhimin Zhao, Yougang Tang, Haoran Li, Yijian Zhang and Yinan Hu
At present, dry wellheads are usually adopted on small-storage TLP and SPAR platforms to develop offshore oil and gas because of the robust hydrodynamic performance under severe-wind seas. On the other hand, FPSO and FDPSO platforms that have a larger st...
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Lei Sun, Xing-Quan Yang, Shu-Xia Bu, Wen-Tao Zheng, Yu-Xiang Ma and Zi-Lu Jiao
A variety of floating structures at sea play a vital role in the exploitation and utilization of marine resources. The study about interactions between waves and structures is necessary for the impact of the harsh marine environment on the motion and ser...
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Ehsan Nikkhah, Antonio Carlos Fernandes and Jean-David Caprace
Online monitoring of mooring system response for the FPSO platform in any operational condition is so far challenging for machine learning (ML). This paper presents a new dynamic NARX ANN model for time series of mooring tension and a static MLP model fo...
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Xingwei Zhen, Frank Lim, Qiuyang Duan, Yiwei Geng and Yi Huang
The prevailing offshore field development solutions, i.e., dry tree and wet tree systems, are confronted with serious technical and economic challenges in deep and ultra-deep waters resulting from the large depth of water, far offshore distance, and hars...
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Jung-Hee Yoo, Patrick Schrijvers, Arjen Koop and Jong-Chun Park
This study entailed the estimation of wind loads performed using computational fluid dynamics (CFD) simulations for four typical offshore vessels and for a Floating Production, Storage, and Offloading (FPSO) and shuttle tanker in a side-by-side configura...
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Seongpil Cho, Hyungwon Shim and Young-Shik Kim
The conventional proportional derivative (PD) control algorithm with appropriate gain scheduling is generally applied to a dynamic positioning (DP) system. However, finding appropriate gains through gain scheduling makes the DP system more complicated. A...
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Xu Zhang, Wenchi Ni and Liping Sun
In this paper, fatigue analysis of oil offloading lines (OOLs) in the floating production storage and offloading (FPSO) catenary anchor leg mooring (CALM) buoy offloading system under wave and current loads in the West Africa Sea area is carried out by t...
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Peng Li, Conglin Jin, Gang Ma, Jie Yang and Liping Sun
Real-time monitoring of the mooring safety of floating structures is of great significance to their production operations. A deep learning model is proposed here, based on the long short-term memory (LSTM) artificial neural network. Firstly, the numerica...
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Idris Ahmed Ja'e, Montasir Osman Ahmed Ali, Anurag Yenduri, Zafarullah Nizamani and Akihiko Nakayama
The behavior of different mooring line materials has a significant influence on the behavior of the mooring system and, consequently, the dynamic responses of the floating platform. Although there have been previous studies on FPSOs and their mooring sys...
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Woo Chul Chung, Chungkuk Jin and MooHyun Kim
This study suggests a novel riser structural health monitoring methodology based on a dual algorithm (DA). In this method, the displacement tracing algorithm first traces the node displacement and tension up to the last sensor position called the target ...
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