Optimisation of mooring line parameters for offshore floating structures: A review paper

Ja’e, Idris Ahmed; Ali, Montasir Osman Ahmed; Yenduri, Anurag; Nizamani, Zafarullah; Nakayama, Akihiko

doi:10.1016/j.oceaneng.2022.110644

Cited by 21 publications

(16 citation statements)

References 33 publications

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“…At extreme depths around 3000 m, the risers are induced by external loadings, corrosive fluids, increasing pressures, changing temperatures, etc. [38][39][40][41][42][43]. As such, it is important to effectively test these composite production risers (CPR) against test limits of steel catenary risers (SCR) and other bonded composite pipes to avoid failure of the marine riser [44][45][46][47].…”

Section: Introductionmentioning

confidence: 99%

Review of Composite Marine Risers for Deep-Water Applications: Design, Development and Mechanics

et al. 2022

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In recent times, the utilisation of marine composites in tubular structures has grown in popularity. These applications include composite risers and related SURF (subsea umbilicals, risers and flowlines) units. The composite industry has evolved in the development of advanced composites, such as thermoplastic composite pipes (TCP) and hybrid composite structures. However, there are gaps in the understanding of its performance in composite risers, hence the need for this review on the design, hydrodynamics and mechanics of composite risers. The review covers both the structure of the composite production riser (CPR) and its end-fittings for offshore marine applications. It also reviews the mechanical behaviour of composite risers, their microstructure and strength/stress profiles. In principle, designers now have a greater grasp of composite materials. It was concluded that composites differ from standard materials such as steel. Basically, composites have weight savings and a comparative stiffness-to-strength ratio, which are advantageous in marine composites. Also, the offshore sector has grown in response to newer innovations in composite structures such as composite risers, thereby providing new cost-effective techniques. This comprehensive review shows the necessity of optimising existing designs of composite risers. Conclusions drawn portray issues facing composite riser research. Recommendations were made to encourage composite riser developments, including elaboration of necessary standards and specifications.

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Section: Introductionmentioning

confidence: 99%

Review of Composite Marine Risers for Deep-Water Applications: Design, Development and Mechanics

et al. 2022

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Section: Introductionmentioning

confidence: 99%

“…Floating structures need to be stable, float, withstand adverse weather conditions and also carry the load from their attachments [1,2]. These structural attachments include marine risers, mooring lines, umbilicals, subsea cables and marine hoses [2,3]. Considering the increasing demand for the utilisation of more marine composites in the oil and gas industry, more investigations have been conducted on the subject area [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…These reviews showed recent developments, challenges and an overview on the behaviour of marine composites under different conditions. This includes the use of marine marine composites as composite marine risers [2][3][4][5][6][7]. Thus, with the exploration of oil trending deeper from shallow waters to deep waters, there is a corresponding increase in the need for more sustainable conduit materials for production purposes [8][9][10][11][12][13] as well as novel floating structures to support these hose-risers [14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

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Numerical Modelling on the Local Design of a Marine Bonded Composite Hose (MBCH) and Its Helix Reinforcement

et al. 2022

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With the exploration of oil trending deeper, from shallow waters to deep waters, there is a corresponding increase in the need for more sustainable conduit materials for production purposes. Secondly, there is an increasing demand for more energy from fossil fuels that are excavated with less expensive technologies. As such, short-service hoses are applied in the offshore industry. The industry has utilised composites to improve the material and solve different offshore issues. This study analyses a current problem facing the oil and gas industry at present regarding hose usage. This paper presents results from the local design and analyses of a marine bonded composite hose (MBCH), to present its result visualisations and nephographs. In this paper, the local design of a 1 m section of an MBCH was carried out in ANSYS under different loading conditions. Some design criteria were set, and other load conditions were used to simulate the model using the finite element model (FEM) approach. From this study, composites could be considered to improve conventional marine hoses. The findings of the study include the identification of linear wrinkling and damage sites on the helix reinforcement. An experimental investigation and proper content test are recommended for the bonded hose. Additionally, highly reinforced hose ends are recommended in the ends of the MBCH, as they had maximum stress and strain values. It is recommended that hose operations like reeling must be conducted under operational pressure and not design pressure, as the study shows that the design pressure could be high on the hose model.

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“…In addition, there are supporting attachments for these offshore installations that are used for a variety of functions and in a variety of water depths and environments globally. These components included drilling/production marine risers [17][18][19][20][21][22][23], composite risers [24][25][26][27][28][29][30], mooring lines [31][32][33][34][35][36][37][38][39], and marine hoses [40][41][42][43][44][45][46][47][48][49]. Figure 1 depicts some offshore platform installations.…”

Section: Introductionmentioning

confidence: 99%

Review on Fixed and Floating Offshore Structures. Part II: Sustainable Design Approaches and Project Management

Amaechi

Reda

Butler

et al. 2022

JMSE

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Offshore structures exist in a variety of forms, and they are used for a variety of functions in varied sea depths. These structures are tailored for certain environments and sea depths. Different actions for suitable equipment selection, platform type design, and drilling/production processes are required for the applications of these offshore structures, as given in Part I. This paper is the second part, which outlines various processes, loads, design approaches and project management of offshore platforms. To achieve these, proper planning must be conducted for lifting, transportation, installation, design, fabrication, and commissioning of these offshore platforms. Some historical developments of some offshore structures are presented, and some project planning routines are undertaken in this research. The ultimate goal is to provide a general overview of the many processes of offshore platform design, construction, loadout, transportation, and installation. Some discussions on the design parameters such as water depth and environmental conditions were presented. It also lists various software programs used in engineering designs. The review also includes information on cutting-edge offshore platforms and industry advancements. Ultimately, for long-term operations, various types of offshore platforms for specific seawater depths are available.

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Optimisation of mooring line parameters for offshore floating structures: A review paper

Cited by 21 publications

References 33 publications

Review of Composite Marine Risers for Deep-Water Applications: Design, Development and Mechanics

Review of Composite Marine Risers for Deep-Water Applications: Design, Development and Mechanics

Numerical Modelling on the Local Design of a Marine Bonded Composite Hose (MBCH) and Its Helix Reinforcement

Review on Fixed and Floating Offshore Structures. Part II: Sustainable Design Approaches and Project Management

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