Conceptual design and numerical analysis of a novel platform for marginal oilfields development

Zhao, Zhijuan; Li, Yan; Tang, Yougang; Ji, Xinjie

doi:10.1016/j.oceaneng.2019.106145

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…Another possible solution to improve hydrodynamic performance is to design newtype floating structures. There are different kinds of non-ship-type FPSOs proposed, such as cylindrical bodies [8,9], multicylinder bodies [10], sandglass-type bodies [11,12], deep-draft multicolumn bodies [13,14], fillet inverted quadrangular frustum pyramid bodies [15,16], and so on. According to both numerical and experimental tests, their robust hydrodynamic performance is shown, especially the feature of insensitivity to the incident wave direction.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Responses of the Cylindrical Floating Drilling Production Storage and Offloading System with Annular Anti-Motion Structures under the Survival Sea Scenario

Zhao

et al. 2023

JMSE

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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 storage capacity can hardly use this cost-saving facility due to their relatively poor vertical motion performance. Cylindrical FPSOs are proposed to improve the heave performance of ship-type FPSOs, but their behaviors are still too large to adopt the dry wellheads. In the present work, a cylindrical FDPSO platform is proposed based on the FWPSO platform, adding an extension cylinder and a new damping structure at the bottom. Their hydrodynamic performances are calculated by the potential theory and compared in the frequency domain. Taking two particular mooring systems, including both catenary and ‘chain-polyester-chain’ types, and the survival sea scenario in the South China Sea into account, a time-domain coupling analysis was adopted to simulate the dynamic performance of the platform-mooring system. The feasibility of dry wellhead adoption on the FDPSO is discussed by investigating the platform motion and the mooring tension. The results show that the FCDS platform with the ‘chain-polyester-chain’-type mooring system can meet the motion response requirements, and the mooring system can also meet the requirements of the specification.

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Section: Introductionmentioning

confidence: 99%

Dynamic Responses of the Cylindrical Floating Drilling Production Storage and Offloading System with Annular Anti-Motion Structures under the Survival Sea Scenario

Zhao

et al. 2023

JMSE

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Numerical Study on the Stress Distribution Analysis of Two-Planar DKDT Tubular Joint Under Variation of Axial Loading Conditions

Noviyanti¹,

Prastianto²

2022

Lecture Notes in Mechanical Engineering

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Damping performance of annular anti-motion structures on a cylindrical floating drilling production storage and offloading system

Tang

et al. 2019

Ocean Engineering

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Conceptual design and numerical analysis of a novel platform for marginal oilfields development

Cited by 3 publications

References 27 publications

Dynamic Responses of the Cylindrical Floating Drilling Production Storage and Offloading System with Annular Anti-Motion Structures under the Survival Sea Scenario

Dynamic Responses of the Cylindrical Floating Drilling Production Storage and Offloading System with Annular Anti-Motion Structures under the Survival Sea Scenario

Numerical Study on the Stress Distribution Analysis of Two-Planar DKDT Tubular Joint Under Variation of Axial Loading Conditions

Damping performance of annular anti-motion structures on a cylindrical floating drilling production storage and offloading system

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