The Planning And Installation Of The Red Hawk Spar And Polyester Mooring System

Jatar, S.; Dove, P.G.S.

doi:10.4043/17294-ms

Cited by 2 publications

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“…The new concepts pay more attention to the platform motion performance, dry tree system availability, various ocean conditions adaptability, low cost, low fabricative difficulty, the more design flexibility, etc. (Chedzoy and Lim, 2003;Cermelli et al, 2004;Jatar and Dove, 2005).…”

Section: Introductionmentioning

confidence: 95%

Concept design of a new deep draft platform

2010

J. Marine. Sci. Appl.

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The authors analyzed requirements for a new deepwater platform, from conceptual design to hydrodynamic analysis. The design incorporated Deep Draft Multi-Spar (DDMS) that allowed easy fabrication, reduced costs, and provided favorable motion performance. It also provided a dry tree system and other benefits. The conceptual design process included dimension estimation, general arrangements, weight estimation, weight distribution, stability analysis, etc. A high order boundary element method based on potential theory and the modified Morison equation was used to predict the hydrodynamic and viscous effects of this new concept platform. The response amplitude operators (RAOs) were acquired and compared with those of a typical Truss Spar. The response of the platform to the JONSWAP spectra of 3 different extreme ocean conditions was analyzed to evaluate the seakeeping ability of the new concept. The results revealed favorable motion performance due to all the degrees of freedom available.

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Section: Introductionmentioning

confidence: 95%

Concept design of a new deep draft platform

2010

J. Marine. Sci. Appl.

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“…Further details on this operation can be found in Reference [4] and a chain pull-in layout can be found in Figure 4. Further details on this operation can be found in Reference [4] and a chain pull-in layout can be found in Figure 4.…”

Section: On-board Mooring Equipmentmentioning

confidence: 99%

Red Hawk Hull Design And Topsides Interfaces

Maher

Weaver

Thomas

et al. 2005

Offshore Technology Conference

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TX 75083-3836, U.S.A., fax 01-972-952-9435. Abstract The development of the cell spar Platform for the Kerr-McGee Red Hawk Field in the Gulf of Mexico represents the first application of this deepwater concept. The Red Hawk cell spar Platform was installed in about 5300 feet of water at Garden Banks Block 876 in early 2004 and achieved full production within 15 days of start-up.This paper describes the design of the integrated spar hull and topside, with particular emphasis on the hull and related hull systems, due to their novelty. It provides a general description of the hull structure as well as the various hull and marine systems, riser support systems, and main structural appurtenances, including strakes.The operation of the ballast system using compressed air is compared to a conventional ballast pump design. The inspection philosophy for the ballast tanks is described along with regulatory issues related to the ballast system. The operation of the mooring line winch and the handling of the chain at the top of the spar is also described. Vortex Induced Motion (VIM) performance, the upending of the spar, and initial impressions of the spar motion by field personnel are also discussed.Red Hawk is the first application of the cell spar hull form. Building on several years of development, this new technology offers a more cost-effective solution than previous spar designs for small topsides payloads and low riser counts. The engineering of the cell spar demanded solutions to several challenging new problems. These solutions are now ready for implementation on future projects.

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The Planning And Installation Of The Red Hawk Spar And Polyester Mooring System

Cited by 2 publications

References 0 publications

Concept design of a new deep draft platform

Concept design of a new deep draft platform

Red Hawk Hull Design And Topsides Interfaces

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