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Experimental testing and modelling of an industrial insulated pipeline for deep sea application ArchiMer
Bouchonneau, Nadege; Sauvant-moynot, Valerie; Choqueuse, Dominique; Grosjean, Francois; Poncet, Emmanuel; Perreux, Dominique.
Ultra-deep water (up to 3000 in) is one of the next frontiers for oil offshore exploitation. It requires the use of conduits having to resist in the long run (durability about 25 years) the mechanical and environmental requests. One of the key points is the thermal insulation of the structure to avoid the formation of hydrates and paraffin plugs inside of the steel pipe. Over the past 10 years, many studies were performed to better understand the behaviour of the syntactic foams used as thermal insulation of pipes for deepwater production, but few tests were run on industrial prototypes to reach the actual thermal properties of the systems. This paper presents the numerical and experimental characterizations of an industrial multilayered insulated pipeline...
Tipo: Text Palavras-chave: Layered structure; Subsea; Thermal properties; Modelling; Syntactic foam.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12248/9032.pdf
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Comprehensive analyses of syntactic foam behaviour in deepwater environment ArchiMer
Grosjean, Francois; Bouchonneau, Nadege; Choqueuse, Dominique; Sauvant-moynot, Valerie.
Over the past 10 years, numerous studies were performed to better understand the behaviour of the glass syntactic foams used as thermal insulation of pipes for deepwater production. The obtained results outlined some specific behaviour of polymeric syntactic foams reinforced by glass microballoons in service conditions: both water uptake and mechanical stress have a key impact on thermal properties. This article focuses first on the wet behaviour of glass syntactic foams. The effect of water is investigated to better model the nature of water diffusing in syntactic foams with and without a topcoat protection. Secondly, the effect of hydrostatic pressure on coated structure is addressed by using a confined compression test. As polymer material is bonded to...
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Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6382.pdf
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