Insulated Welded Joint for Pipe-in-Pipe systems

An insulated joint in a pipe-in-pipe system comprises a weld that connects two inner pipes while respective outer pipes circumferentially enclose the inner pipes and terminate at a position distal from the weld. Respective rings are coupled to the inner pipes at the distal position and the outer pip...

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Bibliographic Details
Main Authors Moncarz, Piotr D, McGilvray, Jr., Mark, Man, Henryk
Format Patent
LanguageEnglish
Published 17.10.2024
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Summary:An insulated joint in a pipe-in-pipe system comprises a weld that connects two inner pipes while respective outer pipes circumferentially enclose the inner pipes and terminate at a position distal from the weld. Respective rings are coupled to the inner pipes at the distal position and the outer pipes are welded to the rings. A joint insulation material covers the weld, and a sleeve segment covers the weld and joint insulation material. Preferably, the sleeve segment is formed from two half-pipe sleeve portions and welded to the rings to so secure the sleeve segment to the joined pipe-in-pipe segments. Contemplated pipe-in-pipe systems have significantly reduced thermal loss and provide strength sufficient for a pipe laying process that includes pipe bending and pipe straightening.
Bibliography:Application Number: US202218293721