High-pressure pipe element consisting of hooped tube sections
AssigneeInstitut Francais du Petrole
InventorsJean Guesnon, Christian Gaillard, Gérard Papon
Life of this patent
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Abstract
A high-pressure pipe element having hooped tube sections for making lines referred to as kill lines and choke lines that equip oil drilling installations, notably offshore. The element includes several hooped tube sections (51 to 56) connected by connecting parts (3).
Claims6
A high-pressure pipe element, wherein said element comprises at least two hooped tube sections connected by connecting means that meet mechanical strength and pressure resistance requirements for said at least two hooped tube sections, wherein said connecting means comprise an intermediate connecting part screwed between the at least two hooped tube sections, sealing means and locking means for fastening the at least two hooped tube sections on said intermediate connecting part, wherein said locking means comprise at least one U-shaped part so as to block any longitudinal play between the at least two hooped tube sections and the intermediate connecting part, wherein said at least one U-shaped part includes a base and two distinct legs extending from the base.
Dependencies are inferred from the claim text.