The 20-inch steel catenary riser, connecting the IHUB (Independence Hub) production platform to the Independence Trail natural gas export pipeline, ranks as the largest and deepest such riser ever installed. Beginning at the IHUB, on Mississippi Canyon Block 920 in water 8.000 ft deep, Independence Trail is also the deepest export pipeline installed to date. Enterprise hired Heerema Marine Contractors Nederland BV for installation of the IHUB floating production facility, including all risers. Both the export riser and IHUB's production risers were in temporary storage on the seabed near IHUB when Heerema began to work in first-quarter 2007, having previously been installed by Allseas' Solitaire. The export riser lay parallel to one of the production risers but on top of four others and under two. Production risers are 8 and 10 inch OD (outer diameter). This article outlines the Independence Hub project and details installation of the export SCR.


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    Titel :

    Independence Hub sees record SCR installation


    Beteiligte:

    Erschienen in:

    Oil and Gas Journal ; 105 , 16 ; 96-102


    Erscheinungsdatum :

    2007


    Format / Umfang :

    4 Seiten, 4 Bilder



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch