SPECIAL REPORT: Independence Hub sees record SCR installation

The 20-in. steel catenary riser, connecting the Independence Hub (IHUB) 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 work in first-quarter 2007, having previously been installed by Allseas&rsq...

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