Subsea-to-subsea gulf pipelay further signals movement into deep water

A "subsea-to-subsea" installation was completed in late 2001 on Shell Exploration & Production Co.'s Einstat project by Stolt Offshore Inc., Houston. Such installations are rare, according to Stolt project manager Bjorn Koi, but may become more common for deepwater development. Click here to enlarge imageThe project involved a flowline and an umbilical tied between a new deepwater Einstat well on Viosca Knoll Block 872 and two existing Tahoe facilities.Vessel record; auto weldingKoi says Stolt's Seaway Falcon multipurpose vessel achieved its deepest pipelay to date in the project and, in a single mobilization, used the J-lay installation method. Welding aboard the lay vessel empl...

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