Wood Group Scores Detailed Design Deal for Jack/St. Malo Pipeline



Amberjack Pipeline Company awarded Wood Group's J P Kenny a contract to perform detailed design for the company's Jack/St. Malo deepwater oil export pipeline in the Gulf of Mexico. Chevron Pipe Line Company will construct and operate the pipeline for Amberjack. The 136-mile (219-kilometer), 24-inch pipeline will be located in a water depth of 6,890 feet (2,100 meters), and will start at the Jack/St. Malo hub production facility in Walker Ridge Block 718 and connect to the Shell Boxer "A" fixed platform at Green Canyon Block 19.

The design must allow for technical challenges that include routing of the pipeline to minimize spans, design for pre- and post-installation vortex-induced vibration and stress spans, collapse testing of the pipe to verify wall thickness design, and installation of in-line valves and sleds, reported Wood Group. Located in a water depth of 7,000 feet (2,134 meters) on Walker Ridge Blocks 758 and 759 (Jack), and 678 (St. Malo), the joint development project is operated by Chevron (50%). Partners include Statoil (25%) and Maersk (25%).

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