Danos delivers boarding valve skids for Shell’s Appomattox platform

Offshore staff

GRAY, LouisianaDanos has completed the fabrication of three boarding valve skids and one service line skid for Shell Offshore Inc.’s deepwater Appomattox facility.

The project, which took about 12 months to complete, engaged four of the company’s service lines: project management, fabrication, coatings, and automation.

The skids, weighing in at approximately 160 tons each, were fabricated at Danos’ 120,000-sq ft (11,148-sq m) facility in Amelia, Louisiana.

Key design elements of the modules included 12,200 psi (841 bar) design pressure and 350°F (177°C) operating temperature requirements. The API 15K psi piping system consisted of 4130 material overlaid with Inconel 625. All welding was completed on the project with less than 0.45% weld-repair rate. Indoor humidity-controlled painting habitats were used.

The company says the project was delivered on budget and was performed safely with no lost time due to accidents or injuries.

Mark Danos, vice president of project services, said: “Delivery of this project marks Danos’ entry into the module fabrication market. We are proud that Shell chose us as their contractor for this critical component of the Appomattox project.”

Located 80 mi (129 km) offshore Louisiana in about 7,200 ft (2,195 m) of water, the Appomattox development will comprise a semisubmersible, four-column production host platform, a subsea system featuring six drill centers, 15 producing wells, and five water injection wells.

11/15/2016

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