PARIS – Petrobras has contracted Technip to supply risers and flowlines for the deepwater Guara and Lula Nordeste presalt field developments in the Santos basin. Water depth is 2,250 m (7,382 ft).
Technip will manufacture 24 km (14.9 mi) of 6-in. gas injection flexible lines rated for a design pressure of 552 bar (8,006 psi). These will comprise 2 x 200 m (656-ft) top risers incorporating the company’s Teta-Clip pressure vault technology, 4 x 1,400 m (4,593 ft) of intermediate and bottom risers, and 18 km (11.2 mi) of flowlines.
Gas injection lines will re-inject produced gas into the reservoir in compliance with Brazil’s new environmental regulation.
Frédéric Delormel, Technip EVP and COO Subsea, said: “This very innovative solution developed by our French and Brazilian R&D teams takes Technip further to meet corrosion and fatigue requirements, which increased with presalt field developments.
“Our success in this first presalt tender for gas injection flexible risers demonstrates the leading edge position of our Teta-Clip pressure vault technology to meet such high internal pressure and high tension requirements, and comfort us in our investment to build our new flexible plant in Açu, Brazil, which will be capable to manufacture this type of high-end products.”
The pipelines will be delivered in two batches during 2012 and early in 2013.
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