Sevan Driller
In June 2010, UDW Sevan Driller became the world’s first cylindrical drilling rig to commence operation. The rig is currently operating under a six year contract for Petrobras S.A. offshore Brazil.
Petrobras S.A is a national oil company founded in 1953 by the Brazilian government. Petrobras has been ranked as the worlds 3rd largest public energy company and 8th largest company in the world in market value, and closed 2010 with a production of 2.2 million bpd of oil and LNG and 0.4 million boepd of gas.
Petrobras S.A is a national oil company founded in 1953 by the Brazilian government. Petrobras has been ranked as the worlds 3rd largest public energy company and 8th largest company in the world in market value, and closed 2010 with a production of 2.2 million bpd of oil and LNG and 0.4 million boepd of gas.
Design: Sevan 650 Building year: 2009 Yards: Cosco Shipyard, China Client: Petrobras S.A. Contract: 6 year fixed Field/area: Pre-salt Brazil Start operation: Q2 - 2010 Registration Singapore Classification DNV Water depth 3,000 m (10,000 ft, upgradable to 12,000 ft) Drilling depth 12,000 m (40,000 ft) LOA (Length) 86 m Breadth 75 m (at waterline) Depth 24.5 m Displacement 55,800 mT at 12.5m draft Variable deck load 20,000 mT Diesel generators 8 x 5,535 kW Thrusters 8 x 3,800 kW Station keeping DP3 Living quarters 150 persons Helicopter deck Sikorsky S92 and S-61N, Superpuma AS332L2, EC225 and EH-101 Deck cranes 2 ea, max capacity: 100 mt at 15 m Oil storage 150,000 bbl Mud storage 2,850 m3 Transit speed 7-9 knots Deck area 5,700 m2 Riser tensioning system DAT - 3,200 kips Drilling lifting capacity 1,000 ton Set back load 1,000 mT Type Parallel operations. Independent handling of BOP and X-mas trees Hook load, main/aux 908 mT BOP 18 3/4", 15,000 psi, 5-6 rams (upgradeable to 7) Mud pumps 4 x 2,200 hp, 7,500 psi














