On October 1, 2007, Greater Plutonio in Block 18 offshore Angola began production. The first BP-operated project in Angola, the development includes five fields in water depths up to 1,450 meters.
“The successful start-up of this complex of fields has significantly advanced BP’s development and use of innovative deepwater technology that will prove so important in accessing new resources around the world,” said Chief Executive of BP Tony Hayward last week in Luanda.
Located 160 kilometers northwest of Luanda, the development includes the fields Galio, Cromio, Paladio, Plutonio and Cobalto – all discovered between 1999 and 2001 and ranging in depths from 1,200 to 1,450 meters. Producing a medium gravity, low sulfur crude oil, the Greater Plutonio development consists of 43 wells, of which 20 are producers, 20 are water injectors and three are gas injectors.
An FPSO with oil storage capacity of 1.77 million barrels is being utilized to process the fluids and is connected to an intricate subsea system by the world’s longest single riser tower (1,258 meters). The subsea network consists of 150 kilometers of flowlines, nine manifolds and 110 kilometers of instrument and control umbilicals.
Much of the fabrication of the subsea structures was performed in Angola by Angolan workers, including the biggest ever Catenary Anchor Leg Mooring (CALM) offloading buoy and the first ever Angolan assembled and tested subsea trees.
Block 18 is operated by BP with 50 percent interest. Sonangol Sinopec International (SSI) also holds 50 percent interest in the block. Block 18 is approximately 5,000 square kilometers in area and varies in water depth from 500 meters to 1,500 meters.
The operator of Blocks 18 and 31, BP also holds interest in Blocks 15 and 17 offshore Angola, as well as equity in the Angola LNG project. In these four blocks, 54 discoveries have been made to date.
While Angola currently produces more than 1.7 million barrels of oil a day, projections for 2008 exceed 2 million barrels a day. The state-owned company Sociedade Nacional de Combustiveis de Angola (Sonangol E.P.) governs all of Angola’s oil and gas developments.
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