BP Unlocks 18th Oil Discovery in Ultra-Deepwater Block 31 Angola

Sociedade Nacional de Combustíveis de Angola (Sonangol) and BP Exploration (Angola) Limited today announced the 'Oberon' oil discovery in ultra-deepwater Block 31, offshore Angola.

This is the eighteenth discovery made by BP in Block 31 and is located in the southern portion of Block 31 about 335 kilometers northwest of Luanda and 4.3 kilometers to the north-east of the Dione discovery.

Oberon-1 was drilled in a water depth of 1624 meters and reached a total depth of 3622 meters TVD below sea level. The well test results confirmed the capacity of the reservoir to flow in excess of 5000 barrels/day under production conditions.

Sonangol is the concessionaire of Block 31. BP Exploration (Angola) Limited as operator holds 26.67 percent. The other interest owners in Block 31 are Esso Exploration and Production Angola (Block 31) Limited (25 percent), Sonangol P&P (20 percent), Statoil Angola A.S. (a subsidiary of StatoilHydro ASA) (13.33 percent), Marathon International Petroleum Angola Block 31 Limited (10 percent) and TEPA (BLOCK 31) Limited, (a subsidiary of the Total Group) (5 percent).

BP in Angola

  • BP's involvement with Angola goes back to the mid 1970s. During the 1990s, BP made very substantial investments in Angola's offshore oil and it is now an important part of the company's upstream portfolio. BP has interests in four blocks with operated interests in two and has a 13.6 percent interest in the Angola LNG project.
  • Operatorship of Block 31 was awarded to BP Exploration (Angola) Limited in May 1999. The Block covers an area of 5,349 square kilometers and lies in water depths of between 1,500 and 2,500 meters.
  • BP also has operated interests (BP 50.00% equity) in Block 18 where the Greater Plutonio Project started production on 1st October 2007.
  • BP has non-operated interests in Block 15, operated by Esso Exploration Angola (Block 15) Limited (BP 26.67 percent), in Block 17 operated by Total (BP 16.67 percent) and the ALNG (13 percent).