Sociedade Nacional de Combustíveis de Angola (Sonangol) and BP Exploration (Angola) Limited announced the Terra oil discovery
in ultra-deepwater Block 31, offshore Angola. Terra is the twelfth discovery that BP has drilled in Block 31. The well is located approximately 30 km NW of the recently announced Titania discovery.
Terra was drilled by the Jack Ryan drill ship, in a water depth of 2,328 metres, some 411 kilometres northwest of Luanda and reached a total depth of 6,118m TVD below sea level
. This is the third discovery in Block 31 where the exploration well has been drilled through salt to access the oil-bearing reservoir beneath.
Well test results indicate anticipated flow capacity in excess of 5000 barrels a day under production conditions.
Sonangol is the concessionaire of Block 31. BP Exploration (Angola) Limited as operator holds 26.67 per cent. The other interest owners in Block 31 are Esso Exploration and Production Angola (Block 31) Limited (25 per cent), Sonangol E.P. (20 per cent), Statoil Angola A.S. (13.33 per cent), Marathon International Petroleum Angola Block 31 Limited (10 per cent) and TEPA (BLOCK 31) LIMITED, (a subsidiary of the Total Group) with 5 per cent.