Petrobras has broken a new domestic record for exploratory drilling by reaching a water depth of 2,990 meters (9,810 feet, or 1.86 miles). This was achieved in February while drilling a well in the Moita Bonita area of Sergipe-Alagoas Basin, 92 km (57 miles) from the city of Aracaju.
Only six exploration wells across the world have exceeded this depth. Of the 50 deepest wells in the world, Petrobras has drilled 15 (30%) of them.
The deepwater discoveries made in Sergipe-Alagoas Basin since 2010 have revealed a new extremely promising exploration frontier. The drill-stem test, conducted in 2012, confirmed the presence of 41º API oil (light, high-quality crude) and good reservoir productivity.
Eight wells in the region are more than 2,700 meters (8,858 feet) deep, all drilled within a period of three years. Petrobras noted that this is an achievement especially given the adverse local drilling conditions with intense ocean currents, deep water and the need to use more robust drilling equipment such as blowout preventers.