Marine Technology Reporter Blogs - reserves

Angola Pre-salt Development

July 31, 2013

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Few people acknowledge this but the exploratory campaign that led to the 2006 discovery by Petrobras of the Tupi (renamed Lula) field, at the Santos Basin in Brazil was partially triggered by early pre-salt finds in West Africa and the knowledge that the petroleum systems on both sides of the South Atlantic were similar. With the experience gained from drilling Lula and other subsequent pre-salt discoveries in Brazil, interest returned to the pre-salt in Angola’s conjugate Kwanza-Benguela and Namibe Basins. The common origin of the reservoirs and similar tectonics increased the belief that similar plays should exist in Angola. The Santos Basins is a major hydrocarbon basin along Brazil’s Atlantic coast.

Brazil’s O&G Market - mid 2013 Review

June 18, 2013

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Brazil is the largest country in South America and its oil and natural gas markets have expanded massively in recent years, causing the resurrection of its shipbuilding industry as a bonus. The challenging deepwater development projects have high priority in investments both is subsea technology for deepwater field development and onshore and offshore logistics infrastructure. In recent years Brazil has experienced rapid growth in the petroleum sector. O&G production went from 1.5 million barrels per day in 2001 to 2.4 million b/d in 2010. Offshore production accounted for almost 90% of this figure in 2010. Yet there have also been large onshore natural gas discoveries…

A Monster Named Libra

June 18, 2013

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Back in 2009 I asked a good friend of my late father, who happened to be a long time Petrobras geologist, if he really knew the full potential of the pre-salt, after a while he looked up and said no not really, I know there are big fields out there, probably up to 10 billion boe in some reservoirs, possibly much more... Well, Petrobras kept on drilling and when Libra was found northeast of the Lula field (5 to 8 billion barrels boe), in 2010, the expectations ran high. Maybe 3.7 billion boe, maybe 15 billion boe. Probably 7.9, those are the numbers the ANP had in 2010. By May 2011 the ANP was downgrading it to 5 billion barrels boe.

New Pre-salt Discovery has 4,5 billion barrels of Recoverable Light Oil

September 27, 2010

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This new ANP discovery is the 2nd largest pre-salt discovery to date in Brazil and highlights the excellent potential of the Brazilian pre-salt.The ultra deepwater well (2-ANP-1-RJS ) was drilled at an area which has been named Franco, it lies 2.189 meters deep and the 4,5 billion barrels of light oil are of around 30º API. The well is located 195km from Rio de Janeiro and 41 km from the Iara pre-salt field, which has a recoverable oil potential of 3 to 4 billion barrels. Both are located at the Santos Basin. The Tupi field, also at the Santos Basin is still the largest discovery to date in Brazil, will a recoverable oil potential of 5 to 8 billion barrels.

New Well Confirms Tupi´s Potential Recoverable Oil Reserves

May 7, 2010

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New discovery at the Tupi field confirms Tupi potential and another new discovery in an ANP block, to be included in onerous concession contract with Petrobras.In early April 2010 Petrobras Petróleo Brasileiro S.A. announced that it finalized the drilling of another well in the Tupi field which confirms the potential of the pre-salt reservoirs in that field. The new well, 3-BRSA-795-RJS (3-RJS-666), and informally known as Tupi OW, is located in the area of the Tupi Evaluation Plan, at a depth of 2,131 meters, nearly 270 km of the coast of Rio de Janeiro, and 12.5 km northeast of the discovery well, 1-RJS-628 (1-BRSA-369), known as Tupi.
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