Petrobras: Proven presalt reserves up 43% in 2013


Petrobras reports that its proven presalt reserves are up 43% in 2013 compared to 2012. Since 2007, the company has been adding increasing amounts to its proven reserves coming from the presalt layer, which extends from the south of the state of Espírito Santo to the state of Santa Catarina.

Currently, more than a quarter of the proven Petrobras reserves come from the presalt. Last year, 42 wells were drilled in the presalt layer, coupled with the outstanding performance of the production platforms in the Campos and Santos basins, so allowing reserves to increase by 43%.

Along with the increase in reserves, production has also increased in the presalt layer. On Jan. 13, a second production well, with a production of 28,000 barrels of oil per day, on the Cidade de Paraty platform, came on stream in the Lula field. This platform now produces a total of 58,000 barrels of oil per day. As a result, a new daily record was reached on Jan.14, where oil production from Petrobras operations in the presalt surpassed the level of 390,000 barrels of oil per day. The previous record was set on Dec. 24, 2013, with 371,000 barrels of oil per day.

Of the two basins in production in the presalt, Campos and Santos, the latter contributed 51% to this record of 390,000 barrels of oil per day, with nine production wells in operation, proving the high productivity of the fields discovered in presalt layer. Average production per well, in commercial operation, in the presalt Santos Basin hub has been around 25,000 barrels of oil per well per day, which is higher than levels recorded in the North Sea (15,000 barrels of oil per well per day) and the Gulf of Mexico (10,000 barrels of oil per well per day)

In 2014, 17 new wells will be connected to platforms already installed in the presalt Santos Basin hub. In the second half of 2014, two new platforms will come on stream in the presalt hub in the Santos Basin: the Cidade de Ilhabela platform in the Sapinhoá Norte field, and the Cidade de Mangaratiba platform in the Iracema Sul field will increase daily production capacity by 300,000 barrels of oil per day in the presalt hub in the Santos Basin. These two new platforms will be connected to another five new wells in 2014.

Petrobras says that, with the two new platforms (Cidade de Ilhabela and Cidade de Mangaratiba) coming on stream and 22 new production wells in 2014 coming on stream, they will contribute to the company reaching a new presalt production record this year. 


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