Petrobras completes first Libra well

Petrobras completed the first well in the Santos Basin’s Libra pre-salt field last week, with the anticipation of starting production next year, connected to the Pioneiro de Libra floating production and storage offloading (FPSO) unit.

The West Carina, from Seadrill.

The 3-RJS-739A well, known as NW3, is in the northwest sector of the Libra block, some 187km off the coast of Rio de Janeiro and about 5.3km south of discovery well 2-ANP-2A-RJS, in 1951m water depth.

The well, drilled by the West Carina ultra deepwater rig, is now fully fitted out and ready to produce oil and natural gas, Petrobras said.

The NW3 has been fitted with an intelligent dual-zone system to facilitate real-time control and production monitoring. It will start production in 2017, connected to the Pioneiro de Libra FPSO, during the first Libra extended well test.

In June, Petrobras announced its seventh and largest net pay from the Libra block at well 3-BRSA-1339A-RJS (NW2), with a discovery consisting of good-quality 27º API oil.

In March, Petrobras confirmed its biggest oil column discovery at Libra at well 3-BRSA-1322-RJS (3-RJS-741), confirming the discovery of good quality oil (28ºAPI) in reservoirs with excellent productivity.

The Libra Consortium is operated by Petrobras with 40% interest. Partners include Shell (20%), Total (20%), CNPC (10%), and CNOOC (10%). The production sharing contract is managed by state-owned Pré-Sal Petróleo S.A. (PPSA).

Read more:

Preparing for pre-salt

Petrobras scores again at Libra

Libra's exploration challenges

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