Libra extension well confirms 200-m oil column

Results from an extension well drilled by the Petroleo Brasileiro SA (Petrobras)-operated Libra consortium confirmed the presence a 200-m oil column with good reservoir permeability and porosity.

Well 3-BRSA-1267-RJS, also known as C1, is in the central portion of the 1,550-sq-km Libra block in the Santos basin, about 220 km offshore Rio de Janeiro. The well was drilled to a total depth of 5,780 m in 2,160 m of water.

This is the second successful well recently drilled by the block’s consortium. Well 3-RJS-731, 18 km from 3-BRSA-1267-RJS, previously confirmed a 290-m oil column with samples of 27° gravity (OGJ Online, Nov. 25, 2014).

The consortium, operated by Petrobras with 40% interest, will continue its exploratory plan by drilling additional wells to evaluate Libra. Partners are Royal Dutch Shell PLC with 20%, Total SA 20%, China National Petroleum Corp. 10%, and CNOOC Ltd. 10%. Brazilian state-owned Pre-Sal Petroleo SA manages the contract.

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