Petrobras announces that the Libra Consortium has drilled and tested the first appraisal well in the Libra area, 3-BRSA-1255-RJS (3-RJS-731), known as NW1. Located in the Northwest portion of the Libra block, which sits in the Santos Basin pre-salt, the well is approximately 4 km southeast of the discovery well 2-ANP-2A-RJS, and 185 km off the Rio de Janeiro coast.