The winning bidder will provide up to 2.2Mm3/d from October 1 to December 31 for Âmbar's 480MW Cuiabá thermoelectric plant.
Anti-graft agency SFP has initiated preliminary sanctions amid ongoing investigations into the Miguel Hidalgo refinery contract with state-run oil company Pemex.
Authorities seek to expand geological knowledge across the Neuquén and Cuyana basins.
Officials from Venezuela, Saudi Arabia, the United Arab Emirates and Kazakhstan have agreed to "promote actions" designed to jump-start the global oil sector, according to Venezuelan state energy company PDVSA.
Brazil's state-run oil giant says companies now have until September 29 to sign confidentiality agreements needed to access legal, financial and technical data.
The subsidiary of US firm Sempra Energy goes from strength to strength, and is looking to increase its presence through M&As.