Petrobras has launched the binding phase of the sale of offshore upstream oil and gas assets in the Espírito Santo Basin, Brazil’s state-owned energy firm said on Monday. At the beginning of July, Petrobras said it was putting up for sale two operating shallow-water offshore gas fields and a deepwater oil exploration concession in the Espírito Santo Basin, as part of efforts to optimize its portfolio and improve capital allocation. etrobras launched last month the opportunity disclosure stage—the so-called…