The government of President Nicolás Maduro blamed the outage on an "act of sabotage" at the Guri hydroelectric plant in the southern state of Bolívar, which supplies around 70% of Venezuela's electricity.
New drilling campaigns are due to start in the Recôncavo and Sergipe-Alagoas basin, in the Northeast of the country.
Cade approved the sale of the Pasadena refinery to the US oil firm and BW Offshore's purchase of the Maromba field.
This year there have been 14 attacks against the oil infrastructure in Colombia
One of the first targets will be the Uirapuru block in the Santos basin pre-salt region.