ExplorationBrazil adds 218 blocks in equatorial margin to permanent bid round schemeDecision includes over 90,000 square kilometres of new acreage across five basinsBuilding blocks: director general Rodolfo Saboia will see ANP host the first auction featuring pre-salt areas under production sharing contracts in the open-door mechanism.Photo: BRAZIL GOVERNMENTFabio PalmigianiRio de Janeiro