ExplorationHeavyweights pitch in for latest Brazilian acreageTotal leads team most willing to splash the cash but others prove keen to join inBig catch: Total, Petronas and Qatar Petroleum International splashed out in Brazil’s 16th licensing round with a near $1 billion bonus to land Campos basin Block C-M-541, which contains the potentially-huge Nemo prospectFoto: RYTIS DAUKANTAS/UPSTREAMFabio PalmigianiRio de Janeiro