Brazilian oil company Petrobras has started drilling at the Peroba block in the pre-salt layer of the Santos Basin.The Peroba block is located 300 km off the coast of the state of Rio de Janeiro, south of the Lula field and east of the Sapinhoá field.The location near these fields, which are among the most productive of the pre-salt, indicates the high potential of the area, Petrobras has said. The water depth is between 2,100 m and 2,600 m and the total area is 1,073.41 km².Petrobras is the operator (40%), in partnership with BP Energy do Brasil Ltda. (40%) and with CNODC Brasil Petróleo e Gás Ltda. (20%), a subsidiary of CNPC.
Chelsea defender Tomas Kalas has signed a new three-year contract, the club have announced.Kalas re-joined Middlesbrough on a season-long loan last week after making 17 league appearances for the Championship side last season.The 22-year-old defender moved to Chelsea in January 2011 from home town club Sigma Olomouc in the Czech Republic and has also spent time on loan at Vitesse Arnhem and FC Cologne.Kalas was handed his Chelsea league debut in April 2014 but has made only four first team appearances for the Blues. Tomas Kalas blocks Max Meyer’s strike 1