Bloomberg Kazakhstan’s giant Kashagan oil field has taken 16 years and more than $50 billion to bring to the verge of production. It could take another decade to reach its potential, with initial output at half the forecast level. Eni SpA, working with partners Royal Dutch Shell Plc, Total SA and the Kazakh state, expects Kashagan to start in …

  Bloomberg Global Infrastructure Partners agreed to buy a 20 percent stake in Spain’s Gas Natural SDG SA for 3.8 billion euros ($4.3 billion) from shareholders Repsol SA and Criteria Caixa. Repsol, Spain’s biggest oil company, and Criteria each sold 10 percent stakes in the natural gas distributor for 19 euros a share, according to a statement from Madrid-based Repsol …

  TEHRAN / AP Iran’s powerful Revolutionary Guard on Tuesday unveiled a new high-speed vessel the force says is capable of carrying a helicopter and up to 100 people, Iranian state TV reported. The report follows a series of close encounters between American warships and Guard vessels in the Persian Gulf. The TV showed a catamaran-type ship described as 55 …