Hundreds of workers on Norwegian offshore oil and gas rigs went on strike on Tuesday after rejecting a proposed wage deal, leading to the shutdown of one Shell-operated field and helping send Brent crude prices higher. One union said hundreds more workers would join the strike on Sunday if an agreement over union demands for a wage increase and pension rights was not reached. Royal Dutch Shell said that due to the strike it was temporarily closing production at its Knarr field, which has a daily output of 23,900 barrels of mostly oil, but also natural gas liquids and natural gas. Shutting the field, whose owners are Idemitsu, Wintershall [WINT.UL] and DEA, could take up […]