LNG

July 17 (LNGJ) - Chevron Corp. signed an agreement with affiliates of the Argentine oil company YPF that furthers the development of shale gas and oil from the Vaca Muerta formation located, one of the biggest in South America. The agreement calls for initial outlays of about $1.24 billion. initial program will include the drilling of 100 wells in a 5,000-acre tract, part of a 96,000-acre concession.