Petrobras, the Brazilian oil giant, has announced that its Argentine unit has discovered a new natural gas reservoir in the southwestern province of Nuequén,130 km from the provincial capital, in the El Mangrullo area near the cities of Plaza Huincul and Cutral Co. The company attributes the achievement of the discovery to the continual collection of data from wells drilled in that area and the constant re-analisation of both seismic and geological data. As well as using the expertise and methodology used…