The development stages:Seismic/2013-01.Operated by President Energy, the Demattei block covers an area of 799,998ha and is located in the Pirity basin, near Argentina's Olmedo basin. In 2012, President Energy acquired a 60% stake from Crescent Global Oil, which retained the remaining 40%. Blocks Pirity and Demattei have a gross risked recoverable resource potential of greater than 150Mb. In 2013, President Energy acquired 780 square kilometers of 3D and 100km of 2D seismic testing over high-graded areas of the Pirity and Demattei concessions. The first drilling campaign started in 2014.