The former Molopo Energy boss Stephen Mitchell and former Eastern Star Gas chief David Caseys’ latest venture is to test the Uruguayan nation’s onshore shale potential. So far it is off to a promising start as it’s at the forefront of efforts to test at this point. Yesterday Petrel Energy confirmed the existence of oil generation from drilling on its ground in the South American nation’s Norte Basin. The chief executive who is also the biggest shareholder of the company with a 9.2% stake, Mr Casey,…