Mr. Peter Bartok is an adjunct professor of geology at the University of Houston, instructor at Petroskills and a Petroleum E&P Consultant with research interests in unconventional shale resources, complex salt tectonics, rock physics and rock mechanics. He has worked for large oil companies, At BP he was the Latin America project manager and at Texaco chief offshore USA. He has evaluated prospects in over 40 basins of the world (North America, Latin America, Europe, China and West Africa) and defined the exploration techniques leading to major discoveries in Venezuela, Angola and Guatemala