This Museum, for its span, is among the three bigger than the world, next to those of Russia and in USA ( Texas ). Inaugurated in 1987 by YPF, San Juan depends on the National University of the Patagonia Bosco. In the entrance it sees the monolith of the historical Well N4 2, in which petroleum sprouted in 1907. There are machineries, vehicles and auditory. In central building, in an old recycled galpón, pleasant sample of as much as one knows as regards petroleum: the room «tunnel of the time» Bang begins with the theory of the Big; it follows a thematic series on formation of the petroleum.
Other rooms with pictures, apparatuses, numerous explanatory scale models of: exploration, perforation, production, support and administration. Everything of superior level museístico.