- Pi Epsilon Tau Kappa Chapter, The University of Texas at Austin The Petroleum Engineering Honor Society Go to New Web Page This is Pi Epsilon Tau's home page. The goal of this page is to provide a one stop information source for information on Pi Epsilon Tau's Kappa Chapter at UT-Austin. Petroleum Engineering's honor society, Pi Epsilon Tau, was founded at the University of Oklahoma in 1947.www.pe.utexas.edu/Dept/Org/Students/PET/pet.html