Fall 2014
Terry Engelder
Professor, Department of Geosciences
Wednesday, September 10, 2014


Natural fractures in gas shale:  What causes them?

This talk will be a review of 35+ years of research on fracture development in the Appalachian Basin. The objective is to explain why fractures are critical to the success of the Marcellus gas shale play.


Terry Engelder (degrees from Penn State, Yale, Texas A&M) is currently a professor of geosciences at Penn State and has previously served on the staff of the U.S. Geological Survey, Texaco, and Lamont-Doherty Earth Observatory. He has written 160 research papers, many focused on fracture in Devonian rocks of the Appalachian Basin, and a book, Stress Regimes in the Lithosphere.