Double torsion fracture mechanics testing of shales under chemically reactive conditions

Xiaofeng Chen1, Owen A Callahan1, Jon T Holder1, Jon E Olson2 and Peter Eichhubl3, (1)University of Texas at Austin, Austin, TX, United States, (2)University of Texas at Austin, Dept. of Petroleum and Geosystems Engineering,, Austin, TX, United States, (3)University of Texas at Austin, Bureau of Economic Geology, Austin, TX, United States