Affiliation: | aU.S. Department of Energy, National Energy Technology Laboratory, 3610 Collins Ferry Road, Morgantown, WV 26507, USA;bSchlumberger Reservoir Seismic Services, Houston, TX, USA;cU.S. Geological Survey, Denver, CO, USA;dChevron North America Exploration and Production Company, Houston, TX, USA;eLamont-Doherty Earth Observatory, Columbia University, New York, NY, USA;fLawrence Berkeley National Laboratory, Berkeley, CA, USA |