1. Formerly at University of Utah, Department of Geology and Geophysics, Salt Lake City, Utah, U.S.A., presently at King Abdullah University of Science and Technology, Division of Physical Science and Technology, Thuwal, Saudi Arabia. .
2. Formerly at ConocoPhillips, Subsurface Technology, Houston, Texas, U.S.A., presently at ConocoPhillips, Aberdeen, U. K. .
3. Formerly at University of Utah, Department of Geology and Geophysics, Salt Lake City, Utah, U.S.A., presently at Chevron, Houston, Texas, U.S.A. .