1. Vice President, Operations, Oil and Gas, SNC-Lavalin Arabia, LLC, 1101 NSH Tower, Khobar-Dammam Highway, Al-Khobar 31952, Saudi Arabia.
2. Distinguished University Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, 5-080, Markin/CNRL Natural Resources Engineering Facility, Edmonton, AB, Canada T6G 2W2 (corresponding author).