[1
]National Energy Technology Laboratory, Pittsburgh, Pennsylvania 15129, United States
[2
]ConocoPhillips, Anchorage, Alaska 99501, United States
[3
]US Geological Survey, Denver, Colorado 80225, United States
[4
]Japan Oil, Gas and Metals National Corporation, Chiba 261-0025, Japan
[5
]Pacific Northwest National Laboratory, Richland, Washington 99354, United States
[6
]West Virginia University, Morgantown, West Virginia 26506, United States