1. Department of Geology; University of Regina; Regina Saskatchewan Canada
2. China University of Geosciences (Beijing); Beijing China
3. Daqing Oilfield Exploration and Development Research Institute; Daqing Heilongjiang China
4. Central-South University; Changsha Hunan China
5. Energy Division; Saskatchewan Research Council; Regina Saskatchewan Canada
6. Chengdu University of Technology; Chengdu Sichuan China
7. Chang'An University; Xi'An Shaanxi China