1. Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum [East China])Ministry of Education Qingdao China
2. Department of PhysicsUniversity of Alberta Edmonton, Alberta Canada
3. School of Petroleum EngineeringChina University of Petroleum (East China) Qingdao China
4. Department of Earth SciencesWestern University London, Ontario Canada
5. Department of Earth SciencesUniversity College London London UK