1. Unconventional Natural Gas Institute, China University of Petroleum-Beijing, Beijing, China
2. Texas Tech University, Lubbock, TX, USA
3. Oil & Gas Technology Research Institute, Changqing Oilfield Company, Xi’an, China
4. China University of Petroleum-Beijing at Karamay, Xinjiang, China
5. CNODC Brasil Petroleo E Gas Ltda, Rio de Janeiro, RJ, Brazil