Yuegang Li1,2, Wen Xu1,2, Feng Xiao1, Lili Liu1,2, Shixin Liu2,3, Wei Zhang1,2
1Sulige Gas Field Research Center, PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018, China
2State Engineering Laboratory of Low-Permeability Oil & Gas Reservoir Exploration and Development, Xi'an, Shaanxi 710018, China
3Sulige Oilfield Development Division, PetroChina Changqing Oilfield Company, Ordos, Inner Mongolia 017300, China