1. School of Geosciences and Technology, Southwest Petroleum University, Chengdu, China
2. School of Geoscience and Technology, State Key Laboratory of Oil and Gas ReservoirGeology and Exploitation, SouthwestPetroleum University, Chengdu, China
3. PetroChina Southwest Oil and Gesfield Company, Chengdu, China
4. Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province, Shaoxing University, Shaoxing, China