1. Key Laboratory for Unconventional Oil and Gas Exploration and Development of Shandong Province, Dongying 257022, Shandong, China
2. Key Laboratory of Shale Oil and Gas Exploration & Production, SINOPEC, Dongying 257022, Shandong, China
3. Research Institute of Petroleum Exploration and Development of Shengli Oilfield Branch Company, SINOPEC, Dongying 257022, Shandong, China