1.Xi’an Center of Mineral Resources Survey, China Geological Survey, Xi’an Shaanxi 710100, China;2.Technology Innovation Center for Gold Ore Exploration, China Geological Survey, Xi’an Shaanxi 710100, China;3.Technology Innovation Center of Green Drilling, China Geological Survey, Beijing 100083, China;4.No.4 Gas Production Plant of Changqing Oilfield Company, PetroChina, Ordos Inner Mongolia 017300, China
P634
