Exploration and Development Research Institute of PetroChina Changqing Oilfield Company Xi'an 710018 China;
National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Fields Xi'an 710018 China;
PetroChina Changqing Oilfield Company Xi'an 710018 China;
Exploration and Development Research Institute of PetroChina Changqing Oilfield Company Xi'an 710018 China;
National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Fields Xi'an 710018 China;
Changqing Branch China Petroleum Logging Co. Ltd. Xi'an 710201 China;
Technology Center China Petroleum Logging Co. Ltd. Xi'an 710077 China;
Changqing Branch China Petroleum Logging Co. Ltd. Xi'an 710201 China;