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;
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;
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;
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;
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;
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;
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;
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;
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;
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;