PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Qinghai Oilfield Company Dunhuang 736202 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Qinghai Oilfield Company Dunhuang 736202 China;
PetroChina Qinghai Oilfield Company Dunhuang 736202 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;