Research Institute of Petroleum Exploration&Development PetroChina Beijing 100083 China;
Xinjiang Oilfield Company PetroChina Karamay 834000 China;
Research Institute of Petroleum Exploration&Development PetroChina Beijing 100083 China;
Research Institute of Petroleum Exploration&Development PetroChina Beijing 100083 China;
Research Institute of Petroleum Exploration&Development PetroChina Beijing 100083 China;
PetroChina Hangzhou Research Institute of Geology Hangzhou 310023 China;
Junggar Basin; natural gas exploration; Carboniferous volcanic rocks; southern margin Lower combination; Central Depression;