College of Geosciences China University of Petroleum Beijing 102249 ChinaResearch Institute of Exploration and Development Southwest Oil&Gas Field Branch Company PetroChina Chengdu 610041 China;
Research Institute of Exploration and Development Southwest Oil&Gas Field Branch Company PetroChina Chengdu 610041 China;
Research Institute of Exploration and Development Southwest Oil&Gas Field Branch Company PetroChina Chengdu 610041 China;
College of Geosciences China University of Petroleum Beijing 102249 China;
Research Institute of Exploration and Development Southwest Oil&Gas Field Branch Company PetroChina Chengdu 610041 China;
Exploration Division of PetroChina Southwest Oil&Gas Field Company Chengdu 610041 China;
Research Institute of Exploration and Development Southwest Oil&Gas Field Branch Company PetroChina Chengdu 610041 China;
Northwestern Camp in Sichuan Southwestern Oil&Gas field Branch Company PetroChina Jiangyou 621709 China;
Sichuan Basin; Permian Maokou Formation; volcanic rocks; Dongwu movement; karst paleogeomorphology;