[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
[2]BaiLie School of Petroleum Engineering;
Lanzhou City University;
Lanzhou 730070;
China;
[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
[3]School of Earth Sciences and Engineering;
Xi’an Shiyou University;
Xi’an 710065;
China;
[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
[1]Research Institute of Exploration and Development;
Changqing Oilfield Company;
CNPC;
Xi’an 710018;
China;
Ordos Basin; Triassic Yanchang Formation; Chang 9 Member; source rock; driving force of migration; migration and accumulation mode; reservoir accumulation mode; enrichment law;