PetroChina Research Institute of Petroleum Exploration and Development Beijing 100083 China School of Geological Sciences University College Dublin Dublin 4 Ireland National Energy Shale Gas Research(Experiment)Center Langfang 065CX)7 Hebei Province China CNPC Key Laboratory of Unconventional Oil and Gas Langfang 065007 Hebei Province China;
PetroChina Research Institute of Petroleum Exploration and Development Beijing 100083 China National Energy Shale Gas Research(Experiment)Center Langfang 065CX)7 Hebei Province China CNPC Key Laboratory of Unconventional Oil and Gas Langfang 065007 Hebei Province China;
Thickening-upward cycle; Deep-marine turbidite; Deep-lacustrine turbidite; Yangchang Formation; Ordos Basin; Kilbaha Bay;