PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083 China;
PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083 China;
PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083 China;
PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083 China;
production prediction; ultra-high water cut; machine learning; Long Short-Term Memory; artificial intelligence;