Application of NSO compounds in the research of hydrocarbon migration direction in the Wangjiagang area of the Dongying sagin the Bohai Bay BasinZicheng Niu, Zheng Li, Xiuhong Wang, Huiping Liu, Juan Wang, Xuan Liu and Ru WangE3S Web Conf., 245 (2021) 03085DOI: https://doi.org/10.1051/e3sconf/202124503085