PetroChina Dagang Oilfield Company;
Tianjin 300280;
China;
Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education;
China University of Geosciences(Wuhan);
Wuhan 430074;
China;
School of Earth Sciences;
China University of Geosciences(Wuhan);
Wuhan 430074;
China;
Paleogene Kongdian Formation; magmatic hydrothermal fluid; zeolite; Zaoyuan oilfield; Cangdong Sag; Huanghua Depression; Bohai Bay Basin;