State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing) Beijing 102249 ChinaDepartment of Chemical and Petroleum Engineering University of Calgary Calgary T2N 1N4 Canada;
State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing) Beijing 102249 China;
Research Institute of Exploration and Development PetroChina Xinjiang Oilfield Company Karamay 834000 China;
Department of Chemical and Petroleum Engineering University of Calgary Calgary T2N 1N4 Canada;
conglomerate reservoir; pore structure; surfactant/polymer flooding; displacement effect; oil recovery enhancement;