琼东南盆地深水区超压演化与油气运移模拟_翟普强.pdf

44 10 () Vol.44 No.10 2013 10 Journal of Central South University (Science and Technology) Oct. 2013 1, 2 1 3 3 3 (1. () 430074 2. () 510240 3. () 524057) 2D 10.5 Ma 3 3.5 ; ; ; ; P618.13 TE122 A 1672−7207(2013)10−4187−15 Modelling of evolution of overpressure system and hydrocarbon migration in deepwater area of Qiongdongnan basin, South China Sea 1, 2 1 3 3 3 ZHAI Puqiang , CHEN Honghan , XIE Yuhong , WANG Zhenfeng , TONG Chuanxin (1. Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan 430074, China; 2. Shenzhen Branch, China National Offshore Oil Corporation Limited, Guangzhou 510240, China; 3. Zhanjiang Branch, China National Offshore Oil Corporation Limited, Zhanjiang 524057, China) Abstract: The evolution of overpressure system and its coupling relationship with hydrocarbon accumulation in the deepwater area of Qiongdongnan basin were studied based on 2D basin modeling. The results show that overpressure system in the central depression has already developed during the Yacheng period and consisted of an eastern subsystem and a western subsy