HIGH RESOLUTION SEQUENCE DIVISION OF DONGYING DELTA AND PREDICTION OF TURBIDITE SAND DODIES
FANG Yong1, DENG Hong-wen2, HAO Xue-feng3, CHEN Di3, CHAO Jing3
1. Petroleum University, Beijing 102249, China;
2. China University of Geosciences, Beijing 100083, China;
3. Shengli Oil Field Limited Corporation, Dongying 257200, China
The turbidite sandbody lithologic trap developed in Dongying delta is a key exploration target in Es3 of the Shengli Oilfield. Oil reserves discovered in lithologic reservoirs are more than 10 million tons per year in recent years. Applying the theory and method of high resolution sequence stratigraphy, this paper has divided and correlated base-level circles on the basis of various delta base-level circle interfaces identified through well drilling and/or well logging as well as seismic data. The distribution of turbidite sand bodies and Dongying delta base-level circles are also discussed. All this provides scientific basis for further exploration of lithologic reservoirs.
