Ultra-deep reservoir comprehensive prediction in Yingmaili Area
LI Bin1, SU Zhou1,2, SUN Qi1, GAO Dengkuan1, YANG Xinying1, LIU Bo1
1. Research Institute of Petroleum Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China; 2. College of Geophysics and Petroleum Resources, Yangtze University, Wuhan, Hubei 430100, China
Abstract：This paper expounds the development model of sand body of the Cretaceous Baxigai Formation in Yingmaili,Tabei uplift,and proposes a thin re-servoir prediction approach.First the distribution characteristics of thin sands are identified with seismic forward modeling,seismic inversion,and sensitive attributes.Then,hydrocarbon detection methods are applied to determine oil and gas accumulation zones.The latter drilling results verify the correctness of our prediction.The coincidence rate of prediction is as high as 85%.Our research has totally changed the geological understanding of the area.Thin reservoirs belong to the delta subaqueous distributary channel deposition mode,and their source came from the east.They are lithologic reservoirs controlled by structures.The research provides a solid foundation for the future exploration and development.
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