地层不整合遮挡油气藏地质储量计算新方法及其应用 - 地球科学与环境.PDF

第33 卷 第2 期 地球科学与环境学报 Vol.33 No.2 2011 年6 月 Journal of Earth Sciences and Environment Jun.2011 袁　丽 (, 2 6 04) :, , 、 、, , 。 , , ; , , 。 424 424-1 。 :。 :;;;; :P618.13;TE122　:A 　:1672-6 61(2011)02-0163-0 NewEquation for Calculating GeologicReserves of Stratigraphic Unconformity ScreenedReservoir and Its Application YUAN Li (Chunliang Oil Production F actory, Sheng li Oilf ield B ranch Company, China Petroleum and Chemical Corp oration, Boxing 2 6 04, Shandong, China) Abstract:Based on the view of geomet ry, the new method with the product of unit reserve factor, cross sectional area and length of transverse distribution of reservoir w as developed from the traditional volumetric method w ith the product of unit reserve factor, oil-bearing area and thickness of reservoir, the new equation for calculating geologic reserves of stratigraphic unconformity screened reservoir w as discussed, and the prediction formula for calculating the thickness of reservoir in horizontal w ell was analyzed according to the characteristic of reservoir.The volumetric method, which w as complicated, w as used to calculate geologic reserves of stratigraphic unconformity screened reservoir, and there w ere too many uncertain factors;the new method improved was simple for calculation and strong for theoretical property, and the number of uncertain factor decreased significantly.The new method improved had application in Gao424-1 District of Block Gao424, Gaoqing Oilfield.The results show ed that the new method improved w as applicable to the calculation of geologic reserves of stratigraphic unconformity screened reservoir