根据大量岩心资料,通过地质多元统计分析,将影响砂岩储层的地质因素,包括沉积相、骨架颗粒成分、成岩作用及埋藏史等量化为沉积学参数,并研究这些参数与孔隙度的关系,从而建立了砂岩储层孔隙度预测公式.用该公式对辽东湾及埕岛地区深部地层孔隙度进行了预测,误差一般小于2%. According to a large number of core data, through geological multivariate statistical analysis, the geological factors that affect the sandstone reservoir, including sedimentary facies, skeleton grain composition, diagenesis and burial history, are quantified as sedimentary parameters and the relationship between these parameters and porosity is studied. The porosity prediction formula of sandstone reservoir was established, and the porosity of deep formation in Liaodong Bay and Chengdao Island was predicted by this formula, the error is generally less than 2%.