风城油田重37井区齐二段储层四性关系研究

Study on Four-property Relationship of the Second Section of Qigu Formation In Zhong-37 Wellblock, Fengcheng Oilfield

通过分析岩心、测井及分析化验等资料,对风城油田重37井区齐二段储层四性关系进行研究,明确了该区储层岩性、电性、物性及含油性之间的关系特征。研究结果表明齐二段储层岩性以中细砂岩为主、其次为含砾砂岩。该区储层具有高孔高渗的特点,物性越好含油级别越高。通过建立各储层参数测井解释模型并结合试油资料,确定了储层物性下限标准:电阻率≥16Ω?m,孔隙度≥26%,含油饱和度≥50%。为储层精细刻画评价奠定坚实基础,为指导生产调控提供依据,对提高油田生产效果具有重要的指导意义。

Through analysis of core, log and analysis of test data, the four-property relationship of the second section of Qigu formation in Zhong-37 wellblock of Fengcheng oilfield was studied, and the relationship of the reservoir lithology, physical property, electric property and oil bearing was determined. The results show that reservoir lithology of the second section of Qigu formation is mainly composed of fine sandstone and conglomeratic sandstone. The reservoir has the characteristics of high porosity and high permeability;the better the physical properties, the higher the oil level. Through the establishment of various reservoir parameters log interpretation models,combined with test data, the reservoir physical property lower limit standard was determined as follows： RT≥ 16Ω·m,Φ≥26%, SO≥ 50%.The study lays solid foundation for the evaluation of fine reservoir characterization, provides the basis for the production guidance control and has an important guiding significance to improve the effect of oil field production.