CAJ | 학술논문

克拉玛依油田砾岩油藏储集层岩性复杂、非均质性强、注入水矿化度变化大,水淹层定量解释较困难.通过多元回归建立分岩性的饱和度模型以及产水率、水洗指数等解释模型,结合地层电阻率变化特征,能够有效地提高水淹层测井解释的精度,满足实际应用要求.
극랍마의유전력암유장저집층암성복잡、비균질성강、주입수광화도변화대,수엄층정량해석교곤난.통과다원회귀건립분암성적포화도모형이급산수솔、수세지수등해석모형,결합지층전조솔변화특정,능구유효지제고수엄층측정해석적정도,만족실제응용요구.
The conglomerate reservoir in Karamay oil field is characterized by complicated lithology, serious heterogeneity, varied salinity of injected water, which result in difficulty of quantitative interpretation of watered-out zones in it. This paper develops the models for lithology-based oil saturation, water cut and watered-out index by multivariate regression analysis. In combination with variation of the formation resistivity, the accuracy of well log interpretation of the watered-out zones can be effectively improved, thus meeting the demand of actural application of this technique.