判断油层水淹程度的方法研究  

Study on the Method to Determine the Severity of Watered-Out Oil Layers

作　　者：孙永兴[1] 林元华[1] 胡俊[1] 施太和[1] 

机构地区：[1]西南石油学院石油管力学和环境行为重点实验室,四川成都610500

出　　处：《石油钻探技术》2003年第6期48-50,共3页Petroleum Drilling Techniques

摘　　要：通过对自然电位曲线影响因素进行校正和对声波孔隙度进行压实校正,利用校正后的测井资料求出地层混合水电阻率Rwz、泥质含量Vsh、孔隙度Φ后,推算出了驱油效率η的数学公式,结合井的实际情况,编制成高含水期油田水淹层评价解释的软件系统。在某油田高含水期阶段水淹评价解释中的应用表明,驱油效率法的解释效果较好。The factors affected the SP curve and sonic porosity for its compressions have been corrected, with which the resistivity of mixtures of formation water and injection water (Rwz), the volume fraction formations consisting shale (Vsh) and the porosity (ф) are determined. As a result, the formula of oil displacement efficiency η is obtained to calculate waterflood. The software to interpret wateredout severity at high watercut stage has been programmed. The research is used in an oilfield at high watercut stage, the results agree with well test data to a certain degree. 

关 键 词：水淹层 驱油效率 高含水期 含水饱和度 含油饱和度 电阻率 测井解释 数学模型 

分 类 号：TE357.6[石油与天然气工程—油气田开发工程] TE357.8