水驱油田采出程度计算及措施效果评价  

CALCULATION OF WATER DRIVE RECOVERY FACTOR AND ITS USE IN EVALUATING GSTIMULATION TREATMENT

作　　者：吴湛[1] 彭鹏商[1] 

机构地区：[1]西南石油学院,中原石油勘探局勘探开发研究院

出　　处：《石油学报》1994年第1期76-82,共7页Acta Petrolei Sinica

摘　　要：运用优化理论，结合油水两相渗流基本规律，对水驱油田最终采出程度进行了计算。该法运用实验测定的比较准确的相对渗透率曲线端点值，不需要假定油水相对渗透率呈某一特定函数关系，而用计算和实测累积产水量数据建立目标函数，就可以计算最终采出程度。计算表明，随着含水率不断增高，累积产水量的对数与采出程度之间就不再呈直线关系；即使采取一些增产措施，使累积产水量统计数据偏离直线，也能对最终采出程度进行计算，对不同的开发阶段进行措施效果评价。The final recovery efficiency of water drive is calculated with optimization theory and equations of displacement;In the calculation more precise values of end points of relative per-meability mersured by experments are applied,without the need to assume the ratio of rela-tive permeability of oil and water.The result has shown that the lgwp vs recovery factor doesnot take a linear relationship when water cut reaches a certain value;Even if lgwp vs recoveryfactor is not a straight line because of stimulation treatment,the final factor can still be esti-mated.So the treatment can be evaluated according to the change of the ultimate recovery. At the same time the cures of relative permeability can be determined.

关 键 词：水压驱动 油田 最佳化 石油开采 

分 类 号：TE31[石油与天然气工程—油气田开发工程]