论文部分内容阅读
油田进入注水开发以后,地层水矿化度逐渐降低,有些油层被水淹或部分水淹。如何判断油层和水淹层,是一个急待解决的问题。了解水淹层残余油饱和度的大小,是二次采油和三次采油的基础。
After the oilfield enters waterflood development, the salinity of formation water gradually decreases, and some reservoirs are flooded or partially flooded. How to judge the oil and water flooded layer is an urgent problem to be solved. Knowing the size of residual oil saturation in the flooded layer is the basis of secondary oil recovery and tertiary recovery.