论文部分内容阅读
大港油田经过多次调整和不断强化开采,部分区块已进入高采出程度和高含水期开采阶段,这个阶段的开发特点:一是断块复杂,河流相砂体连通性差;二是剩余油分散;三是特高含水井增多;四是注入水性质差异大,地层水关系变得复杂。这些因素导致油水层测井响应规律复杂,地层水电阻率难以求准,油田开发难度越来越大。为了搞清地下油水分布、确定剩余油富集区域,进行水淹层研究是提高油田开发效果的关键。
Dagang Oilfield has undergone several adjustments and intensified mining operations. Some of the blocks have entered the stage of high production and high water cut. The development features of this stage are as follows: First, complicated faulted blocks and poor inter-connectivity of river-sand bodies; second, residual oil Scattered; third is the increase of ultra-high water-cut wells; fourth is the nature of the injected water is different, the relationship between formation water becomes more complicated. These factors lead to complicated oil and water logging response rules, difficult to find the formation water resistivity, oil field development more and more difficult. In order to understand the distribution of underground oil and water and determine the remaining oil-rich area, the study of water flooded layer is the key to improve the effect of oilfield development.