高含水期单元合理注采比确定

The Determination of Injection - Production Ratio in High Water cut Stage

采用理论推导与实际资料拟合相结合的办法,选定双河油田Ⅳ1～4、Ⅵ、Ⅶ上和Ⅶ下这4个井网结构比较完善的单元作为研究对象。通过对这些开发单元历史资料的整理、拟合,求出注采比、总压降和产液量的相互关系,进而制出关系图版,从中求出单元合理的注采比,为配产注提供理论依据。

Combined the theory reasoning with practical data, seleeted four production units of perfect well patterns- Ⅳ1-4, Ⅵ , Ⅶ1-3 14 and Ⅶ 4-18 in Shuanghe Oil Field arc regarded as objects of study. By means of sorting out the data and matching with the producing histories, we founded out the relation of total pressure drop with liquid production, an.i drew the model ralction curves, and founded out the rational injection-production ratio. Foundation of proration production and injection allocatio was given