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注水开发油田在长期注水之后,不可避免地产生一部分无效注水,本文运用理论推导和实际资料相结合的方法,引入了“有效注采比”的概念,通过对一个油田(或单元)无效注水比例的测算,确定出在不同压力保持水平、不同采液速度下的注采比及在合理压力保持水平、合理采液速度下的合理注采比,为油田进行合理的配产配注提供理论依据。
After long-term waterflooding, some ineffective waterflooding will be inevitable. In this paper, the concept of “effective injection-production ratio” is introduced by combining the theoretical derivation with the actual data. By invalidating one oilfield (or unit) Water injection ratio to determine the different pressure to maintain the level of different production rate of injection and production and under a reasonable pressure to maintain a reasonable rate of reasonable liquid injection under the injection ratio for the oil field with a reasonable allocation of available injection Theoretical basis.