油田注水系统生产运行优化

通过建立基本单元和注水管网的数学模型,来描述注水系统的基本特征。以注水泵的排量为设计变量,建立起注水系统生产运行优化的数学模型。依据模型的特点,提出了约束条件转化策略和二层递阶迭代的优化方法,可以给出不同配注条件下注水系统优化的开泵方案和最佳的运行参数。此项技术在大庆杏南油田使用,表明实施注水系统生产运行优化,能够降低注水单耗,提高注水系统的运行效率,从而降低原油生产成本,提高了油田的经济效益。

Production Optimization Water Flooding System in Oil Field

The paper sets up mathematical models of units and pipeline network that can be used to describe basic features of water flooding system. In optimization model of water flooding system, flows of pumps are designed to be variables. The conversion tactic of constrained conditions and optimal method of two ?stage hierarchical iteration based on model characteristic are de-veloped. The research can give out optimal starting pump plan and producing parameters under different producing plans. The technology has been operated in Daqing Xingnan oil field. The result shows that power consumption of water flooding can be dropped and the system efficiency can be increased, which results in drop of oil cost of production.