赵亮,王妍,李永琪,安梦雯,陈庆丰,杨光
ZHAO Liang,WANG Yan,LI Yongqi,AN Mengwen,CHEN Qingfeng,YANG Guang

• 1:东北石油大学机械科学与工程学院

摘要(Abstract)：

针对油田注水系统中泵站运行效率低下及能耗过高等问题，以油田注水泵站为研究对象，构建了以泵站用电费用最小、平均效率最大、流量偏离程度最小、启停频率最小的多目标运行优化模型。采用第三代非支配排序遗传算法（NSGA-Ⅲ）对其进行运行优化求解，再结合层次分析法（AHP）和基于指标间相关性的权重赋权法（CRITIC）对其进行组合赋权，同时引入逼近理想解排序法（TOPSIS）对方案进行优选，实现了多目标优化的综合决策。通过与该油田注水泵站原有运行方案的对比分析表明，优化后的方案取得了显著的成效：水泵平均效率由66.99%提升至70.31%，提升率达到4.96%；流量偏离度由优化前的17.32%降低至13.71%，降低了20.8%；水泵启停频率由原先的0.500降低至0.314，降幅高达37.2%；每日用电费用由22 528元降至20 116元，降幅达10.71%。研究可为油田注水泵站的科学运行管理提供依据。
Aiming at the problems of low operating efficiency and excessive energy consumption of pumping stations in the oilfield,, water injection systemtaking the oilfield water injection pumping station as the research objecta multi-objective operation,,optimization model was constructed with the minimum electricity costthe maximum average efficiencythe minimum flow,deviation degreeand the minimum start-stop frequency of the pumping station.The third-generation non-dominated sorting genetic algorithm(NSGA-Ⅲ) was adopted to solve it for operation optimization.Then,the analytic hierarchy process(AHP) and() the weight assignment method based on the correlation between indicators CRITIC were combined to assign weights to it.Meanwhile,the near-ideal solution ranking method(TOPSIS) was introduced to optimize the scheme,achieving comprehensive decision-making for multi-objective optimization.The comparative analysis with the original operation scheme of the oilfield water injection pumping station shows that the optimized scheme has achieved remarkable results.The average efficiency of the water,pump has increased from 66.99% to 70.31%the improvement rate reaches 4.96%.The traffic deviation has decreased from 17.32% before optimization to 13.71%,a reduction of 20.8%. Meanwhile,the start-stop frequency of the water pump has decreased from the original 0.500 to 0.314,a decrease of up to 37.2%.The daily electricity cost has decreased from 22 528 yuan to 20 116 yuan,a decrease of 10.71%.The research can provide a basis for the scientific operation and management of oilfield water injection pump stations.

关键词(KeyWords)： 注水泵站;NSGA-Ⅲ;CRITIC;TOPSIS;多目标优化
water injection pumping station;NSGA-Ⅲ;CRITIC;TOPSIS;multi-objective optimization

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划（2018YFE0196000）

作者(Author): 赵亮,王妍,李永琪,安梦雯,陈庆丰,杨光
ZHAO Liang,WANG Yan,LI Yongqi,AN Mengwen,CHEN Qingfeng,YANG Guang

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