天然气地下储气库生产运营优化技术

Research on operation optimization technology for underground natural gas storage

  • 摘要: 为实现调峰保供与经济效益最大化的双重目标,面向注气期“保供-成本”双约束,提出可执行的能耗优化方法。具体构建“标准成本-能耗预测-参数优化”的业财融合框架,构建储气库群标准成本体系,明确关键设备成本构成要素,通过主成分分析(Principal Component Analysis,PCA)方法选取进口/ 出口压力、日注气量与运行时间等关键特征参数,采用优化后支持向量回归(Support Vector Regression,SVR)和粒子群机器学习方法建立设备能耗数据、生产数据和成本要素的业财融合模型,实时预测储气库在不同注采计划方案下的设备能耗成本,并测算不同注气任务下压缩机各参数的最优配比方案,以实现关键设备的成本管控和优化。该方法在不改变工艺流程的前提下为储气库运营优化提供可复制的调参方案,实现成本精细化控制与运行提效。

     

    Abstract: To maximize economic benefits while ensuring peak shaving and supply security, this paper proposes a practical energy consumption optimization method under the dual constraints of "supply guarantee and cost control" during the gas injection period. A business-finance integration framework-comprising standard costing, energy consumption prediction, and parameter optimization-was developed alongside a standard cost system for underground gas storage clusters to define key equipment cost components. Principal Component Analysis(PCA)was utilized to identify critical characteristic parameters, including inlet / outlet pressure, daily injection volume, and operation time. Finally, a business-finance model was established using optimized Support Vector Regression(SVR)combined with Particle Swarm Optimization(PSO)machine learning method to integrate equipment energy consumption, production data, and cost elements. This model enables real-time prediction of energy consumption costs across different injection-production schemes and determines optimal compressor parameter mix for various tasks. By providing a replicable parameter tuning scheme for gas storage operation optimization without altering existing technological processes, this method facilitates refined cost control and efficiency enhancement.

     

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