Abstract: In this paper,an optimal design of oil-gas gathering system is formulated,and the computational complexity is discussed.A multilevel optimization method is developed.Optimization at system level is achieved by dynamic programming.Also,fuzzy optimization,optimization of passing block-off region and operation optimization problems are studied.A saving of capital by 1.5-5% is achieved in practical applications.

摘要： 本文建立了油气集输系统优化设计数学模型.讨论了计算复杂性问题,提出了多级求解策略及方法,并通过系统级优化将子问题统一起来.还讨论了集输系统模糊优化、越障碍优化、最优运行以及多目标决策问题.应用本文方法,节约投资1.5%～5%.

关键词: 油气集输, 优化设计, 数学模型