喇嘛甸油田集输系统能耗分析及生产运行方案优化

发布时间：2019-06-20 05:40

【摘要】：喇嘛甸油田已经进入开发后期,面临原油采出程度高、含水高和产量持续递减等问题,导致运行成本逐年升高。针对油田面临的生产现状,有必要对油田的集输系统进行能耗分布规律的研究,找出系统效率低、能耗高的主要原因,从而提出合理的改造措施,达到节能降耗的目的。针对喇嘛甸油田集输系统的实际情况,开展了以下几个方面的研究工作:(1)分析集输系统的结构和工艺特点,将系统分解为转油站、计量间、集输管线3个环节,根据能量平衡原理建立了各集输环节能量平衡模型,并给出了相应的能耗评价指标。(2)根据双管掺水集输流程,以集输系统总能耗费用最小为目标函数,以掺水量、掺水温度等运行参数为决策变量,建立了双管掺水集输工艺流程的生产运行优化数学模型。针对数学模型的特点,采用具有全局收敛性的遗传算法进行求解。(3)基于C++builder程序设计平台,开发了集输系统能耗分析及生产运行参数优化软件。该软件既能够对转油站集输系统进行能耗分析,确定能耗分布规律,找出集输系统能耗薄弱环节;也可以进行集输系统生产运行参数优化,有效降低生产运行成本。(4)分别对喇嘛甸油田喇501转油站和喇641转油站集输系统进行了能耗分析和生产运行优化。与优化前相比,喇501转油站掺水温度下降10℃,总掺水量上升130m~3/d,转油站日耗电量上升192kW·h,日耗气量下降2262m~3,日运行费用下降1153元,下降幅度达29%;喇641转油站掺水温度下降11℃,总掺水量上升165m~3/d,转油站日耗电量上升255kW·h,日耗气量下降1221m~3,日运行费用下降873元,下降幅度达32%。
[Abstract]:Lamadian Oilfield has entered the later stage of development, facing the problems of high degree of crude oil production, high water cut and continuous decline of production, which leads to the increase of operation cost year by year. In view of the present situation of oil field production, it is necessary to study the energy consumption distribution law of the gathering and transportation system in the oil field, find out the main reasons for the low efficiency and high energy consumption of the system, and put forward reasonable transformation measures to achieve the purpose of energy saving and consumption reduction. According to the actual situation of the gathering and transportation system in Lamadian Oilfield, the following research work has been carried out: (1) the structure and technological characteristics of the gathering and transportation system are analyzed, and the system is decomposed into three links: transfer station, metering room and gathering pipeline. According to the principle of energy balance, the energy balance model of each gathering and transportation link is established, and the corresponding energy consumption evaluation index is given. (2) according to the double pipe water gathering and transportation process, Taking the minimum total energy consumption cost of the gathering and transportation system as the objective function and the operation parameters such as mixing water quantity and mixing temperature as decision variables, the mathematical model of production operation optimization of double pipe water mixing and transportation process is established. According to the characteristics of the mathematical model, the genetic algorithm with global convergence is used to solve the problem. (3) based on the C builder programming platform, the software for energy consumption analysis and production operation parameter optimization of the gathering and transportation system is developed. The software can not only analyze the energy consumption of the gathering and transportation system of the transfer station, determine the law of energy consumption distribution, find out the weak link of the energy consumption of the gathering and transportation system, but also optimize the production operation parameters of the gathering and transportation system, and effectively reduce the production operation cost. (4) the energy consumption analysis and production operation optimization of the gathering and transportation system of the La 501 and La 641 transfer stations in Lamadian Oilfield are carried out respectively. Compared with before optimization, the mixing temperature of La 501 transfer station decreased by 10 鈩，

本文编号：2502982