XSQ聚驱项目聚合物用量对技术经济指标的影响研究

发布时间：2018-05-29 19:40

本文选题：XSQ + 聚合物驱油　；参考：《东北石油大学》2017年硕士论文

【摘要】：自2014年6月原油价格开始下跌后,国际原油价格出现了持续下跌的趋势,给我国石油生产企业带来了巨大的冲击。大庆油田作为已经进入产量递减阶段的高含水期大油田,聚合物驱油方法是大庆油田维持原油产量、保证国家能源安全的战略举措。随着原油价格的持续低迷,聚合物驱油虽然增加了原油的生产数量,但也带来了生产成本的大幅度上升,因此原油价格的降低可能使某些聚合物驱油区块出现亏损的局面。因此,如何分析聚驱项目聚合物用量对主要技术、经济指标的影响,找出其中的变化规律对大庆油田聚合物驱油方案具体实施具有重要的意义。首先界定了聚合物驱油的定义并分析其特点,分析聚合物驱油的相关技术指标及其计算方法,阐述了聚驱项目常用的经济效益指标及分析过程,明确了聚合物用量是聚驱项目技术、经济指标的主要影响因素。第二,在综合介绍XSQ聚驱项目概况的基础上,定量分析了聚合物用量对主要技术指标提高采收率、累计增油量和吨聚增油量的影响,构建了聚合物用量与技术指标之间的数量关系模型和变化趋势图,详细分析了三个主要技术指标的变化规律。第三,深入分析了XSQ聚驱项目不同开发阶段总成本费用和吨油成本费用的变化趋势和成本构成。第四,以净现值(NPV)为代表分析聚合物用量对经济效益指标的影响。在计算XSQ聚驱项目净现值的基础上,探讨了聚合物用量与净现值(NPV)之间的数量关系模型,通过绘制变化趋势图分析净现值随着聚合物用量变动的变化规律。最后,在上述研究成果基础上从合理确定最佳停注聚区间(点)和有效控制含水上升期和后续水驱阶段成本两个方面提出了XSQ聚驱项目降本增效的建议。
[Abstract]:Since the crude oil price began to fall in June 2014, the international crude oil price has been declining continuously, which has brought great impact to the oil production enterprises of our country. As a large oilfield in high water cut stage, Daqing Oilfield has entered the stage of production decline. Polymer flooding is a strategic measure to maintain crude oil production and ensure national energy security in Daqing Oilfield. With the continuous downturn of crude oil prices, polymer flooding has increased the production of crude oil, but also brought about a large increase in production costs, so the decrease of crude oil prices may cause some polymer flooding blocks to suffer losses. Therefore, how to analyze the influence of polymer dosage on the main technical and economic indexes, and find out the change law of polymer flooding project is of great significance to the implementation of polymer flooding scheme in Daqing Oilfield. Firstly, the definition of polymer flooding is defined and its characteristics are analyzed. The related technical indexes and calculation methods of polymer flooding are analyzed, and the common economic benefit indexes and analysis process of polymer flooding project are expounded. The amount of polymer is the main influencing factor of the technology and economic index of polymer flooding project. Secondly, on the basis of introducing the general situation of XSQ polymer flooding project, the effect of polymer dosage on the main technical indexes of improving oil recovery, accumulative oil increase and ton oil accumulation is quantitatively analyzed. The quantitative relationship model and change trend diagram between the amount of polymer and the technical index were constructed, and the variation rules of the three main technical indexes were analyzed in detail. Thirdly, the variation trend and cost composition of total cost and ton oil cost in different development stages of XSQ polymer flooding project are analyzed. Fourth, using NPV (net present value) as a representative to analyze the influence of polymer dosage on economic benefit index. On the basis of calculating the NPV of polymer flooding project, the quantitative relationship model between the amount of polymer and NPV is discussed, and the variation law of NPV with the amount of polymer is analyzed by drawing the change trend diagram. Finally, on the basis of the above research results, the paper puts forward some suggestions on reducing cost and increasing efficiency of XSQ polymer flooding project from two aspects: reasonable determination of optimal injection stopping interval (point) and effective control of water cut rising period and subsequent water drive stage cost.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE357.46

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