基于油藏CO_2驱油潜力的CCUS源汇匹配方法

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英文篇名：CCUS SOURCE-SINK MATCHING METHOD BASED ON THE POTENTIAL OF CO_2 FLOODING 作者：汪芳 ; 秦积舜 ; 周体尧 ; 杨永智 英文作者：WANG Fang;QIN Ji-shun;ZHOU Ti-yao;YANG Yong-zhi;State Key Laboratory of EOR;National Energy CO2 Capture and Storage Research and Development Center; 关键词：CO_2捕集、利用与埋存(CCUS) ; 可承受极限成本 ; 源汇匹配 ; 管道和注采规划 英文关键词：CO_2 capture;;utilization and storage(CCUS);;affordable limit cost;;source-sink matching;;pipeline and injection-production planning 中文刊名：环境工程 英文刊名：Environmental Engineering 机构：提高石油采收率国家重点实验室;国家能源二氧化碳驱油与埋存技术研发(实验)中心; 出版日期：2019-02-15 出版单位：环境工程 年：2019 期：02 基金：国家十三五重大科技专项“CO2捕集、驱油与埋存发展规划研究”(2016ZX05016-005);; 中国石油天然气股份有限公司专项“CCUS资源潜力评价和配套政策研究(2014E-3606)” 语种：中文; 页：54-59 页数：6 CN：11-2097/X ISSN：1000-8942 分类号：X701

摘要

CO_2捕集、利用与埋存(CCUS)商业化的关键因素是通过工业CO_2排放源与油田间的源汇匹配,筛选出最具经济性的匹配方案。基于油藏驱油潜力和油田CO_2驱注气的阶段开发特点,以油田可承受CO_2极限成本为约束条件,CCUS商业化项目的总成本现值最小为优化目标,建立了工业CO_2排放源与具有效益开发潜力油藏的CCUS源汇匹配评价流程和相关指标计算方法。并以我国东部地区某油田及附近碳源为例,筛选出可承受CO_2极限成本大于150元/t的油田区块,将CCUS全生命周期划分为6个阶段,完成燃煤电厂(碳源地)与油田区块间管道布局和CO_2注入井的接替(分阶段)注采规划,并发现当油价高于70美元/桶时,油田区块的平均可承受CO_2极限成本接近该源汇匹配下的全生命周期CO_2平均供给成本。
        The key factor for CO_2 capture, utilization and storage(CCUS) commercialization is to screen the most economical matching scheme through source-sink matching between industrial emission source and oil field. In this paper, based on the flooding potential of oil reservoirs and stage development characteristics of CO_2 flooding and gas injection of oil fields, a CCUS source-sink matching evaluation process and calculation method of relevant indicators were developed under the constraint of the affordable CO_2 limit cost of the targeted oil fields, and with the minimum total present cost value of the CCUS commercial project as the optimization target. In addition, this paper took a certain oil-field and its nearby carbon sources in the eastern region of China for instance, screened the oil blocks whose affordable CO_2 limit cost was higher than RMB 150/t, and divided the whole lifecycle of CCUS into 6 stages, completed the distribution of pipelines between coal-fired power plants(carbon source) and oil blocks and the replacement(staged) injection-production planning for CO_2 injection wells, and the results showed that when international crude oil price was above $70/barrel, the average affordable CO_2 limit cost was close to the average CO_2 supply cost during the whole lifecycle under this source-sink matching.

引文

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