Rapid screening and probabilistic estimation of the potential for CO2-EOR and associated geological CO2 storage in Colombian petroleum basins

IF 1.9 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY Petroleum Geoscience Pub Date : 2022-02-01 DOI:10.1144/petgeo2020-110
Edgar Eduardo Yáñez Angarita, V. Núñez-López, A. Ramírez Ramírez, Edgar Fernando Castillo Monroy, A. Faaij
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引用次数: 6

Abstract

Estimating the oil recovery potential using CO2 (CO2-EOR) at a national level is resource-intensive at a scale that is not usually available. The aim of this study is two-fold: first, the potential for CO2 storage and enhanced oil recovery (EOR) in Colombia is evaluated; and, second, the results from two different calculation methods (stochastic and deterministic) are compared when there is lack of information for a quick screening of suitable oilfields. The deterministic approach is based on expert insight and data found in the literature; while, the stochastic uses statistical data from two different databases (commercial and simulation-based results) to run a Monte Carlo simulation. Potential estimates based on typical values from the literature (deterministic) results in 277 MMbbl (million barrels) of oil and 36 Mt (million tonnes) of CO2. In contrast, a probabilistic-based method using a wide simulation database (stochastic) provides higher values of 690 MMbbl of oil and 203 Mt of CO2. Results using simulation-based and commercial project data also show significant differences. The volume of CO2 injected, which affects the recovery factor, is usually 100% hydrocarbon pore volume (HCPV) in simulation, while commercial projects have nowadays regularly increased from 30% to exceed the 100% threshold. A combination of these approaches avoids a resource-intensive estimation process and effectively provides a more realistic picture of the feasibility of applying CO2-EOR technologies. Thematic collection: This article is part of the Geoscience for CO2 storage collection available at: https://www.lyellcollection.org/cc/geoscience-for-co2-storage
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哥伦比亚含油气盆地CO2- eor潜力的快速筛选和概率估计以及相关的地质CO2储存
在全国范围内使用二氧化碳(CO2- eor)来估计石油采收率潜力是一项资源密集型的工作,其规模通常无法实现。本研究的目的有两个:首先,评估哥伦比亚二氧化碳储存和提高采收率(EOR)的潜力;其次,在缺乏信息的情况下,比较了两种不同计算方法(随机和确定性)的结果,以便快速筛选合适的油田。确定性方法基于专家的见解和文献中的数据;同时,随机使用来自两个不同数据库(商业和基于模拟的结果)的统计数据来运行蒙特卡罗模拟。基于文献中的典型值(确定性)的潜在估计结果为2.77亿桶(百万桶)石油和3600万吨(百万公吨)二氧化碳。相比之下,基于概率的方法使用了广泛的模拟数据库(随机),提供了6.9亿桶石油和2.03亿吨二氧化碳的更高值。基于模拟和商业项目数据的结果也显示出显著差异。在模拟中,影响采收率的CO2注入量通常为100%烃孔体积(HCPV),而目前的商业项目通常从30%增加到超过100%的阈值。这些方法的结合避免了资源密集型的评估过程,并有效地提供了应用CO2-EOR技术的可行性的更现实的图景。专题合集:本文是地球科学CO2储存合集的一部分,可在:https://www.lyellcollection.org/cc/geoscience-for-co2-storage上获得
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来源期刊
Petroleum Geoscience
Petroleum Geoscience 地学-地球科学综合
CiteScore
4.80
自引率
11.80%
发文量
28
审稿时长
>12 weeks
期刊介绍: Petroleum Geoscience is the international journal of geoenergy and applied earth science, and is co-owned by the Geological Society of London and the European Association of Geoscientists and Engineers (EAGE). Petroleum Geoscience transcends disciplinary boundaries and publishes a balanced mix of articles covering exploration, exploitation, appraisal, development and enhancement of sub-surface hydrocarbon resources and carbon repositories. The integration of disciplines in an applied context, whether for fluid production, carbon storage or related geoenergy applications, is a particular strength of the journal. Articles on enhancing exploration efficiency, lowering technological and environmental risk, and improving hydrocarbon recovery communicate the latest developments in sub-surface geoscience to a wide readership. Petroleum Geoscience provides a multidisciplinary forum for those engaged in the science and technology of the rock-related sub-surface disciplines. The journal reaches some 8000 individual subscribers, and a further 1100 institutional subscriptions provide global access to readers including geologists, geophysicists, petroleum and reservoir engineers, petrophysicists and geochemists in both academia and industry. The journal aims to share knowledge of reservoir geoscience and to reflect the international nature of its development.
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