Asphaltene Phase Behavior Modeling Using Peng-Robinson 78A-EOS for a Crude Oil Sample from Buzurgan Oil Field

IF 1.3 4区工程技术 Q3 CHEMISTRY, ORGANIC

Petroleum Chemistry Pub Date : 2024-10-16 DOI:10.1134/S096554412405013X

Mohammed A. Ahmed, Jassim M. Al-Said Naji, Alyaa M. Ali, Ali Qasim Al-Khafaje

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Abstract

Asphaltenes are a solubility class that is thought to be the heaviest and polar component of the petroleum product. Asphaltene precipitation (AP) and deposition during oil production, processing, and transportation are key concerns for the oil industry. The current study analyzes the phase envelope of fluids and asphaltene precipitation of a real-live oil sample (bottom hole sample) from a well that was drilled in the Mishrif reservoir formation—Buzargan oil field in the Missan governorate in south-east Iraq. The study emphasizes a number of essential approaches for simulating asphaltene phase behavior using the Peng‒Robinson-78 advanced equation of state model for AP by using Multiflash software. The asphaltene precipitation envelope (APE) is the output of the equation of state, from which the authors may predict the operation conditions to avoid asphaltene precipitation. Prediction of these situations can improve reservoir performance and production systems ability to decrease asphaltene precipitation by regulating reservoir factors.

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使用彭-罗宾逊 78A-EOS 为布祖尔干油田的原油样本建立沥青质相行为模型

沥青质被认为是石油产品中最重的极性成分，属于可溶性物质。石油生产、加工和运输过程中的沥青质沉淀（AP）和沉积是石油工业关注的重点。本研究分析了在伊拉克东南部米桑省 Mishrif 储层-Buzargan 油田钻探的一口油井样本（井底样本）的流体相包络和沥青质沉淀情况。研究强调了使用 Multiflash 软件，利用彭-罗宾逊-78 高级 AP 状态方程模型模拟沥青质相行为的一些基本方法。沥青质析出包络（APE）是状态方程的输出结果，作者可据此预测避免沥青质析出的操作条件。预测这些情况可以提高油藏性能和生产系统的能力，通过调节油藏因素减少沥青质析出。

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来源期刊

Petroleum Chemistry 工程技术-工程：化工

CiteScore

2.50

自引率

21.40%

发文量

102

审稿时长

6-12 weeks

期刊介绍： Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas. Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.