使用ASP解决方案优化增强石油回收
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Landson Soares Marques1, Pamela Dias Rodrigues2, George Simonelli1
1Oil, Gas, and Biofuels Research Group (PGBio), Postgraduate Program of Chemical Engineering (PPEQ), Federal University of Bahia (UFBA), R. Prof. Aristides Novis, 2, 2° floor, Federação, CEP 40210-630, Salvador, BA, Brazil.
Heliyon
|November 29, 2023
概括
这项研究优化了/表面活性剂/聚合物 (ASP) 流体,以提高石油回收. 最佳的ASP组成实现了62%的石油回收,证明了具有成本效益的EOR潜力.
科学领域:
- 石油工程是石油工程中的一个.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 水注入是增强石油回收 (EOR) 的常用方法.
- /表面活性剂/聚合物 (ASP) 泛滥是一种有前途的EOR技术,可以改善成熟水库的石油回收.
- 优化ASP组成对于最大限度地回收石油和最大限度地降低运营成本至关重要.
研究的目的:
- 确定,表面活性剂和聚合物的最佳度,以提高石油回收.
- 分析 (Na2CO3),表面活性剂 (酸) 和聚合物 (香丹) 对石油回收效率的影响.
- 与现有方法相比,评估优化ASP配方的成本效益.
主要方法:
- 用一个完整的因数实验设计 (23+3次复制) 来研究三个变量的影响.
- 在模拟的水库条件下 (60°C,348mD透度) 使用来自Botucatu形成的核心样本进行了实验.
- 来自卡莫波利斯油田的原油和合成生产水被用于石油回收试验.
主要成果:
- 表面活性剂和聚合物度被确定为影响石油回收的统计学上最重要的因素.
- 发现变量之间的第一阶相互作用在统计学上是微不足道的.
- 二次石油回收在原油原油 (OOIP) 的30-36%之间.
- 优化的ASP流体在先进阶段实现了惊人的62%的石油回收.
结论:
- 与传统方法相比,优化的ASP配方显著提高了石油回收.
- 在最佳的ASP设计中,,表面活性剂和聚合物的度较低会降低成本.
- 这项研究强调了优化单个成分度的重要性,以实现高效和经济的EOR.
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