铁氧化物纳米粒子在动态流动中:磁热过热对流动的重型原油的影响
Maria E F Brollo1, Ivanei F Pinheiro2, Gabriel S Bassani3
1Physics Institute "Gleb Wataghin" (IFGW), University of Campinas (Unicamp), Campinas, São Paulo 13083-859, Brazil.
ACS omega
|September 18, 2023
概括
磁纳米粒子 (NPs) 通过交替磁场有效地加热重型原油,显著降低粘度. 这一进步为提高提取操作中的石油流量保证提供了一个有希望的解决方案.
科学领域:
- 石油工程是石油工程中的一个.
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- 流量保证对于经济上可持续的原油开采至关重要,它可以防止诸如抛沉积,青和甲水合物等问题.
- 加热原油降低粘度,减轻流量保证问题.
- 磁纳米粒子 (NPs) 提供了一种通过磁性高温来加热流体的新方法.
研究的目的:
- 研究磁性NP用于加热重型原油的应用 (API 19.0).
- 评估磁场参数和NP特性对加热效率的影响.
- 量化所产生的粘度降低及其提高石油流量的潜力.
主要方法:
- 使用9纳米磁性NP分散在重型原油中.
- 将纳米流体暴露在不同频率 (高达533kHz) 和强度 (高达14kA/m) 的交替磁场中.
- 在1.2g/s的流速下,测量温度增加 (ΔT) 和粘度降低.
主要成果:
- 在最佳磁场条件下,使用1%重量的NP达到16.3°C的最大温度升高.
- 在重型原油粘度显著下降近45%.
- 加热效率受到磁场参数,流体特性和NP特性的影响.
结论:
- 磁纳米流体显示了有效地在现场加热重型原油的潜力.
- 观察到的粘度降低可以在生产过程中大大改善油流.
- 该方法为解决石油和天然气行业的流量保证挑战提供了一个可行的策略.
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