概括
超临界的二氧化碳 (CO2) 洪水可以从美国的油库中回收大量剩余的石油. 虽然水库岩石异质性和二氧化碳粘度降低了回收率,但目前正在进行大规模的二氧化碳增强石油回收项目.
科学领域:
- 石油工程是石油工程中的一个.
- 地质工程是地质工程.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 在传统的回收方法之后,美国的油库中仍然存在大量的石油.
- 超临界二氧化碳 (CO2) 为增强石油回收 (EOR) 提供了一个可行的选择.
研究的目的:
- 评估超临界二氧化碳 (CO2) 对增强石油回收 (EOR) 的有效性.
- 评估影响异质油库中CO2-EOR效率的因素.
主要方法:
- 实验室流量实验使用超临界二氧化碳提取碳化合物进行.
- 通过密集的二氧化碳与原油相互作用,形成混合物来实现混合性.
主要成果:
- 实验室测试表明,在受控条件下,有可能回收高达95%的石油.
- 水库岩石的异质性和二氧化碳的低粘度减少了现场应用中的回收分量.
- 尽管减少了,但二氧化碳泛滥仍然达到显著的石油回收水平.
结论:
- 超临界二氧化碳泛滥是一种有希望的增强石油回收技术.
- 大规模实施正在开始,新的二氧化碳管道供应珀米亚盆地油田.
- 目前正在进行的项目表明CO2-EOR的经济可行性和技术可行性.
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