一个CO2响应凝系统 (AM/NVP/DMAEMA) 用于在CO2泛滥过程中插入高透性气体通道区域
Yang Xu1,2, Yu-Gong Wang1,2, Yong Li1,2
1Technology & Engineering Research Institute of Chuanqing Drilling Engineering Company, Xi'an, Shanxi 710018, China.
ACS omega
|February 9, 2026
概括
本研究引入了一种新的二氧化碳反应凝系统 (DKS),以防止在二氧化碳泛滥期间,气体在低透性储中流通. DKS凝在二氧化碳环境中表现出卓越的堵塞效率和稳定性.
科学领域:
- 石油工程是石油工程中的一个.
- 聚合物化学 聚合物化学
- 材料科学 材料科学 材料科学
背景情况:
- 低透性储中二氧化碳泛滥面临的挑战是气体管道.
- 有效的堵塞剂对于增强石油回收至关重要.
研究的目的:
- 开发和评估一套对二氧化碳有反应的凝系统,用于气体通道堵塞.
- 为凝配方合成一种新型的二氧化碳反应性聚合物.
主要方法:
- 通过分子设计合成了一种对CO2敏感的聚合物 (AM/NVP/DMAEMA).
- 制定了一种具有特定成分质量分数的二氧化碳反应性聚合物凝系统 (DKS).
- 在各种环境条件下 (温度,盐度,压力) 进行性能测试.
- 在对人工芯的二氧化碳洪水模拟实验中评估了注入性和插塞性能.
主要成果:
- 合成的聚合物证实了成功的合成.
- DKS凝的凝强度高于等级H (G'>2Pa) 和经过30天的老化后的稳定性.
- DKS显示出极好的注射性 (注射压力<0.80 MPa) 和高的堵塞率 (>95%).
- 与传统凝相比,DKS在二氧化碳大气中表现出优越的凝强度和稳定性.
结论:
- 开发的二氧化碳响应凝系统 (DKS) 有效地解决了低透性储中的气体导通问题.
- DKS为高效的二氧化碳泛滥开发提供了巨大的潜力.
- 该研究为优化二氧化碳注入策略提供了宝贵的见解.
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