一种耐高温,强度高,自我修复的双网水凝,用于石油回收过程中的配置控制
Lin Du1, Yao-Yu Xiao2, Zhi-Chao Jiang2
1School of Mining and Petroleum Engineering, Faculty of Engineering, University of Alberta, Edmonton, Canada T6G 1H9.
Journal of colloid and interface science
|November 3, 2024
概括
一种由聚烯胺和康杰克葡萄甘制成的新型双网水凝,在石油回收中提供了卓越的配置控制. 这种先进的水凝具有高强度,热稳定性和自我愈合特性,可以有效地堵塞高透性区域.
科学领域:
- 材料科学 材料科学 材料科学
- 石油工程是石油工程中的一个.
- 聚合物化学 聚合物化学
背景情况:
- 水凝对于回收石油的配置控制至关重要,准高透性区域.
- 现有的水凝在机械强度和高温性能方面存在局限性.
研究的目的:
- 开发一种新的双网 (DN) 水凝,用于提高石油回收中的配置控制.
- 评估新型水凝的机械,热和自我愈合特性.
- 为了评估DN水凝在高通透性条件下的堵塞效率.
主要方法:
- 使用聚烯胺 (PAAm) 和糖甘 (KGM) 与N,N'-甲基二烯胺 (MBAA) 和 (B) 交联的双网凝的合成.
- 评估机械强度 (骨折应力),热稳定性 (130°C24小时),以及自我愈合能力.
- 散颗粒凝 (DPG) 悬浮剂的制备,用于在沙袋中堵塞性能测试.
主要成果:
- 亚美/KGM DN 水凝具有很高的机械强度 (破裂应力 > 0.137 MPa).
- 水凝在130°C保持24小时的热稳定性,表现出极好的高温耐受性.
- 由于相互透的网络和键,DN水凝具有出色的自我愈合特性.
- 在高透性沙袋中,AAm/KGM DN DPG 实现了93.2%的堵塞效率,明显优于纯PAAm DPG (60.5%).
结论:
- 开发的AAm/KGM DN水凝为石油回收过程中配置控制提供了一个有前途的解决方案.
- 它的高机械强度,高温耐受性和自我愈合能力的结合解决了该领域的关键挑战.
- DN水凝的优越的堵塞效率使其成为优化石油生产的有价值候选人.
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