驱油用表面活性剂及其制备方法以及在超高温高盐油藏中的应用
By preparing surfactants with specific structures for oil displacement, the problem of insufficient high-temperature and salt resistance of surfactants in deep and ultra-deep reservoirs has been solved, achieving efficient oil displacement under ultra-high temperature and high-salt conditions and improving oil recovery.
CN118496129BActive Publication Date: 2026-07-17CHINA UNIV OF PETROLEUM (EAST CHINA)
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA UNIV OF PETROLEUM (EAST CHINA)
- Filing Date
- 2024-05-10
- Publication Date
- 2026-07-17
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Figure CN118496129B_ABST
Abstract
本发明涉及驱油用表面活性剂领域，公开了一种驱油用表面活性剂及其制备方法以及在超高温高盐油藏中的应用，其中，所述驱油用表面活性剂具有式(I)所示的结构式，n为9‑18的整数；R1为C1‑C4的取代或未取代的烷基；该驱油用表面活性剂在超高温高盐条件下能够提高驱油效率；
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