一种阻水透油覆膜砂及其制备方法
By preparing water-blocking and oil-permeable coated sand and combining modified epoxy resin with modified water-absorbing resin, the problem of high water content in produced fluid in high water-cut oil wells was solved, achieving oil-water permeability separation and improving oil production efficiency.
CN118684444BActive Publication Date: 2026-07-17CHINA PETROLEUM & CHEMICAL CORP +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEMICAL CORP
- Filing Date
- 2023-03-23
- Publication Date
- 2026-07-17
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Figure SMS_1
Abstract
本发明公开了一种阻水透油覆膜砂及其制备方法，阻水透油覆膜砂的制备方法步骤如下：（1）制备改性环氧树脂；（2）制备阻水透油覆膜砂预聚体：（3）在接触条件下，将阻水透油覆膜砂预聚体与促进剂混合均匀进行固化反应，得到的固结体经破碎后与改性吸水树脂混匀得到阻水透油固结覆膜砂。同时还提供一种采用上述制备方法得到的阻水透油覆膜砂。本发明提供的覆膜砂结合机械防砂施工或工具，可以通过改善油水渗透率，实现出砂、高含水油井的原油的高效开发。
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