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Oil-soluble coated particle flow modifier for fractured-vuggy carbonate reservoir and preparation method and use thereof

  • US 10,442,976 B1
  • Filed: 02/14/2019
  • Issued: 10/15/2019
  • Est. Priority Date: 10/31/2018
  • Status: Active Grant
First Claim
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1. An oil-soluble coated particle flow modifier, wherein the coated particle flow modifier is of a core-shell structure having a core layer of coated core and a shell layer of a coating agent, wherein, the coated core is made of a plugging material, and the coating agent comprises petroleum resin, hollow beads, and cotton linters;

  • based on the total weight of the coated particle flow modifier, the content of the petroleum resin is 10-40 wt %, the content of the hollow beads is 9-40 wt %, the content of the cotton linters is 1-10 wt %, and the content of the coated cores is 35-80 wt %.

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