A proppant for oil fracturing and a method for preparing the same
By using modified fly ash as the core and combining it with the design of reinforcing and coating layers, the problems of low strength, high density and poor conductivity of proppant for oil fracturing have been solved, achieving low density, high strength and good conductivity, and the preparation process has low energy consumption.
CN117821054BActive Publication Date: 2026-07-21CHENGDE DONGWEI NEW MATERIAL TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHENGDE DONGWEI NEW MATERIAL TECH CO LTD
- Filing Date
- 2023-12-29
- Publication Date
- 2026-07-21
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Figure CN117821054B_ABST
Abstract
The application discloses a kind of petroleum fracturing proppant and preparation method thereof, it is related to petroleum proppant technical field, to solve the technical problems of low strength, large density, poor flow conductivity and high energy consumption of existing petroleum fracturing proppant.The structure of the petroleum fracturing proppant is sequentially from inside to outside core body, reinforcing layer, coating layer and post-processing layer;Among them: the core body is modified fly ash;Reinforcing layer is prepared by the reaction of powder material, modified epoxy resin, epoxy resin curing agent and first dispersant;Coating layer is prepared by the reaction of phenolic resin and phenolic resin curing agent;Post-processing layer includes second dispersant.The technical scheme provided by the application is used for preparing petroleum fracturing proppant.
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