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    • 7. 发明公开
    • METHOD OF PRODUCING A DRAG REDUCER
    • EP4105543A1
    • 2022-12-21
    • EP20936318.3
    • 2020-07-10
    • Iris Tech, Inc.
    • PALEY, Ruslan Vladimirovich
    • F17D1/16C08L91/06C10L1/16
    • This invention is used in the field of inorganic and polymer chemistry, namely in the field of transportation of oil and petroleum products using pipelines.
      It is a method for the preparation of a reagent for reducing the hydrodynamic drag of a turbulent flow of liquid hydrocarbons in pipelines, characterized by a high polymer content of at least 75 wt %, including mixing a 0.1 - 1.5 mm polymer reducing the hydrodynamic drag of a turbulent flow of liquid hydrocarbons with polymer non-solving solvents. The prepared product is a commodity form of the reagent with a high polymer content of at least 75 wt % used to reduce the hydrodynamic drag of the flow of liquid hydrocarbons in pipelines. The product prepared according to the described method is injected into the flow of hydrocarbon fluid transported through the pipeline using the injection apparatus that mechanically moves the product using a screw auger or screw feeder.
      The technical result of the invention is to prepare a product, which has a great amount of an active substance, which is stable and can be injected into the pipeline for transportation of oil or gas condensate under high pressure, which makes it possible to reduce the drag of the flow of pumped oil or gas condensate, as well as a to reduce the product cost and cost of transporting oil and gas condensate.