FIELD: oil industry; physics.
SUBSTANCE: invention relates to laboratory research and analysis of oil recovery enhancers. Disclosed is a method for making a micro-model of a porous rock with a mineral coating, which consists in the fact that an electronic image of the microfluid model is formed, reproducing the structure/morphology of the rock sample, printing a microfluidic model from an optically transparent photopolymer on 3D printer, exposing the microfluidic model to ultraviolet light, a layer of suspension based on a solution containing tetraethylorthosilicate and particles of minerals, such as silica or alumina, is deposited on the surface of the microfluid model; the microfluid model is dried in a drying cabinet.
EFFECT: improving efficiency of chemical methods of increasing oil recovery, which consists in reducing material and time costs for laboratory studies of new reagents for methods of increasing oil recovery.
6 cl, 2 dwg, 1 ex
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