The reaction rate constant is a powerful tool for improving the efficiency of acid treatments, which is used both for selecting optimal acid compositions and for mathematical modeling. However, there are still no unified methods and tools for its determination, which leads to low reproducibility of experiments and difficulties in interpreting the results. To improve the processes of studying the kinetics of the reaction of acid with carbonate rock, together with AO "Geologika", a volumetric installation "PIK-OSG" was designed and manufactured, a special algorithm for processing data was developed. A series of test experiments were carried out, a method was proposed to reduce the error by pressing the disintegrated core into tablets. Keywords: acid treatments; reaction kinetics; reaction rate constant; volumetric setup; laboratory studies.
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