Methodological features of studying the water content in solid materials with closed porosity
Zaporozhskaya A.A., Marachovskiy P.C., Shorstov S.Yu. Methodological features of studying the water content in solid materials with closed porosity // Proceedings of VIAM. 2024. No. 1. DOI: 10.18577/2307-6046-2024-0-1-92-100. URL: https://test.viam.ru/en/journal/2024/1/9
Keywords
oil bearing rock, light hydrocarbons, porosity, core, petroleum fluids, water cut
Abstract
A method for the quantitative determination of water and qualitative content of hydrocarbons in oil-bearing rock is proposed using methods of simultaneous thermal analysis and gas chromatography with mass selective detection. A method for analyzing water and light hydrocarbons has been selected. A calibration characteristic was constructed to determine the quantitative water content. Samples of two rock types, namely, bituminous silicite and calcareous siliceous dolomite, were studied. There were developed dependencies of mass loss on temperature and time during gravimetric research. Using the results obtained, the water content in the oil-bearing rock was assessed. The error of the analysis method was calculated.
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