Radiographic observation of liquid filtration through an oil-bearing rock

A simple radiographic procedure was developed for observing the shape and position of liquid boundaries inside a low-porosity compact medium at the impregnation stage. Tests were performed using purified dried sample of sandstone taken from the Mortym'ya-Teterevskoe deposit. During impregnation...

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Published in:Journal of applied mechanics and technical physics 1998-05, Vol.38 (6), p.963-970
Main Author: Pal'chikov, E I
Format: Article
Language:English
Subjects:
Capillarity
Computerized tomography
Crude petroleum
Filtration
Gravitational effects
Impregnation
Mathematical models
Mechanical permeability
Porosity
Sandstone
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creator Pal'chikov, E I
description A simple radiographic procedure was developed for observing the shape and position of liquid boundaries inside a low-porosity compact medium at the impregnation stage. Tests were performed using purified dried sample of sandstone taken from the Mortym'ya-Teterevskoe deposit. During impregnation of dry sample, the position of the liquid was determined by capillary effects. The correction due to gravity forces was 10-20%. The state of equilibrium was attained within about 24 h. After attainment of equilibrium, a gradual decrease in the average concentration of each of the components from 100% to 0 along the entire sample was observed. These results indicate that the radiographic procedure can be used for measurements and accurate diagnostics of fluid flows in models of an oil collector.
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source Springer Nature
subjects Capillarity
Computerized tomography
Crude petroleum
Filtration
Gravitational effects
Impregnation
Mathematical models
Mechanical permeability
Porosity
Sandstone
title Radiographic observation of liquid filtration through an oil-bearing rock
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