Measuring of residual hydrocarbon saturation by direct-flow capillary imbibition method

Authors: M.N. Bolshakov, N.A. Skibitskaya, V.A. Kuzmin, O.O. Marutyan (Oil and Gas Research Institute of RAS, RF, Moscow)

Key words: residual hydrocarbon saturation, direct-flow capillary imbibition, dynamic porosity.

The authors describe conception of structure-trapped volumes in oil-and-gas saturated rock pore space, forming due to big ratio (>>1) of pore and capillaries sections. An experimental method of structure-trapped oil-and-gas saturation index and dynamic porosity index measuring is brought in the article. Proposed method is found on direct-flow capillary imbibition phe­nomenon using proprietary laboratory facility. Filling field geological model with measured parameters (residual structure-trapped hydrocarbon saturation, dy­namic porosity, and direct-flow capillary imbibition speed) will give a possi­bility to allocate the most attractive zones with big residual structure-trapped re­serves, correct hydrodynamic model and make a choice of production technologies in allocated zones on a case-by-case basis.
References
1. Bol'shakov A.M., Zakharova M.I., Problemy analiza riska – Issues of risk analysis,
2012, V. 9, no. 3, pp. 22 – 33.
2. Bolshakov A., Zakharova M., Definition of possible scenarios of occurrence,
development and realization probability of emergencies on dangerous industrial
objects at low temperatures of exploitation, Journal of International Scientific
Publications: Materials, Methods & Technologies: Publishing by Info Invest
Bulgaria, 2012, V. 6, Part 3, pp. 4-16.
3. Makhutov N.A., Lyglaev A.V., Bol'shakov A.M., Zavodskaya laboratoriya. Diagnostika materialov - Industrial Laboratory, 2011, V. 77, no. 1, pp. 49-53.
4. Akimov V.A., Lapin V.L., Popov V.M., Puchkov V.A., Tomakov V.I., Faleev M.I., Nadezhnost' tekhnicheskikh sistem i tekhnogennyy risk (Reliability of technical
systems and technological risk), Moscow: Delovoy ekspress Publ., 2002, 368 p.

Key words: residual hydrocarbon saturation, direct-flow capillary imbibition, dynamic porosity.

The authors describe conception of structure-trapped volumes in oil-and-gas saturated rock pore space, forming due to big ratio (>>1) of pore and capillaries sections. An experimental method of structure-trapped oil-and-gas saturation index and dynamic porosity index measuring is brought in the article. Proposed method is found on direct-flow capillary imbibition phe­nomenon using proprietary laboratory facility. Filling field geological model with measured parameters (residual structure-trapped hydrocarbon saturation, dy­namic porosity, and direct-flow capillary imbibition speed) will give a possi­bility to allocate the most attractive zones with big residual structure-trapped re­serves, correct hydrodynamic model and make a choice of production technologies in allocated zones on a case-by-case basis.
References
1. Bol'shakov A.M., Zakharova M.I., Problemy analiza riska – Issues of risk analysis,
2012, V. 9, no. 3, pp. 22 – 33.
2. Bolshakov A., Zakharova M., Definition of possible scenarios of occurrence,
development and realization probability of emergencies on dangerous industrial
objects at low temperatures of exploitation, Journal of International Scientific
Publications: Materials, Methods & Technologies: Publishing by Info Invest
Bulgaria, 2012, V. 6, Part 3, pp. 4-16.
3. Makhutov N.A., Lyglaev A.V., Bol'shakov A.M., Zavodskaya laboratoriya. Diagnostika materialov - Industrial Laboratory, 2011, V. 77, no. 1, pp. 49-53.
4. Akimov V.A., Lapin V.L., Popov V.M., Puchkov V.A., Tomakov V.I., Faleev M.I., Nadezhnost' tekhnicheskikh sistem i tekhnogennyy risk (Reliability of technical
systems and technological risk), Moscow: Delovoy ekspress Publ., 2002, 368 p.


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