Experimental studying of influence of scale effects on characteristics of a two-phase filtration

Authors: N.N. Mikhaylov (Gubkin Russian State University of Oil and Gas, RF, Moscow), I.P. Gurbatova (PermNIPIneft Branch of LUKOIL-Engineering LLC in Perm, RF, Perm)

Key words: two-phase filtration, relative rock permeability, scale effect.

Influence of large-scale effects on relative phase permeability is experimentally studied. It is established that manifestation of scale effect is caused by distinction of microstructures in samples of the various size. Characteristics of influence of scale effects on function of relative permeability are shown.

References

References

1. Mikhaylov N.N., Ostatochnoe neftenasyshchenie razrabatyvaemykh plastov (The residual oil saturation of reservoirs under development), Moscow: Nedra Publ., 1992, 272 p.

2. Mikhaylov N.N., Pronitsaemost' plastovykh sistem (The permeability of stratum systems), Moscow: Publ. of Gubkin Russian State University of Oil and Gas, 2006, 185 p.

3. Mikhaylov N.N., Gurbatova I.P., Proceedings of the VII International Technology Symposium “Novye tekhnologii osvoeniya i razrabotki trudnoizvlekaemykh zapasov nefti i gaza i povysheniya nefteotdachi” (New technologies of exploration and development of stranded oil and gas and enhanced oil recovery), Moscow, 2008, pp. 184-192

4. Gurbatova I.P., Mikhaylov N.N., Proceedings of the II International Scientific Symposium “Teoriya i praktika primeneniya metodov uvelicheniya nefteotdachi plastov” (The theory and practice of enhanced oil recovery), Moscow, 2009, pp. 98-105.

5. Mikhaylov N.N., Gurbatova I.P., Tekhnologii nefti i gaza – Science and Technology of Hydrocarbons, 2011, no. 4 (75), pp. 32-35.

6. Gurbatova I.P., Kuz'min V.A., Mikhaylov N.N., Geologiya nefti i gaza - The journal Oil and Gas Geology, 2011, no. 2, pp. 74-82.

7. Mikhaylov N.N., Fizika neftyanogo i gazovogo plasta (Physics of the oil and gas reservoir), Moscow: MAKS Press Publ., 2008, 448 p.

8. Metodicheskie rekomendatsii po podschetu geologicheskikh zapasov ob"emnymi metodami (Guidelines for the estimation of geological reserves by volumetric method): edited by Petersil'e V.I., Poroskun V.I., Yatsenko G.G., Moskva-Tver': Publ. of NPTs “Tver'geofizika”, 2003, 130 p.

9. Advances in Core Evaluation. Accuracy and Precision in Reserves Estimation. Reviewed Proceedings of the First Society of Core Analysts European Core Analysis Symposium. London, UK, 1990, 555 p.

10. Fulcher R.A., Ertekin Т., Stahl C.D. Effect of Capillary Number and Its Constituents on Two Phase Relative Permeability Curves // J. of Petroleum Technology — Number 2, February 1985, p. 249-260.

11. Peter A. O'Connor. Constant-Pressure Measurement of Steam-Water Relative Permeability. Stanford University, Stanford, California, June 2001, 70 p.

12. Recommended Practice for Core Analysis. API. RP 40, second edition, February 1998.

Key words: two-phase filtration, relative rock permeability, scale effect.

Influence of large-scale effects on relative phase permeability is experimentally studied. It is established that manifestation of scale effect is caused by distinction of microstructures in samples of the various size. Characteristics of influence of scale effects on function of relative permeability are shown.

References

References

1. Mikhaylov N.N., Ostatochnoe neftenasyshchenie razrabatyvaemykh plastov (The residual oil saturation of reservoirs under development), Moscow: Nedra Publ., 1992, 272 p.

2. Mikhaylov N.N., Pronitsaemost' plastovykh sistem (The permeability of stratum systems), Moscow: Publ. of Gubkin Russian State University of Oil and Gas, 2006, 185 p.

3. Mikhaylov N.N., Gurbatova I.P., Proceedings of the VII International Technology Symposium “Novye tekhnologii osvoeniya i razrabotki trudnoizvlekaemykh zapasov nefti i gaza i povysheniya nefteotdachi” (New technologies of exploration and development of stranded oil and gas and enhanced oil recovery), Moscow, 2008, pp. 184-192

4. Gurbatova I.P., Mikhaylov N.N., Proceedings of the II International Scientific Symposium “Teoriya i praktika primeneniya metodov uvelicheniya nefteotdachi plastov” (The theory and practice of enhanced oil recovery), Moscow, 2009, pp. 98-105.

5. Mikhaylov N.N., Gurbatova I.P., Tekhnologii nefti i gaza – Science and Technology of Hydrocarbons, 2011, no. 4 (75), pp. 32-35.

6. Gurbatova I.P., Kuz'min V.A., Mikhaylov N.N., Geologiya nefti i gaza - The journal Oil and Gas Geology, 2011, no. 2, pp. 74-82.

7. Mikhaylov N.N., Fizika neftyanogo i gazovogo plasta (Physics of the oil and gas reservoir), Moscow: MAKS Press Publ., 2008, 448 p.

8. Metodicheskie rekomendatsii po podschetu geologicheskikh zapasov ob"emnymi metodami (Guidelines for the estimation of geological reserves by volumetric method): edited by Petersil'e V.I., Poroskun V.I., Yatsenko G.G., Moskva-Tver': Publ. of NPTs “Tver'geofizika”, 2003, 130 p.

9. Advances in Core Evaluation. Accuracy and Precision in Reserves Estimation. Reviewed Proceedings of the First Society of Core Analysts European Core Analysis Symposium. London, UK, 1990, 555 p.

10. Fulcher R.A., Ertekin Т., Stahl C.D. Effect of Capillary Number and Its Constituents on Two Phase Relative Permeability Curves // J. of Petroleum Technology — Number 2, February 1985, p. 249-260.

11. Peter A. O'Connor. Constant-Pressure Measurement of Steam-Water Relative Permeability. Stanford University, Stanford, California, June 2001, 70 p.

12. Recommended Practice for Core Analysis. API. RP 40, second edition, February 1998.



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