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Analysis of phase-permeability function of oil-saturated reservoirs of the Eastern part of Orenburg oil and gas-condensate field

UDK: УДК 622.276.031.011.433
Key words: oil, analysis, of variability parameter, oil saturation, water saturation, permeability
Authors: I.I. Mustakimov (Kazan (Volga Region) Federal University, RF, Kazan), A.V. Tudvachev, P.K. Konosavsky (Saint-Petersburg State University, RF, Saint-Petersburg)
Calculated dependences for more than 40 laboratory determinations of the relative permeability to fluids (oil, gas, water) for the Eastern sector of the Orenburg gas condensate field were built. According to the results of approximation of laboratory data the dependence of the variable parameter on the coefficient of effective porosity was set. According to the results of approximation, it was found that the variable parameters of the Stone’s depending for water and oil are well correlated with the residual water saturation of the samples and indicate satisfactory correlation between each other. The dependence of the variable Stone’s parameters on water from the oil was also built. With the increase in the value of variable parameter for oil the variable parameter for the water increases, and that satisfies the laboratory data of the empirical Stone’s relationships.
References
1. Gimatudinov Sh.K., Fizika neftyanogo i gazovogo plasta (Physics of oil and
gas reservoir), Moscow: Nedra Publ., 1971, 312 p.
2. Charnyy I.A., Podzemnaya gidrodinamika (Underground hydrodynamics),
Moscow: Gostoptekhizdat Publ., 1963, 397 p.
3. Tudvachev A. V., Konosavskiy P.K., Analysis and prediction of the relative
permeability dependence of oil-saturated reservoir on the example of deposits
Surgut and Vartovsk arches in the West Siberian petroleum province
(In Russ.), Vestnik Sankt-Peterburgskogo universiteta. Seriya 7. Geologiya. Geografiya,
2013, V.1, pp. 31-41.
4. Basniev K.S., Dmitriev N.M., Rozenberg G.D., Neftegazovaya
gidromekhanika(Oil and Gas Hydromechanics), Izhevsk: Publ. of Institut Komp'yuternykh
issledovaniy, 2005, 544 p.

Calculated dependences for more than 40 laboratory determinations of the relative permeability to fluids (oil, gas, water) for the Eastern sector of the Orenburg gas condensate field were built. According to the results of approximation of laboratory data the dependence of the variable parameter on the coefficient of effective porosity was set. According to the results of approximation, it was found that the variable parameters of the Stone’s depending for water and oil are well correlated with the residual water saturation of the samples and indicate satisfactory correlation between each other. The dependence of the variable Stone’s parameters on water from the oil was also built. With the increase in the value of variable parameter for oil the variable parameter for the water increases, and that satisfies the laboratory data of the empirical Stone’s relationships.
References
1. Gimatudinov Sh.K., Fizika neftyanogo i gazovogo plasta (Physics of oil and
gas reservoir), Moscow: Nedra Publ., 1971, 312 p.
2. Charnyy I.A., Podzemnaya gidrodinamika (Underground hydrodynamics),
Moscow: Gostoptekhizdat Publ., 1963, 397 p.
3. Tudvachev A. V., Konosavskiy P.K., Analysis and prediction of the relative
permeability dependence of oil-saturated reservoir on the example of deposits
Surgut and Vartovsk arches in the West Siberian petroleum province
(In Russ.), Vestnik Sankt-Peterburgskogo universiteta. Seriya 7. Geologiya. Geografiya,
2013, V.1, pp. 31-41.
4. Basniev K.S., Dmitriev N.M., Rozenberg G.D., Neftegazovaya
gidromekhanika(Oil and Gas Hydromechanics), Izhevsk: Publ. of Institut Komp'yuternykh
issledovaniy, 2005, 544 p.



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