Assessment of the Saturation Characteristics of Reservoir Using Core Analysis Data and Relative Permeability Curves

V. I. Luppov

Abstract


In the reservoir, an oil – water contact (OWC) is commonly not fairly sharp. This is a transition zone, where the oil-water content varies gradually. A thickness of the transition zone may be from meter up to ten meters depending on geological characteristics of reservoir rock, and physical and chemical properties of oil and stratal water. The main aim of this work is an estimation of remaining and current water saturation in the zone of critical oil saturation, critical water saturation at the oil-water contact zone, and oil saturation at different distance from the OWC.

Keywords


oil - water contact; water saturation; capillary pressure; borehole core; transition zone

References


Gimatudinov Sh.k., Shirkovskiy А.M. 1982. Fizika neftyanogo i gazovogo plasta [Physics of oil and gas reservoir]. Nedra, Moskva, p. 324. (in Russian)

Glushkov D.V., Kostitsyn V.I. 2015. Vliyanie faktora vremeni na dostovernost vydeleniya neftenasyshchennosti kollektorov po dannym fotografirovaniya kerna v dnevnom i ultrofioletovom svete [Influence of time factor on authenticity of selection of oil-saturated reservoirs from the core photographing in the daily and ultraviolet light]. Karotazhnik. 10:54–64. (in Russian)

Grishchenko M.A. 2008. Sovremennye podkhody k modelirovaniyu neftenasyshchennosti slozhnopostroennykh zalezhey s tselyu sozdaniya gidrodinamicheskikh modeley [The modern approach to the modeling of oil saturation of complicated reservoirs aimed to the development of the hydrodynamic models]. Geologiya nefti i gaza. 5:8–15. (in Russian)

Gudok N.S., Bogdanovich N.N., Martynov V.G. 2007. Opredelenie fizicheskikh svoystv neftevodosoderzhashchikh porod [Determination of physical properties of the oil-bearing rocks]. Uch. Posob. Nedra-Biznestsentr, Moskva, p. 592. (in Russian)

Dyakonova t.f., Bilibin S.I., Dubina A.M., Isakova T. G., Ukhanova E. A. 2004. Problemy obosnovaniya vodoneftyanogo kontakta po materialam geofizicheskikh issledovaniy skvazhin pri postroenii detalnykh geologicheskikh modeley [Problems of identification of the oilwater contact using geophysical logging data for development of the detail geological models]. Karotazhnik. 3–4 (116–117):83–97. (in Russian)

Latysheva M.G., Martynov V.G., Sokolova T.F. Prakticheskoe rukovodstvo po interpretatsii dannykh GIS [Practical guidebook for interpretation of geophysical logging data]. Uchebn. Pos. Nedra-Biznestsentr, Moskva, p. 327. (in Russian)

Metodicheskie rekomendatsii po podschyotu geologicheskikh zapasov nefti i gaza obyomnym metodom [Methodical recommendations on the calculation of geological reserves of oil and gas by the volumetric method]. V.I. Petersil'e, V.I. Poroskuna, G.G. Yatsenko. (Eds.). VNIGNI, NPC «Tver'geofizika», Moskva, 2003.

Nekrasov A.S. Luppov, V.I. 2016. Obosnovanie polozheniya vodoneftyanogo kontakta zalezhi nefti i gaza s ispolzovaniem krivykh otnositelnykh fazovykh pronitsaemostey [Rationale of the oil-water contact location at the oil and gas reservoirs using the relative phase permeability curves]. Karotazhnik. 10:65-73. (in Russian)

Petersilye V.I., Belov Yu.A., Veselov M.F., Gorbunova S.P. 1982. K voprosu otsenki parametrov perekhodnoy zony s ispolzovaniem krivykh kapilyarnogo davleniya [To the problem of estimation of transition zone parameters using the curves of capillary pressure]. In Trudy VNIGNI. Moskva, 242:63–70. (in Russian)

Pirson S.J. 1958. Oil reservoir engineering. McGraw-Hill, New York, p. 735.




DOI: http://dx.doi.org/10.17072/psu.geol.16.1.77

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