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Petrophysical model of complicated layers by the example of Vikul suite of Krasnoleninsk arch

Authors: A.V. Akin’shin, V.A. Efimov (Tyumen Branch of SurgutNIPIneft, RF, Surgut)

Keywords: microlayering, shaliness, heterogeneity of saturation, petrophysical model, algorithm of interpretation.

The petrophysical model and the ability to create algorithms of wells geophysical research data interpretation for thinly bedded rocks is considered. It is shown that thin bedding account on the basis of application of advanced complex of geophysical research at interpreting increases the reliability of determining the reservoirs porosity coefficient.

References

1. Astashkin D.A., Razrabotka petrofizicheskoy modeli neodnorodnykh peschano-alevritovykh porod-kollektorov s tsel'yu povysheniya dostovernosti kolichestvennoy interpretatsii dannykh GIS (na primere nekotorykh mestorozhdeniy Zapadnoy i Vostochnoy Sibiri) (The development of petrophysical models of heterogeneous sandstone-siltstone reservoir rocks to improve the reliability of the quantitative interpretation of geophysical data (for example, some fields in Western and Eastern Siberia)): Thesis of candidate of geological-mineralogical sciences, Moscow, 2005.

2. Darling T., Well logging and formation evaluation, Elsevier Science, 336 p.

3. Dakhnov V.N., Interpretatsiya rezul'tatov geofizicheskikh issledovaniy razrezov skvazhin (Interpretation of geophysical well log), Moscow: Nedra, 1982, 448 p.

4. Efimov V.A., Petrofizicheskie modeli slozhno postroennykh glinistykh kollektorov dlya otsenki ikh neftegazonasyshcheniya po dannym elektrometrii skvazhin (Petrophysical model of complicated clay collectors for their estimates of oil and gas saturation according to wells electrometry): Thesis of candidate of geological-mineralogical sciences, Tyumen': Publ. of TyumII im. Leninskogo komsomola, 1984.

5. Lopatin A.Yu., Medvedev A.L., Masalkin Yu.V., Valensiya R., Metodika interpretatsii dannykh GIS v poligeneticheskikh otlozheniyakh vikulovskoy svity mestorozhdeniya Kamennoe (tonkosloistye shtormovye otlozheniya i kompleks zapolneniya vrezannoy doliny) (Methods of interpreting the geophysical data in the polygenetic sediments of Vikulov formation of Kamennoe field (thin-bedded storm deposits and a complex incised valley fill)), SPE 115490, 2008.

6. Romanov E.A., Geologo-fizicheskie osobennosti glinistykh nizkopronitsaemykh kollektorov alymskoy svity Nizhnevartovskogo svoda i ikh uchet pri podschete zapasov nefti (Geological and physical features of clayed and low permeability reservoirs of Alym formaton of Nizhnevartovsk arch and their account in the calculation of oil reserves): Thesis of candidate of geological-mineralogical sciences, Tyumen': Publ. of SibNIINP, 1985.

Keywords: microlayering, shaliness, heterogeneity of saturation, petrophysical model, algorithm of interpretation.

The petrophysical model and the ability to create algorithms of wells geophysical research data interpretation for thinly bedded rocks is considered. It is shown that thin bedding account on the basis of application of advanced complex of geophysical research at interpreting increases the reliability of determining the reservoirs porosity coefficient.

References

1. Astashkin D.A., Razrabotka petrofizicheskoy modeli neodnorodnykh peschano-alevritovykh porod-kollektorov s tsel'yu povysheniya dostovernosti kolichestvennoy interpretatsii dannykh GIS (na primere nekotorykh mestorozhdeniy Zapadnoy i Vostochnoy Sibiri) (The development of petrophysical models of heterogeneous sandstone-siltstone reservoir rocks to improve the reliability of the quantitative interpretation of geophysical data (for example, some fields in Western and Eastern Siberia)): Thesis of candidate of geological-mineralogical sciences, Moscow, 2005.

2. Darling T., Well logging and formation evaluation, Elsevier Science, 336 p.

3. Dakhnov V.N., Interpretatsiya rezul'tatov geofizicheskikh issledovaniy razrezov skvazhin (Interpretation of geophysical well log), Moscow: Nedra, 1982, 448 p.

4. Efimov V.A., Petrofizicheskie modeli slozhno postroennykh glinistykh kollektorov dlya otsenki ikh neftegazonasyshcheniya po dannym elektrometrii skvazhin (Petrophysical model of complicated clay collectors for their estimates of oil and gas saturation according to wells electrometry): Thesis of candidate of geological-mineralogical sciences, Tyumen': Publ. of TyumII im. Leninskogo komsomola, 1984.

5. Lopatin A.Yu., Medvedev A.L., Masalkin Yu.V., Valensiya R., Metodika interpretatsii dannykh GIS v poligeneticheskikh otlozheniyakh vikulovskoy svity mestorozhdeniya Kamennoe (tonkosloistye shtormovye otlozheniya i kompleks zapolneniya vrezannoy doliny) (Methods of interpreting the geophysical data in the polygenetic sediments of Vikulov formation of Kamennoe field (thin-bedded storm deposits and a complex incised valley fill)), SPE 115490, 2008.

6. Romanov E.A., Geologo-fizicheskie osobennosti glinistykh nizkopronitsaemykh kollektorov alymskoy svity Nizhnevartovskogo svoda i ikh uchet pri podschete zapasov nefti (Geological and physical features of clayed and low permeability reservoirs of Alym formaton of Nizhnevartovsk arch and their account in the calculation of oil reserves): Thesis of candidate of geological-mineralogical sciences, Tyumen': Publ. of SibNIINP, 1985.


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