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Systematic approach to studying of carbonate source rock of petroleum of gas-and-oil field in the Orenburg Region

Authors: R.S. Khisamov (Tatneft OAO, RF, Almetyevsk), V.G. Bazarevskaya (TatNIPIneft, RF, Bugulma), I.O. Burkhanova, N.A. Skibitskaya, V.A. Kuzmin (Oil and Gas Research Institute of RAS, RF, Moscow), B.A. Nikulin (Lomonosov Moscow State University, RF, Moscow)

Key words: petroleum source rock, petrophysical survey, geochemical survey, geophysical survey, electron microscopic study.

Complex analysis of core samples from carbonate petroleum source rock of the Artinskian stage of Dimitrovskoye gas-and-oil field in the Orenburg Region enabled to determine the lithology of rocks under study, the structure of reservoir storage volume, and reveal the patterns of organic matter distribution. As a result of integrated petrophysical, geochemical, geophysical and electron microscopic studies, relationships between organic matter content and concentration of normally occurring radioactive elements were identified. Recommendations on standard and extended well logging suite are given.

References
1. Dmitrievskiy A.N. et al., Collected papers “Fundamental'nye problemy geologii
i geokhimii nefti i gaza i razvitiya neftegazovogo kompleksa Rossii” (Fundamental
problems of oil and gas geology and geochemistry and development
of Russian oil and gas complex): edited by Dmitrievskiy A.N., Kontorovich
A.E., Moscow: GEOS Publ., 2007, 391 p.
2. Skibitskaya N.A. et al., Proceedings of International Conference
“Petrofizika: sovremennoe sostoyanie, problemy, perspektivy” (Petrophysics:
current status, problems and prospects), Moscow, 2010, pp. 104–107.
3.Metodicheskie rekomendatsii po opredeleniyu podschetnykh parametrov
zalezhey nefti i gaza po materialam geofizicheskikh issledovaniy skvazhin s
privlecheniem rezul'tatov analizov kerna, oprobovaniy i ispytaniy produktivnykh
plastov (Guidelines to determine the volumetric parameters oil and
gas deposits based on well logging with the involvement of the core analysis
results, sampling and testing of productive formations): edited by
Vendel'shteyn B.Yu., Kozyar V.F., Yatsenko G.G., Kalinin: Publ. of Soyuzpromgeofizika, 1990, 261 p.
4. Panteleev A.S., Geologicheskoe stroenie i neftegazonosnost' Orenburgskoy
oblasti (Geological structure and hydrocarbon potential of the Orenburg region),
Orenburg: Orenburgskoe knizhnoe izdatel'stvo Publ., 1997, 265 p.
5. Smyslov A.A., Uran i toriy v zemnoy kore (Uranium and thorium in the Earth's
crust), Leningrad: Nedra Publ., 1974, 231 p.
6. Dobrynin V.M., Vendel'shteyn B.Yu., Kozhevnikov D.A., Petrofizika (fizika
gornykh porod) (Petrophysics (physics of rocks)), Moscow: Neft' i gaz Publ.,
2004, 368 p.
7. Arbuzov S.I., Volostnov A.V., Izvestiya Tomskogo politekhnicheskogo universiteta – Bulletin of the Tomsk Polytechnic University, 2003, V. 306, no. 6, pp. 12–17.
8. Ermolaeva V.N., Chukanov N.V., Pekov I.V., Proceedings of All-Russian seminar “Geokhimiya magmaticheskikh porod” (Geochemistry of magmatic rocks), Moscow, 2005, pp. 53–55. 

Key words: petroleum source rock, petrophysical survey, geochemical survey, geophysical survey, electron microscopic study.

Complex analysis of core samples from carbonate petroleum source rock of the Artinskian stage of Dimitrovskoye gas-and-oil field in the Orenburg Region enabled to determine the lithology of rocks under study, the structure of reservoir storage volume, and reveal the patterns of organic matter distribution. As a result of integrated petrophysical, geochemical, geophysical and electron microscopic studies, relationships between organic matter content and concentration of normally occurring radioactive elements were identified. Recommendations on standard and extended well logging suite are given.

References
1. Dmitrievskiy A.N. et al., Collected papers “Fundamental'nye problemy geologii
i geokhimii nefti i gaza i razvitiya neftegazovogo kompleksa Rossii” (Fundamental
problems of oil and gas geology and geochemistry and development
of Russian oil and gas complex): edited by Dmitrievskiy A.N., Kontorovich
A.E., Moscow: GEOS Publ., 2007, 391 p.
2. Skibitskaya N.A. et al., Proceedings of International Conference
“Petrofizika: sovremennoe sostoyanie, problemy, perspektivy” (Petrophysics:
current status, problems and prospects), Moscow, 2010, pp. 104–107.
3.Metodicheskie rekomendatsii po opredeleniyu podschetnykh parametrov
zalezhey nefti i gaza po materialam geofizicheskikh issledovaniy skvazhin s
privlecheniem rezul'tatov analizov kerna, oprobovaniy i ispytaniy produktivnykh
plastov (Guidelines to determine the volumetric parameters oil and
gas deposits based on well logging with the involvement of the core analysis
results, sampling and testing of productive formations): edited by
Vendel'shteyn B.Yu., Kozyar V.F., Yatsenko G.G., Kalinin: Publ. of Soyuzpromgeofizika, 1990, 261 p.
4. Panteleev A.S., Geologicheskoe stroenie i neftegazonosnost' Orenburgskoy
oblasti (Geological structure and hydrocarbon potential of the Orenburg region),
Orenburg: Orenburgskoe knizhnoe izdatel'stvo Publ., 1997, 265 p.
5. Smyslov A.A., Uran i toriy v zemnoy kore (Uranium and thorium in the Earth's
crust), Leningrad: Nedra Publ., 1974, 231 p.
6. Dobrynin V.M., Vendel'shteyn B.Yu., Kozhevnikov D.A., Petrofizika (fizika
gornykh porod) (Petrophysics (physics of rocks)), Moscow: Neft' i gaz Publ.,
2004, 368 p.
7. Arbuzov S.I., Volostnov A.V., Izvestiya Tomskogo politekhnicheskogo universiteta – Bulletin of the Tomsk Polytechnic University, 2003, V. 306, no. 6, pp. 12–17.
8. Ermolaeva V.N., Chukanov N.V., Pekov I.V., Proceedings of All-Russian seminar “Geokhimiya magmaticheskikh porod” (Geochemistry of magmatic rocks), Moscow, 2005, pp. 53–55. 


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