No.2(46),2026 PP.52-96

Neftyanaya provintsiya No. 2(46), 2026

Evolution of Ideas About the Structure of the Oil Reservoir in the Basement Rocks of the Oymash Field (South Mangyshlak)

V.I. Popkov
DOI: https://doi.org/10.25689/NP.2026.2.52-96

Abstract

Declining production and a decrease in the hydrocarbon resource base in the platform cover of oil and gas basins make the search for oil and gas in deep-lying sedimentary complexes and basement rocks an urgent and practically significant task. Despite the discovery of industrial accumulations of hydrocarbons in igneous and metamorphic rocks forming the foundation of sedimentary basins in many oil and gas-bearing regions of the world, there are still no unambiguous solutions to key theoretical problems, such as the conditions and factors controlling the formation of oil and gas reservoirs in them. All this significantly complicates and slows down the exploration process in these promising rock complexes. Solving these issues will allow for more targeted exploration for oil and gas, and increase their efficiency. In recent decades, granitoid intrusions have attracted increased interest, especially after the discovery of large accumulations on the Vietnamese shelf. In this work, the object of research is the Oymashinskoye oil field, which has accumulated quite extensive geological and geophysical material that allows us to determine the patterns of oil placement in the granite massif. In the course of the work, materials from field geophysical studies (seismic, gravity and magnetic exploration), geophysical studies of wells, reservoir testing and testing work in wells, data on the reservoir properties of rocks, and the composition of reservoir fluids were analyzed. The factors controlling the formation of the capacitive properties of the granite massif are considered. A model of the structure of an oil reservoir in igneous rocks is proposed. Recommendations for additional exploration of the field have been made. The results obtained can be used in the practice of geological exploration in other oil and gas regions.

Key words:

granite intrusion, reservoir rock, reservoir, oil accumulation, oil and gas potential

References

1. Muslimov R.KH. Potencial fundamenta neftegazonosnykh bassejnov – rezerv popolneniya resursov uglevodorodnogo syr'ya v XXI veke
[The potential of the foundation of oil and gas basins is a reserve for replenishing hydrocarbon resources in the 21st century] // Georesury. - 2003. - T. 12. - № 4. рр. 2-5. (in Russian)

2. Muslimov R.KH., Plotnikova I.N. Kristallicheskij fundament osadochnykh bassejnov – klyuch k ponimaniyu processov naftidogeneza
[The crystalline basement of sedimentary basins is the key to understanding the processes of naphthygenesis] // Uglevodorodnyj i mineral'no-syr'evoj potencial kristallicheskogo fundamenta. Kazan': Ikhlas, 2019. - рр. 237-240. (in Russian)

3. Popkov V.I. Perspektivy poiskov zalezhej nefti i gaza v porodakh fundamenta Mangyshlaka [Prospects for searching for oil and gas deposits in the rocks of the Mangyshlak foundation] // Osvoenie neftyanogo Mangyshlaka. Groznyj, 1981. - рр. 7-11. (in Russian)

4. Bogoyavlenskij V.I., Dzyublo A.D., Ivanov A.N., Bogoyavlenskij I.V., Nikonov R.A. Neftegaznosnost' kristallicheskogo fundamenta shel'fa V'etnama: Belyj Tigr i Drakon [Oil and Gas Potential of the Crystalline Foundation of the Vietnam Shelf: The White Tiger and the Dragon] // Geologiya nefti i gaza. - 2016. - № 5. - рр. 15-19. (in Russian)

5. Gavrilov V.P. Neftegazonosnost' granitov [Oil and gas content of granites] // Geologiya nefti i gaza. - 2000. - № 6. - рр. 44-49. (in Russian)

6. Goryunov E.YU., Nguen M.KH. Osnovnye cherty i zakonomernosti stroeniya mestorozhdenij nefti i gaza v fundamente Kyulongskoj vpadiny (V'etnam) [Main features and patterns of the structure of oil and gas deposits in the foundation of the Kyulong Depression (Vietnam)] // Geologiya nefti i gaza. - 2018. - № 2. - рр. 97-103. DOI: 10.31087/0016-7894-2018-2-97-103. (in Russian)

7. Pospelov V.V. Petrofizicheskaya model' i fil'tracionno-emkostnye svojstva porod fundamenta yuzhnogo shel'fa V'etnama po kernovym dannym [Petrophysical model and filtration and capacity properties of the rocks of the southern shelf of Vietnam based on core data] // Aktual'nye problemy geologii nefti i gaza / Red. V.P. Gavrilov. M.: Izd-vo “Neft' i gaz”, 2005. - рр. 175-186. (in Russian)

8. Isaev V.I., Nguen H.B. Cavitation in Oil-Gas Reservoirs of the Crystalline Basement from the Well Logging Data on the White Tiger Field in Vietnam // Russian Journal of Pacific Geology. - 2013. - № 7(4). - рр. 237-246. Doi: 10.1134/S1819714013040040.

9. Rabinovich A.A., Popkov V.I. Analiz rezul'tatov opytno-metodicheskikh geologo-geofizicheskikh rabot na Peschanomysskom opornom poligone i razrabotka metodov poiskov skoplenij UV v slozhno-ehkranirovannykh lovushkakh Mangyshlaka [Analysis of the results of experimental and methodological geological and geophysical works at the Peschanomys test site and development of methods for searching for hydrocarbon accumulations in complex-screened traps in Mangyshlak]. Shevchenko: KaZNIPIneft', 1989. - 189 р. (in Russian)

10. Popkov V.I., Rabinovich A.A., Turov N.I. Model' rezervuara neftyanoj zalezhi v granitnom massive [Model of an oil reservoir in a granite massif] // Geologiya nefti i gaza. - 1986. - № 8. - рр. 27-31. (in Russian)

11. Popkov V.I. Neftegazonosnost' granitov (na primere mestorozhdeniya Ojmasha) [Oil and Gas Potential of Granites (Based on the Oymasha Field)] // Genezis nefti i gaza: Materialy Mezhdunarodnoj konferencii. M.: GEOS, 2006. - рр. 140-142. (in Russian)

12. Popkov V.I. Faktory, kontroliruyushchie obrazovanie fil'tracionnykh i emkostnykh svojstv v granitnom massive mestorozhdeniya Ojmasha [Factors controlling the formation of filtration and capacitive properties in the Oymasha granite massif] // Yuzhno-Rossijskij vestnik geologii, geografii i global'noj ehnergii. - 2004. - № 3 (9). - рр. 297-298. (in Russian)

13. Popkov V.I., Popkov I.V. Kontrakciya granitov i formirovanie kollektorov nefti i gaza [Contraction of granites and formation of oil and gas reservoirs] // Geologiya. Izvestiya Otdeleniya nauk o Zemle i prirodnykh resursov Akademii nauk Respubliki Bashkortostan. - 2020. - № 27. - рр. 31-36. (in Russian)

14. Popkov V.I., Popkov I.V. Nekotorye tektonofizicheskie aspekty formirovaniya kollektorov nefti i gaza v granitnom massive [Some tectonophysical aspects of oil and gas reservoir formation in a granite massif] // Pyataya tektonofizicheskaya konferenciya v IFZ RAN. Tektonofizika i aktual'nye voprosy nauk o Zemle: Materialy dokladov vserossijskoj konferencii s mezhdunarodnym uchastiem. M.: IFZ, 2020. - рр. 548-552. (in Russian)

15. Korostyshevskij M.N., Popova L.A. Podschet zapasov nefti i gaza po mestorozhdeniyu Ojmasha Gur'evskoj oblasti Kazakhskoj SSR po sostoyaniyu na 01.07.89g. [Calculation of oil and gas reserves at the Oymasha field in the Guryev region of the Kazakh SSR as of 01.07.89]. Shevchenko: KaZNIPIneft', 1989. - 210 р. (in Russian)

16. Popkov V.I., Yapaskurt O.V. K stroeniyu fundamenta Mangyshlaka [To the foundation structure of Mangyshlak] // Doklady AN SSSR. - 1982. - T. 262. - № 2.рр. 423-425. (in Russian)

17. Popkov V.I., Yapaskurt O.V., Demidov A.A. Osobennosti stroeniya fundamenta Mangyshlaka [To the foundation structure of Mangyshlak] // Izv. AN SSSR. Ser. Geologiya. - 1986. - № 5. – рр. 135-143. (in Russian)

18. Palamar' V.P., Popkov V.I., Prazdnikov A.V., Rabinovich A.A. Prognozirovanie neftegazonosnosti i sovershenstvovanie metodiki poiskov i razvedki skoplenij uglevodorodov i nizkopronicaemykh porodakh [Prediction of oil and gas potential and improvement of methods for searching and exploring hydrocarbon accumulations in low-permeability rocks] // Izv. VUZov. Geologiya i razvedka. - № 3. - 1985. рр. 107-110. (in Russian)

19. Popkov V.I., Timurziev A.I. Otrazhenie granitnykh intruzij fundamenta v rel'efe poluostrova Mangyshlak [Reflection of granite basement intrusions in the relief of the Mangyshlak Peninsula] // Izv. Vuzov. Geologiya i razvedka. - 1983. - № 6. - рр. 142-145. (in Russian)

20. Asmolov V.S. O vozmozhnosti obnaruzheniya na Mangyshlake novykh tipov mestorozhdenij nefti i gaza (na primere mestorozhdeniya Ojmasha) [On the possibility of discovering new types of oil and gas fields in Mangyshlak (using the Oymasha field as an example)] // Inform. listok Mangyshlakskogo CNTI. № 30–31. Shevchenko, 1984. - 6 р. (in Russian)

21. Kozmodem'yanskij V.V. Model' Ojmashinskogo neftyanogo mestorozhdeniya [Model of the Oymashinsky oil field] // Inform. listok Mangyshlakskogo CNTI. № 46–84. Shevchenko, 1984. - 5 р. (in Russian)

22. Cherbyanova L.F., Fedulova N.V., Korostyshevskij M.N. Neftyanaya zalezh' v granitakh mestorozhdeniya Ojmasha [Oil deposit in the granites of the Oymasha deposit] // Izv. AN Kaz. SSR. Ser. Geologiya. - 1988. - № 5. - рр. 67-77. (in Russian)

23. Krymgol'c E.G. Ob uslovii zaleganiya nefti na mestorozhdenii Ojmasha (Yuzhnyj Mangyshlak) [On the condition of oil deposits at the Oymasha field (South Mangyshlak)] // Tr. VNIGRI. L., 1982. - рр. 81-90. (in Russian)

24. Kuprin P.N. Sochlenenie granitov i slancevykh porod na ploshchadi Ojmasha (Yuzhnyj Mangyshlak) [Junction of granites and shale rocks in Oymash (South Mangyshlak)] // Vestnik Moskovskogo universiteta. Ser. 4. Geologiya. - 1985. - № 1. - рр. 35-41. (in Russian)

25. Popkov V.I., Yapaskurt O.V., Klychnikov A.V. Doyurskie obrazovaniya Peschanomyssko-Rakushechnoj zony Yuzhnogo Mangyshlaka [Pre-Jurassic formations of the Peschanomys-Rakushechnaya zone of the Southern Mangyshlak] // Byull.MOIP. Otd. Geol. - 1984. - Vyp. 4. - T. 59. - рр. 95-101. (in Russian)

26. Makhutov K.A. Geologicheskaya model' gazoneftyanogo mestorozhdeniya Ojmasha [Geological model of the Oymash gas-oil field] // Inform. listok Mangyshlakskogo CNTI. № 85. Shevchenko, 1987. - 5 р. (in Russian)

27. Dorofeev V.I., Khasanov B.K. Tekhnologicheskaya skhema razrabotki neftyanogo mestorozhdeniya Ojmasha [Technological scheme for developing the Oymash oil field]. Shevchenko: KaZNIPIneft', 1986. - 235 р. (in Russian)

28. Dorofeev V.I., Dorofeeva L.E., Malyutina A.E Pereschet zapasov nefti i gaza po mestorozhdeniyu Ojmasha [Recalculation of oil and gas reserves at the Oymasha field]. Aktau: KaZNIPIneft', 2001. - 298 р. (in Russian)

29. Krupin A.A. Neftegazonostnost' granitnoj intruzii mestorozhdeniya Ojmasha [Oil and Gas Potential of the Oymash Granite Intrusion] // Elmi Әsәrlәr, Nauchnye trudy. - 2011. - рр.11-17. (in Russian)

30. Krupin A.A., Rykus M.V. Neftegazonosnost' granitov skladchatogo fundamenta Yuzhnogo Mangyshlaka (na primere mestorozhdeniya Ojmasha) [Oil and gas potential of the granites of the folded basement of the Southern Mangyshlak (using the Oymasha field as an example)] // Neftegazovoe delo. – 2011. – T. 9. - № 3. - рр. 13-16. (in Russian)

31. Popkov V.I., Dorofeev V.I., Dorofeeva L.E., Malyutina A.E. Usloviya formirovaniya kollektorov v granitoidnykh massivakh [Conditions for the formation of reservoirs in granitoid massifs] // Novye idei v geologii i geokhimii nefti i gaza. Materialy sed'moj mezhdunarodnoj konferencii. M.: GEOS, 2004. - рр. 406-407. (in Russian)

32. Osipov M.A. Kontrakciya granitoidov i ehndogennoe mineraloobrazovanie [Contraction of granitoids and endogenous mineral formation]. M.: Nauka, 1974. - 158 р. (in Russian)

33. Osipov M.A. Formirovanie rassloennykh plutonov s pozicij termousadki [Formation of layered plutons from the perspective of thermal shrinkage]. M.: Nedra, 1982. – 280 p.

34. Vejnik A.I. Teoriya zatverdevaniya otlivov [Theory of solidification of tides]. M.: Mashgiz, 1960. - 435 р. (in Russian)

35. Belov S.V. Analiz polej napryazhenij pri obrazovanii postmagmaticheskikh treshchin kontrakcii v kupole granitov Karaobinskogo intruziva [Analysis of stress fields during the formation of post-magmatic contraction cracks in the dome of the Karabinsky intrusive granite] // Izvestiya AN SSSR. Seriya geologicheskaya. - 1982. - № 12. – рр. 101-111. (in Russian)

36. Osipov M.A. Polosti i treshchiny magmaticheskoj stadii formirovaniya intruzivov granitoidov [Cavities and cracks in the magmatic stage of granitoid intrusions] // // Izvestiya AN SSSR. Seriya geologicheskaya. - 1978. - № 11. - рр. 26-39. (in Russian)

37. Laumulin T.M. Redkometal'nye struktury v geotektonogenakh Kazakhstana [Rare-metal structures in the geotectonogens of Kazakhstan]. Alma-Ata: Nauka, 1977. – 200 р. (in Russian)

38. Popkov V.I. Neftegazonosnost' granitoidov fundamenta na primere mestorozhdeniya Ojmasha [Oil and Gas Potential of the Foundation Granitoids: The Oymasha Field as an Example] // Geologiya. Izvestiya Otdeleniya nauk i Zemle i prirodnykh resursov. - 2025. - №2. - рр. 42-58. DOI 10.24412/2949-4052-2025-2-42-58. (in Russian)

39. Popkov V.I., Popkov I.V., Krupin A.A. Novye dannye o stroenii rezervuara neftyanoj zalezhi v granitnom massive i perspektivy dorazvedki mestorozhdeniya Ojmasha [New data on the structure of the oil reservoir in the granite massif and prospects for further exploration of the Oymash deposit] // Bulatovskie chteniya. T. 1: Prognoz, poisk i razvedka mestorozhdenij nefti i gaza. Neftegazopromyslovaya geologiya. Razvedochnaya i promyslovaya geofizika. - 2020. - рр. 155-161. (in Russian)

40. Bortnikov P.B., Majnagashev S.M., Shmakov F.D. Rezul'taty kompleksirovaniya strukturno-deformacionnogo analiza i mikrosejsmicheskogo monitoringa v reshenii zadach kartirovaniya kanalov fil'tracii uglevodorodov [Results of combining structural-deformation analysis and microseismic monitoring in solving problems of mapping hydrocarbon filtration channels] // Trudy KH nauchno-prakticheskoj konferencii «Puti realizacii neftegazovogo i rudnogo potenciala KHMAO-YugrY». - 2007. - T. 1. - рр. 111-114. (in Russian)

Authors

V.I. Popkov, Professor, Member of Russian Academy of Natural Sciences, Professor of the Department of Geology and Geophysics, Federal State Budgttari Educa-tional Instution of Higher Education Kuban State University
149 Stavropolskaya St., Krasnodar, 350040, Russian Federation
E-mail: geoskubsu@mail.ru

For citation:

V.I. Popkov Evolyutsiya predstavleniy o stroyenii rezervuara nefti v porodakh fundamenta mestorozhdeniya Oymasha (Yuzhnyy Mangyshlak) [Evolution of Ideas About the Structure of the Oil Reservoir in the Basement Rocks of the Oymash Field (South Mangyshlak)]. Neftyanaya Provintsiya, No. 2(46), 2026. pp. 52-96. DOI https://doi.org/10.25689/NP.2026.2.52-96. EDN BDENYE (in Russian)

© Non-governmental organization Volga-Kama Regional Division of the Russian Academy of Natural Science, 2015-2026 All the materials of the journal are available under the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/)

Evolution of Ideas About the Structure of the Oil Reservoir in the Basement Rocks of the Oymash Field (South Mangyshlak) V.I. Popkov DOI: https://doi.org/10.25689/NP.2026.2.52-96

Key words: granite intrusion, reservoir rock, reservoir, oil accumulation, oil and gas potential

Evolution of Ideas About the Structure of the Oil Reservoir in the Basement Rocks of the Oymash Field (South Mangyshlak)

V.I. Popkov
DOI: https://doi.org/10.25689/NP.2026.2.52-96

Key words:

granite intrusion, reservoir rock, reservoir, oil accumulation, oil and gas potential