Regional petroleum geology
Section editor – PhD in geology and mineralogy Makarevich V.N.
| Article # 21_2014 | submitted on 12/09/2013 displayed on website on 04/22/2014 |
| 13 p. | Nikitin Yu.I., Rikhter O.V., Vilesov A.P., Makhmudova R.K. |
| Structure and formation conditions of the Kolganian suite on the south of the Orenburg region | |
| On the basis of 3D seismic data the clinoform structure of the Upper Frasnian – Lower Famenian carbonate-clastic Kolganian suite has been identified. Sediments of this suite have formed series of heterochronous shelves, which were advanced progradationaly toward deep water basin from eroding island land – Orenburg swell. Sea level fluctuation caused changes of terrigenous sedimentation to carbonate sedimentation and vice versa. River systems were developed and deltaic complexes were formed during the Evlanov-Liven and Lower Famenian sea level falls. Deltaic genesis of the Evlanov-Liven (Upper Frasnian) producing sandstones has been identified on the Vakhitov oil field. The Elets (Lower Famenian) complex of deltaic deposits that is considered as perspective for oil exploration was identified.
Keywords: 3D seismic, facies analysis, Kolganian seismic sequence, eroded land, sea level changes, progradation of shelf clinoforms, river deltas. |
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| article citation | Nikitin Yu.I., Rikhter O.V., Vilesov A.P., Makhmudova R.K. Struktura i uslovija formirovanija kolganskoj tolshhi na juge Orenburgskoj oblasti [Structure and formation conditions of the Kolganian suite on the south of the Orenburg region]. Neftegazovaya Geologiya. Teoriya I Praktika, 2014, vol. 9, no. 2, available at: http://www.ngtp.ru/rub/4/21_2014.pdf |
| DOI | https://doi.org/10.17353/2070-5379/21_2014 |
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Geologicheskoe stroenie i neftenosnost' Orenburgskoy oblasti [Geological structure and oil potential of the Orenburg region]. Orenburg: Orenburgskoe knizhnoe izdatel'stvo, 1997, 272 p.
Gorozhanina E.N., Poberezhskiy S.M., Gorozhanin V.M., Efimov A.G. Tektonicheskaya model' sedimentatsii verkhnedevonskoy kolganskoy tolshchi zapadnoy periklinali Orenburgskogo vala [Tectonical sedimentation model of the Upper Devonian Kolganian suite, western plunge of Orenburg shaft]. Aktual'nye voprosy litologii: materialy litologicheskogo soveshchaniya. Ekaterinburg: IGG UrO RAN, 2010, p. 82-84.
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Nikitin Yu.I., Ostapenko S.V. Svyaz' neftenosnosti Volgo-Ural'skoy provintsii s plitnoy tektonikoy Urala [Connection between oil-potential of the Volga-Ural province and plate tectonics of the Urals]. Neftyanoe khozyaystvo, 2008, no. 12, p. 14-17.
Samygin S.G., Burtman V.S. Tektonika Urala: sravnenie s Tyan'-Shanem [Tectonics of the Urals : comparison with the Tien Shan]. Geotektonika, 2009, no. 2, p. 57-77.
Sequence Stratigraphy. Edited by D. Emery and K. Myers. Blackwell Publishing, 2004, 297 p.
Shibina T.D., Gmid L.P., Taninskaya N.V., Nikitin Yu.I. Litologiya i prognoz kollektorov v kolganskoy tolshche Vakhitovskogo mestorozhdeniya Kichkasskoy ploshchadi yuga Orenburgskoy oblasti [Lithology and forecast of reservoirs in Kolganian suite of Vakhitovskoye fiel,d Kichkasskaya area, south of the Orenburg region]. Neftegazovaya geologiya. Teoriya i praktika, 2007, vol. 2, available at: http://www.ngtp.ru/rub/8/021.pdf
Taninskaya N.V., Shimanskiy V.V., Ostapenko S.V., Shibina T.D., Egan'yants R.T. Usloviya formirovaniya klinoformnykh kompleksov kolganskoy tolshchi Vakhitovskogo mestorozhdeniya yuga Orenburgskoy oblasti [Conditions of formation of clinoform complexes of Kolganian suite, Vakhitovskoye field, south of Orenburg region]. Nestrukturnye, slozhnopostroennye lovushki – osnovnoy rezerv prirosta uglevodorodnogo syr'ya Rossii. Saint Petersburg, 2005, p. 74-81.
Yakhimovich G.D. Kolganskiy neftegazonosnyy basseyn i rol' tektoniki v ego formirovanii [Kolganian petroleum basin and the role of tectonics in its formation]. Geologiya i razrabotka neftyanykh i gazovykh mestorozhdeniy Orenburgskoy oblasti. Orenburg: Orenburgskoe knizhnoe izdatel'stvo, 1998, p. 72-76.
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