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DEFORMATIONS IN THE THRUST ZONE BETWEEN THE ZELEMIANKA AND PARASHKA SKYBAS OF THE UKRAINIAN CARPATHIAN SKYBA NAPPE (HREBENIV QUARRY)

Home > Archive > No. 1–2 (187–188) 2022 > 48–57


Geology & Geochemistry of Combustible Minerals No. 1–2 (187–188) 2022, 48–57.

https://doi.org/10.15407/ggcm2022.01-02.048

Milena BOGDANOVA

Ivan Franko National University of Lviv, Ukraine, e-mail: milena_bogdanova@ukr.net

Abstract

In the article, based on own field observations, the deformation structures into the thrust zone of the Zelemianka Skyba (=thrust-sheet) onto the Parashka Skyba (the Ukrainian Carpathian Skyba Nappe) are described. They are exposed in the Hrebeniv quarry located in the Opir River basin (Lviv Region, Skole district). The tectonically disintegrated Stryi Formation (Upper-Cretaceous–Paleocene flysch) characterized by the rigid sandstone blocks (formed mainly as a result of boudinage) placed in a ductile clay matrix is represented in the Hrebeniv quarry. This formation is proposed to be classified as a “broken formation”, which is strongly tectonized, but retain their lithological and stratigraphic identity. It is a transitional element between the weakly deformed strata and tectonic mélange. Their characteristic features are: linearity of the distribution zone; significant monomictic composition and absence of exotic formations; the presence of an intensively tectonized matrix with clastolites (blocks) of less tectonized rocks of the same lithostratum (formation, series); the presence of newly formed hydrothermal minerals in clastolite cracks; the upper and lower contacts limiting the broken formation have a tectonic nature. An intensely tectonized matrix and a weakly tectonized rigid blocks belong to the same stratigraphic unit in a broken formation. The structural features suggest a brittle deformations in the studied rocks. Tectonic processes occurred in the completely lithified deposits. Thrust processes were accompanied by the formation of the duplexes, including antiformal stack duplexes, which are well expressed in the quarry. Duplexes are observed in different parts of the quarry, and the most representative ones are developed in its central section. Horses in the duplexes are characterized by a size of 1 to 3 meters here. They are generally subparallel, which is consistent with monoclinal bedding, however, they sometimes acquire an antiform appearance as a result of tectonic thrusting.

Keywords

Ukrainian Carpathians, Skyba Nappe, broken formation, thrust zone, deformations, duplexes

Referenses

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Bohdanova, M. I. (2001). Osoblyvosti vnutrishnoi budovy prynasuvnoi chastyny skyby Zelemianka. Visnyk Lvivskoho universytetu. Seriia heolohichna, 15, 144–151. [in Ukrainian]

Boyer, S. E., & Elliott, D. (1982). Thrust systems. Bulletin of the American Association of Petroleum Geologists, 66(9), 1196–1230. https://doi.org/10.1306/03B5A77D-16D1-11D7-8645000102C1865D

Festa, A., Pini, G. A., Ogata, K., & Dilek, Y. (2019). Diagnostic features and field-criteria in recognition of tectonic, sedimentary and diapiric mélanges in orogenic belts and exhumed subduction-accretion complexes. Gondwana Research, 74, 7–30. https://doi.org/10.1016/j.gr.2019.01.003

Fossen, H. (2016). Structural Geology (2nd ed.). Cambridge: Cambridge University Press. https://doi.org/10.1017/9781107415096

Hnylko, O. M. (2012). Tektonichne raionuvannia Karpat u svitli tereinovoi tektoniky. Stattia 2. Flishovi Karpaty – davnia akretsiina pryzma. Heodynamika, 1(12), 67–78. https://doi.org/10.23939/jgd2012.01.067 [in Ukrainian]

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Starzec, К., Malata, E., Wronka, A., & Malina, L. (2015). Mélanges and broken formations at the boundary zone of the Magura and Silesian nappes (Gorlice area, Polish Outer Carpathians) – a result of sedimentary and tectonic processes. Geological Quarterly, 59(1), 169–178. https://doi.org/10.7306/gq.1173


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AGE AND SEDIMENTARY ENVIRONMENTS OF THE PALEOCENE DEPOSITS IN THE CARPATHIAN SKYBA NAPPE BASED ON MICROPALEONTOLOGICAL AND SEDIMENTOLOGICAL DATA

Home > Archive > No. 1–2 (187–188) 2022 > 36–47


Geology & Geochemistry of Combustible Minerals No. 1–2 (187–188) 2022, 36–47.

https://doi.org/10.15407/ggcm2022.01-02.036

Oleh HNYLKO, Aida ANDREEVA-GRIGOROVICH, Svitlana HNYLKO

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua

Abstract

The results of micropaleontological and sedimentological studies of the Paleocene sediments such as the Upper Member of the Stryi Formation and the Yamna Formation located in the Skyba Nappe in the Ukrainian Outer (Flysh) Carpathians are represented. Sedimentological features of the flysch successions (including the sedimentary succession along the Prut River in the city of Yaremche) proved that the Upper Member of the Stryi Formation is represented mainly by turbidites; the lower part of the Yamna Formation (variegated Yaremcha Horizon) is composed of red and green clay hemipelagites and turbidites, and the upper part of the Yamna Formation (Yamna sandstone) consists of deposits of high-density turbidite currents and grain flows.

The calcareous nannoplankton: NP1, NP2, NP3 and NP4 zones as well as the foraminifera: planktonic Globoconusa daubjergensis Zone (Danian Stage) and benthic Rzehakina epigona Subzone of Rzehakina fissistomata Zone, s. l. (the early Paleocene) are identified in the Upper Member of the Stryi Formation. The calcareous nannoplanktonic NP4, NP5, NP6 zones are distinguished in the Yaremcha Horizon and NP6, NP8, NP9 zones are identified in the Yamna sandstone. The agglutinated foraminifera including Rzehakina fissistomatа, Rz. epigona, Caudammina ovula, Hormosina velascoense, Glomospirella grzybowskii, Saccammina placenta, Paratrochamminoides irregularis are dominated in the Yamna Formation. The age of the Stryi Formation (Upper Member) is established as Danian–partly Zealandian, and the age of the Yamna Formation is Zealandian–Thanetian based on nannoplankton and foraminifera data.

Deep-water agglutinated foraminifera (DWAF) belonging to the genera Rhabdammina, Hyperammina, Dendrophrya, Ammodiscus, Glomospira, Hormosina, Reophax, Haplophragmoides, Recurvoides, Trochamminoides, Paratrochamminoides, Spiroplectammina, Karreriella are dominated in the background hemipelagic clay deposits and make up to 100% of the tests in the microfaunal associations, that suggests the lower bathyal-abyssal depths of the sedimentary paleobasin The channel deposits (Yamna sandstone) and interchannel sediments (Upper Member of the Stryi Formation) of the ancient deep-sea fan are identified in the Paleogene flysch.

Keywords

Ukrainian Carpathians, Skyba Nappe, Paleocene, foraminifera, nannoplankton, sedimentation

Referenses

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Andreeva-Grigorovich, A. S. (1994). Zonalnaya shkala po tsistam dinoflagellat dlya paleogena yuzhnikh regionov SNG [Zonal scale for dinoflagellate cysts for the Paleogene of the southern regions of the CIS]. Algologiya, 42, 66‒76. [in Russian]

Andreeva-Grigorovich, A. S., Vyalov, O. S., Gavura, S. P., Gruzman, A. D., Dabagyan, N. V., Danish, V. V., Ivanik, M. M., Kulchitskii, Ya. O., Lozinyak, P. Yu., Maslun, N. V., Petrashkevich, M. Y., Ponomareva, L. D., Portnyagina, L. A., Smirnov, S. Ye., & Sovchik, Ya. V. (1984). Obyasnitelnaya zapiska k regionalnoi stratigraficheskoi skheme paleogenovikh otlozhenii Ukrainskikh Karpat [Explanatory note to the regional stratigraphic scheme of the Paleogene deposits of the Ukrainian Carpathians] [Preprint N 84-19]. Kiev: Institut geologicheskikh nauk AN USSR. [in Russian]

Andreyeva-Grigorovich, A. S. (1999). Biostratigraphic correlations of the Paleogene deposits of the Ukrainian Carpathians and Crimea-Bakhchisarai area using nannoplankton and dinocysts. Geologica Carpathica, 50, 10–12.

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Einsele, G. (1992). Sedimentary Basins: evolution, facies and sediment budget. Berlin: Springer–Verlag. https://doi.org/10.1007/978-3-642-77055-5

Golonka, J., Gahagan, L., Krobicki, M., Marko, F., Oszczypko, N., & Ślączka, A. (2006). Plate tectonic evolution and paleogeography of the circum-Carpathian region. AAPG, Memoir, 84, 11–46. https://doi.org/10.1306/985606m843066

Golonka, J., Waśkowska, A., & Ślączka, A. (2019). The Western Outer Carpathians: Origin and evolution. Zeitschriftder Deutschen Gesellschaft für Geowissenschaften, 170(3–4), 229–254. https://doi.org/10.1127/zdgg/2019/0193

Hnylko, O. M. (2012). Tektonichne raionuvannia Karpat u svitli tereinovoi tektoniky. Stattia 2. Flishovi Karpaty – davnia akretsiina pryzma [Tectonic zoning of the Carpathians in term`s of the terrane tectonics, article 2. The Flysch Carpathian – ancient accretionary prism]. Heodynamika, 1(12), 67–78. https://doi.org/10.23939/jgd2012.01.067 [in Ukrainian]

Hnylko, O. (2016). Heolohichna budova ta evoliutsiia Ukrainskykh Karpat [Geological structure and evolution of the Ukrainian Carpathians] [Extended abstract of Doctorʼs thesis]. Lvivskyi natsionalnyi universytet imeni I. Franka. Lviv. [in Ukrainian]

Hnylko, O. M., & Slotiuk, B. M. (1993). Do heolohichnoi paleookeanohrafii pivnichno-zakhidnoi chastyny Ukrainskykh Karpat (basein verkhnoi techii r. Dnister). Rannia kreida–eotsen [To the geological paleoceanography of the northwestern part of the Ukrainian Carpathians (basin of the upper reaches of the Dnister River). Early Cretaceous–Eocene]. Heolohiia i heokhimiia horiuchykh kopalyn, 2–3(84–85), 80–86. [in Ukrainian]

Ivanik, M. M., & Maslun, N. V. (1977). Kremnistie mikroorganizmi i ikh ispolzovanie dlya raschleneniya paleogenovikh otlozhenii Predkarpatya [Siliceous microorganisms and their use for dismemberment of the Paleogene deposits of the Fore-Carpathians]. Kiev: Naukova dumka. [in Russian]

Kaminski, M. A., & Gradstein, F. M. (2005). Atlas of Paleogenecosmopolitan deep-water agglutinated foraminifera. Grzybowski Foundation Special Publication, 10.

Kováč, M., Márton, E., Oszczypko, N., Vojtko, R., Hók, J., Králiková, S., Plašienka, D., Klučiar, T., Hudáčková, N., & Oszczypko-Clowes, M. (2017). Neogene palaeogeography and basin evolution of the Western Carpathians, Northern Pannonian domain and adjoining areas. Global and Planetary Change, 155, 133–154. https://doi.org/10.1016/j.gloplacha.2017.07.004

Kováč, M., Plašienka, D., Soták, J., Vojtko, R., Oszczypko, N., Less, G., Ćosović, V., Fügenschuh, B., & Králiková, S. (2016). Paleogene palaeogeography and basin evolution of the Western Carpathians, Northern Pannonian domain and adjoining areas. Global and Planetary Change, 140, 9–27. https://doi.org/10.1016/j.gloplacha. 2016.03.007

Maslakova, N. I. (1955). Stratigrafiya i fauna melkikh foraminifer paleogenovikh otlozhenii Vostochnikh Karpat [Stratigraphy and fauna of small foraminifers in the Paleogene deposits of the Eastern Carpathians]. Moskva: Gosgeolizdat. [in Russian]

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GEOLOGICAL GROUNDS OF PERSPECTIVE ZONES FOR THE ACCUMULATION OF BEHIND-PIPE GAS RESERVES (East-Novoselovskyi Oil-Gas Condensate Field, Dnieper-Donets Depression)

Home > Archive > No. 1–2 (187–188) 2022 > 27–35


Geology & Geochemistry of Combustible Minerals No. 1–2 (187–188) 2022, 27–35.

https://doi.org/10.15407/ggcm2022.01-02.027

Vyacheslav LUKINOV1, Kostyantyn BEZRUCHKO1, Oleksii PRYKHODCHENKO1, Vladyslav KOBEZA2

1 M. S. Polyakov Institute of Geotechnical Mechanics of National Academy of Sciences of Ukraine, Dnipro, Ukraine, e-mail: e-mail: gvrvg@meta.ua
2 “Shebelinkagazvydobuvannia” Gas Industry Department of Ukrgazvydobuvannia JSC, Donets, Kharkiv Region, Ukraine, e-mail: Kobeza15@gmail.com

Abstract

The practical experience of long-term operation of hydrocarbon deposits confirms the presence of geomechanical processes and their significant impact on the state of the gas-saturated massif of rocks. In fields that are being operated for a long time, the prospects for industrial hydrocarbon accumulation can be associated with secondary gas traps of non-traditional type, in particular, technogenic ones, which are formed in low-pore reservoirs. A detailed analysis of the geological conditions of the East-Novoselovskyi field was carried out. They contribute to the formation of additional gas resources (“behind-pipe reserves” category), as well as the establishment of geological-industrial indices of the perspectivity for the formation of technogenic deposits was carried out.

The purpose of the work is geological justification and finding perspective zones for the accumulation of behind-pipe reserves through the formation of technogenic deposits under the impact of a geomechanical factor, using the example of the East-Novoselovskyi oil-gas condensate field.

For the geological conditions of the East-Novoselovskiy Oil-Gas Condensate Field, producing the additional gas reserves should be expected from technogenic deposits that are located above the industrial horizons that are being developed and formed in low-porous reservoirs under the action of a geomechanical factor, as a result of their decompaction after gas extraction from an industrial reservoir as a result of its compression. In accordance with the conducted research, the most perspective section, from the standpoint of the formation of a technogenic deposit and the accumulation of behind-pipe reserves, within the East-Novoselovskyi Oil-Gas Condensate Field there is the strata identified in the area of wells No. 16, 18, 60, in the section interval at a distance of 92.4 m up from the roof of the horizon (B-3b), which is located from a depth of 2141 m to the roof of the horizon B-3a, at a depth of 2 233 m. It is worthwhile to further carry out appropriate geophysical work for conducting the technological work for the development of technogenic deposits in perspective zones behind the casing column in operated wells.

The account of the geomechanical factor opens up the perspective of producing the additional industrial gas influx at the late stages of the development of gas and gas-condensate fields, by predicting the geological conditions for the formation of the improved secondary filtration-capacitive properties favorable to form technogenic gas deposits.

Keywords

gas fields, geomechanical factor, technogenic reservoir, behind-pipe reserves

Referenses

Abielientsev, V. M., Lurie, A. Y., Povieriennyi, S. F., & Susiak, T. Ya. (2017). Nova metodyka interpretatsii rezultativ laboratornykh doslidzhen hirskykh porid pry modeliuvanni plastovykh umov [A new method for interpreting the results of laboratory studies of rocks in modeling reservoir conditions]. Heolohichnyi zhurnal, 3, 23–30. https://doi.org/10.30836/igs.1025-6814.2017.3.117319 [in Ukrainian]

Bulat, A. F., Lukinov, V. V, Bezruchko, K. A., Krukovskyi, O. P., & Krukovska, V. V. (2018). Heomekhanichnyi chynnyk nadkhodzhennia dodatkovykh obsiahiv vilnoho metanu pry ekspluatatsii hazovykh rodovyshch [Geomechanical factor of receipt of additional volumes of free methane during the operation of gas fields]. Dopovidi Natsionalnoi akademii nauk Ukrainy, 8, 25–35. https://doi.org/10.15407/dopovidi2018.08.025 [in Ukrainian]

Bulat, A. F., Lukinov, V. V, Bezruchko, K. A., & Prykhodchenko, O. V. (2020). Vplyv heomekhanichnykh protsesiv na plastovyi tysk pry tryvalii ekspluatatsii hazovykh rodovyshch [Influence of geomechanical processes on reservoir pressure during long-term operation of gas fields]. Rozvidka ta rozrobka naftovykh ta hazovykh rodovyshch, 4(77), 62–76. https://doi.org/10.31471/1993-9973-2020-4(77)-62-76 [in Ukrainian]

Cheban, O. V., & Vladyka, V. M. (2007). Perspektyvy naroshchuvannia vydobutku hazu na starykh rodovyshchakh Peredkarpattia na prykladi Rudkivskoho hazovoho rodovyshcha [Prospects for increasing gas production at Old fields in the Carpathian region on the example of the Rudkovsky gas field]. Problemy naftohazovoi promyslovosti, 5, 326–328. [in Ukrainian]

Ivaniuta, M. M. (Ed.). (1998). Atlas rodovyshch nafty i hazu Ukrainy [Atlas of oil and gas fields in Ukraine] (Vol. 3. Ckhidnyi naftohazonosnyi rehion [Eastern oil and gas region]; Vol. 4. Zakhidnyi naftohazonosnyi rehion [Western oil and gas region]). Lviv: Ukrainska naftohazova akademiia. [in Ukrainian]

Klasyfikatsiia zapasiv i resursiv korysnykh kopalyn derzhavnoho fondu nadr [Classification of Mineral Reserves and resources of the state subsurface fund. (1997). Resolution of the Cabinet of Ministers of Ukraine  № 432. https://zakon.rada.gov.ua/laws/show/432-97-p#Text [in Ukrainian]

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Lukinov, V. V., Bezruchko, K. A., Prykhodchenko, O. V., & Kobeza, V. S. (2021). Pokaznyky perspektyvnosti otrymannia dodatkovykh pryplyviv vuhlevodniv na hazovykh rodovyshchakh [Indicators of prospects for obtaining additional hydrocarbon inflows in gas fields]. In Vid Mineralohii i Heohnozii do Heokhimii, Petrolohii, Heolohii ta Heofizyky: fundamentalni i prykladni trendy XXI stolittia [From Mineralogy and Geognosia to geochemistry, Petrology, Geology and Geophysics: fundamental and applied trends of the XXI century]: materialy konferentsii Kyivskoho natsionalnoho universytetu imeni T. H. Shevchenka (Kyiv, Ukraina, 28–30 veresnia 2021 r.) (pp. 193–197). Kyiv. [in Ukrainian]

Lukinov, V. V., Prykhodchenko, V. F., Zhykaliak, M. V., & Prykhodchenko, O. V. (2016). Metody prohnozu hirnycho-heolohichnykh umov rozrobky vuhilnykh rodovyshch [Methods for predicting mining and geological conditions for coal field development]. Dnipro: NHU. [in Ukrainian]


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TECTONIC UNITS OF THE KROSNO (SILESIA) COVER OF THE FOLDED CARPATHIANS: TYKHIY (UKRAINE) AND VETLINA (POLAND) STRUCTURES – GEOLOGICAL STRUCTURE AND GAS-BEARING POTENTIAL

Home > Archive > No. 1–2 (187–188) 2022 > 5–26


Geology & Geochemistry of Combustible Minerals No. 1–2 (187–188) 2022, 5–26.

https://doi.org/10.15407/ggcm2022.01-02.005

Myroslav PAVLYUK, Volodymyr SHLAPINSKY, Myroslav TERNAVSKY

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua

Abstract

In the south-western part of the Krosno cover in the terrain of the Ukraine, that is called jednostka Szląska (Silesia Unit) in the adjoining Polish territory, two tectonic structures Tykhiy and Vetlina composed of flysh of the Cretaceous-Paleogene age, are correspondingly present. They are in the same scale and represent preserved anticlinal fold of the north-western strike. The Tykhiy and Vetlina structures were defined according to results of drilling. In consequence of executed drilling works the commercial gas presence of both structures was determined. Maximum gas discharges from the deposits of Oligocene at both structures are estimated to be approximately 60th m3/day. The production reserves of the Vetlina structure are estimated at 73 million m3 of gas. The deposit is not being developed due to localization in the area within the Beskydy National Park. The authors don’t recommend to carry out exploratory drilling within the limits of the structure, in located further north-east of the Tykhiy structure the Volosianka–Pidpolozzia and Husne–Bukovets scales as the ineffective drilling because of the absence of perspective objects in their composition. There are prerequisites to suppose the presence of just one more gas-saturated fold, Liuta, further south-west of the Tykhiy structure, under the Duklya–Chornohora cover. It is located within the hydrocarbon field, favourable for the search for hydrocarbons. The potential industrial gas potential of the forecasted promising structure is evidenced by the inflows of oil and gas in the mapping wells of Liuta Square. Significant manifestations of hydrocarbons were observed in well 18-Liuta. From a depth of 40 m, and then 190 m recorded oil manifestations – oil films on the surface of the clay solution (d 20 – 0.843 g/cm3; viscosity in 0E – 1.92; S – 0.22 %, the beginning of boiling – 97 °C, up to 350 °C – 56 %). Intense gas manifestations were noted from a depth of 167 m (CH4 – 95.36 %; CO2 – 1.01 %; N2 – 3.63 %). To check this supposition, it is expedient to conduct seismic survey.

Keywords

Krosno cover, Tykhiy and Vetlina structures, geological structure, gas-bearingness

Referenses

Hlushko, V. V., Kuzovenko, V. V., & Shlapinskyi, V. Ye. (1999). Novi pohliady na heolohichnu budovu pivnichno-zakhidnoi chastyny Duklianskoho pokrovu Ukrainskykh Karpat. Visnyk Lvivskoho universytetu. Seriia heolohichna, 13, 94–101. [in Ukrainian]

Karnkowski, P. (1993). Złoża gazu ziemnego i ropy naftowej w Polsce: T. 2. Karpaty i zapadlisko Przedkarpackie. Częśc 1. Karpaty. Kraków.

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Krupskyi, Yu. Z., Kurovets, I. M., Senkovskyi, Yu. M., Mykhailov, V. A., Chepil, P. M., Dryhant, D. M., Shlapinskyi, V. Ye., Koltun, Yu. V.,Chepil, V. P., Kurovets, S. S., & Bodlak, V. P. (2014). Netradytsiini dzherela vuhlevodniv Ukrainy: Vol. 2. Zakhidnyi naftohazonosnyi rehion. Kyiv: Nika-Tsentr. [in Ukrainian]

Kuzovenko, V. V., Zhigunova, Z. F., & Petrov, V. G. (1973). Otchet o rezultatakh kompleksnoi geologicheskoi syomki masshtaba 1 : 50 000, provedennoi na ploshchadi Lomna Lvovskoi i Zakarpatskoi oblastei USSR v 1969–1972 gg. Trest “Lvovneftegazrazvedka”, KGP. Lvov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

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Shlapinskyi, V. Ye., Hlushko, V. V., & Kuzovenko, V. V. (1994). Vyvchennia heolohichnoi budovy i perspektyv naftohazonosnosti zony zchlenuvannia Duklianskoho, Chornohorskoho i Krosnenskoho pokroviv Ukrainskykh Karpat v 1991–1994 rr. (Vol. 1). Lviv: Fondy DP “Zakhidukrheolohiia”. [in Ukrainian]

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GEOLOGICAL STRUCTURE AND PROSPECTS OF OIL-GAS PRESENCE AT THE POHAR PLOT (Folded Carpathians)

Home > Archive > No. 3–4 (185–186) 2021 > 5–15


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 5–15.

https://doi.org/10.15407/ggcm2021.03-04.005

Volodymyr SHLAPINSKY, Myroslav PAVLYUK, Yaroslav LAZARUK, Olesya SAVCHAK, Myroslav TERNAVSKY

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: vlash.ukr@gmail.com

Abstract

The Pohar plot is situated in the Skole district of the Lviv Region, 30 km south-west of Skole town, between Pohar and Kryve villages. Tectonically it is located in of junction of the Skybian (Slavske Skyba) and the Krosno covers. At the end of XIX beginning of XX centuries in the region of the village the oil-extracting enterprise was existent. There deposits of Oligocen and Eocene of the Rozluch belt of the Krosno cover and Oligocene of the scale of the Slavske skyba of the Skybian cover were exploited. During two ten-years of exploitation by exploring shafts and shallow boreholes more than 3 thousand ton of oil was extracted. Prospects of the Pohar plot should be connected with sand horizons of the Holovets suite of Oligocen (Klivsky sandstones) that are characterized by satisfactory reservoir properties. They are localized in the immersed part of the Hrosivsky scale of the Krosno cover separated by the Rozluch fault (tectonically screened deposit) from its forkball part, drilled in 1973–1974 1-Pohar borehole (well bottom 1935 m), due to deflection of its hole to the south-east, didn’t expose the Klivsky sandstones and didn’t solve its task. For complete exposition of the Klivsky sandstones of the Holovets suite of Oligocene of the Hrosivsky scale it is necessary to design vertically oriented 2-Pohar borehole of 2300 m in depth. About probable commercial oil-gas saturation of the horizon of the Klivsky sandstones testifies not only to the existence of the oil-extracting enterprise in the past, but the intensive surface oil shows in the stretched area that is controlled by the Rozluch fault. Moreover, taking the prospect of the zone of junction of the given covers in consideration, the seismic survey should be conducted at the Pohar area for the estimation of the geological structure of the deeper horizons and parametric borehole of 4000–5000 m in depth should be designed.

Keywords

Skybian and Krosno covers, Rozluch fault, oil extracting enterprise, prospects of oil-gas presence

Referenses

Kantolinskii, S. I., & Nekrasova, L. P. (1975). Geologicheskii otchet o rezul’tatakh strukturno-poiskovogo bureniya, provedennogo na ploshchadi Pogar L’vovskoi oblasti USSR v 1973–1974 gg. Trest “L’vovneftegazrazvedka”, KGP. L’vov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

Kuzovenko, V. V., Glushko, V. V., Myshkin, L. P., & Shlapinskii, V. E. (1990). Izuchenie geologo-geofizicheskikh materialov po Skibovoi i Krosnenskoi zonam Skladchatykh Karpat, s tsel’yu vyyavleniya perspektivnykh na neft’ i gaz ob”ektov za 1988–1990 gg. PGO “Zapadukrgeologiya”. L’vov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

Kuzovenko, V. V., Zhigunova, Z. F., & Petrov, V. G. (1977). Otchet o rezul’tatakh gruppovoi kompleksnoi geologicheskoi s”emki masshtaba 1 : 50 000, provedennoi na ploshchadi Klimets L’vovskoi i Zakarpatskoi oblastei USSR v 1973–1976 gg. Trest “L’vovneftegazrazvedka”, KGP. L’vov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

Kyk, I. V., Chizh, E. I., & Ratych, V. A. (1966). Otchet o rezul’tatakh profil’nogo strukturno-poiskovogo bureniya na ploshchadi Turka L’vovskoi oblasti USSR, provedennogo v 1964–1965 gg. L’vov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

Shlapinskyi, V. Ye., Havryshkiv, H. Ya., & Haievska, Yu. P. (2020). Kolektory nafty i hazu v kreidovo-paleotsenovykh vidkladakh Skybovoho pokryvu Ukrainskykh Karpat (pivnichno-zakhidna i tsentralna dilianky) ta perspektyvy yikh naftohazonosnosti. Heolohichnyi zhurnal, 3, 47–64. https://doi.org/10.30836/igs.1025-6814.2020.3.207341 [in Ukrainian]

Temnyuk, F. P. (1952). Otchet o geologicheskikh issledovaniyakh zony Krosno, provedennykh na ploshchadi Il’nik–Komarniki Drogobychskoi oblasti v 1951 g. L’vov: Fondy DP “Zakhidukrheolohiia”. [in Russian]

Wyszyński, O. W., & Obtułowicz, J. (1939). Antyklina Poharu. Budowa geologiczna i złoża ropy. Przemysł naftowy, 3, 65–68.


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COMMERCIAL POTENTIAL FOR COAL PRESENCE IN THE LOWER PART OF CARBONIFEROUS DEPOSITS OF THE LVIV-VOLYN BASIN

Home > Archive > No. 3–4 (185–186) 2021 > 73–91


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 73–91.

https://doi.org/10.15407/ggcm2021.03-04.073

Mykhailo MATROFAILO, Iryna BUCHYNSKA, Andriy POBEREZHSKYY, Oksana STUPKA, Ivan YATSENKO, Olena SHEVCHUK, Iryna KUDRYCH

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua

Abstract

On the basis of morphological analysis and detailed studies of lithological-facies composition and formation conditions of coal-bearing deposits the investigations of the lower part of Carboniferous deposits of the Lviv-Volyn Basin of south-western edge of the East European Platform were conducted. In particular, the available geological material was analyzed; the initial conditions of Carbonic coal-forming (Late Tournai – beginning of Late Visean) were studied and positions of the lower boundary of the coal-bearing formation were grounded; the availability of commercial coal-bearing potential (thickness of coal seams 0.6 m and more) of the lower part of Carbonic was studied; commercial coal-bearing potential of the Visean and the lower part of the Serpukhovian stages of the lower subformation of the basin was detected; the influence of intraformational and epigenetic washings and other factors that caused the formation and changes of the lower part of the coal-bearing formation, the morphology were investigated; the possibilities of commercial development of coal seams of the lower horizons were grounded.

The most promising areas for searching commercial coal seams and the plots with workable thickness in deposits of the lower coal-bearing subformation were singled out for the extension of commercial coal-bearing potential and determination of the directions of searching and prospecting for promising coal deposits of the basin. It was noted that within the bounds of such areas (the Kovel area, the Bubnivska area, the Busk field and other) a continental regime was formed for a long time, and in the conditions of the marshy near-sea lowgrounds with a developed river system and dismembered paleorelief the periodical peat accumulation occurred that caused the formation of commercial coal seams.

Reliable prediction of the mining-geological conditions for the development and the assessment of the commercial usability of the coal seams of the lower part of Carbonic deposits in the whole territory of the basin and within the limits of acting mines should ensure the stable development of the Lviv-Volyn Coal Basin.

Keywords

coal seam, commercial coal-bearing potential, perspective coal-bearing areas and plots, lower coal-bearing formation, predicted resources, Lviv-Volyn Coal Basin

Referenses

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Bartoshinskaya, E. S., Byk, S. I., Muromtseva, A. A., & Syvyi, M. Ya. (1983). Uglenosnye formatsii karbona yugo-zapadnoi okrainy Vostochno-Evropeiskoi platformy. Kiev: Naukova dumka. [in Russian]

Bartoshynska, Ye., Byk, S., & Buchynska, I. (2008). Pochatkovyi etap formuvannia vuhlenosnoi formatsii karbonu Lvivsko-Volynskoho baseinu. Heolohiia i heokhimiia horiuchykh kopalyn, 3(144), 26–36. [in Ukrainian]

Kostyk, I. O., & Matrofailo, M. M. (2005). Perspektyvy promyslovoi vuhlenosnosti Buskoho rodovyshcha Lvivsko-Volynskoho kamianovuhilnoho baseinu. Heolohiia i heokhimiia horiuchykh kopalyn, 2, 30–39. [in Ukrainian]

Kostyk, I., Matrofailo, M., & Korol, M. (2013). Perspektyvy suchasnoi pryrodnoi hazonosnosti vuhilnykh plastiv hlybokykh horyzontiv Lvivsko-Volynskoho baseinu. Heoloh Ukrainy, 3(43), 50–59. https://doi.org/10.53087/ug.2013.3(43).245491 [in Ukrainian]

Kostyk, I. O., Matrofailo, M. M., & Shulha, V. F. (2008). Pro nyzhniu hranytsiu vuhlenosnoi formatsii Lvivsko-Volynskoho baseinu. Heolohiia i heokhimiia horiuchykh kopalyn, 3(144), 26–39. [in Ukrainian]

Kostyk, I. O., Matrofailo, M. M., Shulha, V. F., & Korol, M. D. (2010). Perspektyvy promyslovoi vuhlenosnosti hlybokykh horyzontiv Lvivsko-Volynskoho kamianovuhilnoho baseinu. Stattia 1. Morfolohiia serpukhovskoho vuhilnoho plasta υ6 Lvivsko-Volynskoho baseinu i osoblyvosti yoho utvorennia. Heolohiia i heokhimiia horiuchykh kopalyn, 3–4(152–153), 27–44. [in Ukrainian]

Kostyk, I. O., Matrofailo, M. M., & Sokorenko, S. S. (2007). Perspektyvy promyslovoi vuhlenosnosti nyzhnoi chastyny kamianovuhilnoi formatsii Lvivsko-Volynskoho baseinu. Heolohiia i heokhimiia horiuchykh kopalyn, 1, 27–44. [in Ukrainian]

Kushniruk, V. A., Bartoshinskaya, E. S., Mel’nichuk, I. P., & Martyuk, K. M. (1975). Geneticheskie tipy uglei vizeiskogo vozrasta L’vovsko-Volynskogo basseina. In Referaty nauchno-issledovatel’skikh rabot Instituta geologii i geokhimii goryuchikh iskopaemykh AN USSR (1973) (pp. 40–43). Kiev: Naukova dumka. [in Russian]

Matrofailo, M. (2016). Shchodo metodyky morfolohichnoho analizu vuhilnykh plastiv Lvivsko-Volynskoho kamianovuhilnoho baseinu. Visnyk Lvivskoho universytetu. Seriia heolohichna, 30, 159–164. [in Ukrainian]

Matrofailo, M. M. (2017). Zastosuvannia morfolohichnoho analizu vuhilnykh plastiv u Lvivsko-Volynskomu baseini. Visnyk Lvivskoho universytetu. Seriia heolohichna, 31, 56–66. [in Ukrainian]

Matrofailo, M. M. (2019a). Morfolohichnyi analiz pokladiv vuhillia Lvivsko-Volynskoho kamianovuhilnoho baseinu. In Zdobutky i perspektyvy rozvytku heolohichnoi nauky v Ukraini: zbirnyk tez naukovoi konferentsii, prysviachenoi 50-richchiu Instytutu heokhimii, mineralohii ta rudoutvorennia imeni M. P. Semenenka (Kyiv, 14–16 travnia 2019 r.) (Vol. 2, pp. 64–66). Kyiv: Instytut heokhimii, mineralohii ta rudoutvorennia imeni M. P. Semenenka NAN Ukrainy. [in Ukrainian]

Matrofailo, M. M. (2019b). Osoblyvosti morfolohii vuhilnoho plasta n9 Lvivsko-Volynskoho kamianovuhilnoho baseinu. In Nadrokorystuvannia v Ukraini. Perspektyvy investuvannia: materialy VI Mizhnarodnoi naukovo-praktychnoi konferentsii (7–11 zhovtnia 2019 r., Truskavets) (Vol. 1, pp. 315–321). Kyiv: Derzhavna komisiia Ukrainy po zapasakh korysnykh kopalyn. [in Ukrainian]

Matrofailo, M. M., & Korol, M. D. (2019). Osoblyvosti morfolohii i utvorennia vuhilnoho plasta υ03 Kovelskoi vuhlenosnoi ploshchi Lvivsko-Volynskoho kamianovuhilnoho baseinu. Visnyk Lvivskoho universytetu. Seriia heolohichna, 33, 129–142. [in Ukrainian]

Matrofailo, M. M., Reshko, M. Ya., & Kostyk, I. O. (2004). Heoloho-promyslova typizatsiia vuhilnykh plastiv Pivdenno-Zakhidnoho raionu Lvivsko-Volynskoho baseinu. Heolohiia i heokhimiia horiuchykh kopalyn, 3, 85–90. [in Ukrainian]

Matrofailo, M., Shulha, V., Kostyk, I., & Korol, M. (2012). Perspektyvy promyslovoi vuhlenosnosti hlybokykh horyzontiv Lvivsko-Volynskoho kamianovuhil-noho baseinu. Stattia 2. Morfolohiia vizeiskoho vuhilnoho plasta υ03 i osoblyvosti yoho utvorennia (Kovelska ploshcha). Heolohiia i heokhimiia horiuchykh kopalyn, 3–4(160–161), 29–48. [in Ukrainian]

Shul’ga, P. L. (1975). L’vovsko-Volynskii bassein. In Osnovnye cherty stratigrafii karbona SSSR (pp. 117–126). Moskva: Nedra. [in Russian]

Shul’ga, V. F., Kostik, I. E., Matrofailo, M. N., & Korol’, N. D. (2008). O nachale turneisko-vizeiskogo etapa ugleobrazovaniya na yugo-zapade Vostochno-Evropeiskoi platformy. Heolohiia i heokhimiia horiuchykh kopalyn, 4(145), 68–77. [in Russian]

Shul’ga, V. F., Kostik, I. E., Matrofailo, M. N., & Korol’, N. D. (2009). O zarozhdenii karbonovoi uglenosnoi formatsii L’vovsko-Volynskogo ugol’nogo basseina. Doklady Natsional’noi akademii nauk Ukrainy, 7, 121–127. [in Russian]

Shulga, V., Kostyk, I., Matrofailo, М., & Korol, M. (2009). Beginnings of the coal formation in Lvov-Volhynian basin. In Geologia formacji węglonośnych Polski: XXVIII Sympozjum naukovo-techniczny (22–23 kwietnia 2009 r.) (pp. 61–68). Kraków: Academia górniczo-hutnicza w Krakowie.

Shul’ga, V. F., Matrofailo, M. N., Kostik, I. E., & Korol’, N. D. (2013). Osobennosti formirovaniya plastov uglya glubokikh gorizontov L’vovsko-Volynskogo basseina. Stat’ya 1. Serpukhovskii ugol’nyi plast υ6. Heolohichnyi zhurnal, 2, 75–88. [in Russian]

Shul’ga, V. F., Reshko, M. Ya., Gurei, P. T., Girnyi, E. I., & Lelik, B. I. (1997). Novye dannye ob uglenosnosti yugo-zapada L’vovsko-Volynskogo basseina. Dopovidi Natsionalnoi akademii nauk Ukrainy, 1, 137–141. [in Ukrainian]

Shul’ga, V. F., Zdanovski, A., Zaitseva, L. B., Ivanova, A. V., Ivanina, A. V., Korol’, N. D., Kotasova, A., Kotas, A., Kostik, I. E., Lelik, B. I., Miger, T., Manichev, V. I., Matrofailo, M. N., Ptak, B., Savchuk, V. S., Sedaeva, G. M., & Stepanenko, Ya. G. (2007). Korrelyatsiya karbonovykh uglenosnykh formatsii L’vovsko-Volynskogo i Lyublinskogo basseinov. Kiev: Varta. [in Russian]

Struev, M. I., Isakov, V. I., Shpakova, V. B., Karavaev, V. Ya., Selinnyi, V. I., & Popel’, B. S. (1984). L’vovsko-Volynskii kamennougol’nyi bassein: Geologo-promyshlennyi ocherk. Kiev: Naukova dumka. [in Russian]

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Vyrvich, G. P., Gigashvili, E. P., Dubik, Z. G., Ershov, V. Z., Zhukov, P. P., Luk’yanenko, N. I., Naumenko, L. V., & Petrovskii, Yu. V. (1978). Kamennye ugli L’vovsko-Volynskogo basseina. L’vov: Vishcha shkola. [in Russian]


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BIOSTRATIGRAPHY OF PALEOCENE-EOCENE DEPOSITS OF THE UKRAINIAN CARPATHIANS BASED ON PLANKTONIC FORAMINIFERA

Home > Archive > No. 3–4 (185–186) 2021 > 56–64


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 56–64.

https://doi.org/10.15407/ggcm2021.03-04.056

Svitlana HNYLKO

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua

Abstract

Paleogene deposits are the main reservoir of hydrocarbon resources in the Carpathians and creation of the modern stratigraphic scheme of these deposits is the basis for improving the efficiency of geological search works. The reliable stratification is a necessary precondition for the preparation of geological maps. Stratification of the Paleocene–Eocene sediments is provided by foraminifera, nannoplankton, dinocysts, radiolarians, sponge spicules, palynoflora. Planktonic foraminifera is the main stratigraphic group of the Paleogene fauna.

In the predominantly non-calcareous flysch of the Paleocene–Eocene of the Carpathians, mainly agglutinated benthic foraminifera of siliceous composition are developed. Planktonic foraminifera are distributed locally – in calcareous facies. The most complete sequence of Paleocene–Eocene planktonic foraminifera is represented in the Metova Formation (the Vezhany nappe of the Inner Carpathians).

The results of own researches of natural sections of sediments distributed within the Magursky, Monastyretsky and Vezhany nappes of the Ukrainian Carpathians together with the analysis of literature sources are used.

The article presents a generalized biozonal division of the Paleocene–Eocene of the Ukrainian Carpathians by planktonic foraminifera. On the basis of certain correlation levels, a comparison with the Geological Time Scale was made.

The Parvularugoglobigerina eugubina Zone (lowermost Danian), Globoconusa daubjergensis Zone (middle Danian), Praemurica inconstans Zone (upper Danian); Morozovella angulata Zone (lower Selandian); Globanomalina pseudomenardii Zone fnd Acarinina acarinata Zone (upper Selandian–Thanetian); Morozovella subbotinae Zone (lower Ypresian), Morozovella aragonensis Zone (upper Ypresian); Acarinina bullbrooki Zone (lower Lutetian), Acarinina rotundimarginata Zone (upper Lutetian); Hantkenina alabamensis Zone (Bartonian); Globigerinatheka tropicalis Zone (lower Priabonian) and Subbotina corpulenta Zone (upper Priabonian) based on planktonic foraminifera are characterized in studied deposits.

Keywords

Ukrainian Carpathians, planktonic foraminifera, biostratigraphy, Paleocene–Eocene

Referenses

Andreeva-Grigorovich, A. S., Gruzman, A. D., Lozynyak, P. Yu., & Smirnov, S. E. (1987). Opornye razrezy pogranichnykh sloev eotsena i oligotsena Duklyanskoi i Marmaroshskoi zon. Paleontologicheskii sbornik, 24, 33–38. [in Russian]

Andreeva-Grigorovich, A. S., Vyalov, O. S., Gavura, S. P., Gruzman, A. D., Dabagyan, N. V., Danysh, V. V., Ivanik, M. M., Kul’chitskii, Ya. O., Lozynyak, P. Yu., Maslun, N. V., Petrashkevich, M. I., Ponomareva, L. D., Portnyagina, L. A., Smirnov, S. E., & Sovchik, Ya. V. (1984). Obyasnitelnaya zapiska k regionalnoi stratigraficheskoi skheme paleogenovykh otlozhenii Ukrainskikh Karpat [Preprint № 84-19]. Kiev: Institut geologicheskikh nauk AN USSR. [in Russian]

Andreyeva-Grigorovich, A. S. (1999). Biostratigraphic correlations of the paleogene deposits of the Ukrainian Carpathians and Crimea-Bakhchisarai area using nannoplankton and dinocysts. Geologica Carpathica, 50, 10–12.

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Dabagyan, N. V., Kruglov, S. S., & Smirnov, S. E. (1965). Litologiya i stratigrafiya melovogo i paleogenovogo chekhla zony Zakarpatskikh utesov. Trudy UkrNIIGRI, 14, 78–86. [in Russian]

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Hnylko, S. R., & Hnylko, O. M. (2013). Stratyhrafiia, biozonalnyi podil za foraminiferamy ta umovy nakopychennia paleotsen-eotsenovykh vidkladiv Vezhanskoho pokryvu Vnutrishnikh Karpat. Zbirnyk naukovykh prats Instytutu heolohichnykh nauk NAN Ukrainy, 6(1), 90–97. https://doi.org/10.30836/igs.2522-9753.2013.147156 [in Ukrainian]

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Vyalov, O. S., Gavura, S. P., Danysh, V. V., Lemishko, O. D., Leshchukh, R. I., Ponomareva, L. D., Romaniv, A. M., Smirnov, S. E., Smolinskaya, N. I., & Tsarnenko, P. N. (1988). Stratotipy melovykh i paleogenovykh otlozhenii Ukrainskikh Karpat. Kiev: Naukova dumka. [in Russian]

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FACIAL FEATURES OF THE PALEOCENE-EOCENE DEPOSITS OF ADVANCED UNITS OF THE SKYBA ZONE OF UKRAINIAN CARPATHIANS

Home > Archive > No. 3–4 (185–186) 2021 > 44–55


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 44–55.

https://doi.org/10.15407/ggcm2021.03-04.044

Halyna HAVRYSHKIV1, Yuliya HAIEVSKA2

1, 2 Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: 1galinah2404@gmail.com; 2yuhaievska@ukr.net

Abstract

There three main types of facies of Paleocene-Eocene complexes: sandy, siltstone and argillite distinguished within the study area by the nature of the distribution of the strata of the forming components were highlighted. Тhey accumulated avalanche at the foot of the continental slope and formed various facial parts of the foehn (Upper, Middle and Lower foehn). In the upper part of the Foehn was accumulated coarse-grained sediments (clusters of deep boulders and other psephyto-psammitic material containing edaphogenic rocks). Under the action of geostrophic and bottom currents, silt streams of pelitic and psammitic material moved in the direction to the south and south-east of the Carpathian sedimentation basin, forming sandy-clay and clay facies (Middle and Lower foehn). During the turbidite movement of a large amount of sediment from the first (shelf) to the second (foot of the continental slope) level of avalanche sedimentation, sorting and distribution of sediments on the continental slope took place. Based on the analysis of the material composition of Paleocene-Eocene sediments of the study area by such criteria as the size of the fragment, sedimentary textures and the ratio of different rocks, 7 facies were identified, which were deposited as gravitational flows down on the continental slope. Reconstructions of Paleocene-Eocene age flysch deposits showed that terrigene material in the studied sedimentation basin came from two sources – one of which was northwest of the study area and was characterized by a predominance of coarse-grained sandy sediments, while the source wear, which was in the central part of the studied basin was characterized by a predominance of clay silt and fine-grained psammitic material. This nature of the distribution of terrigenous material had a decisive influence on the further formation of Paleocene end Eocene sedimentary strata in the process of sedimentogenesis and post-sedimentary transformations of sediments, and on the formation of reservoir rocks and rocks with potential reservoir properties for hydrocarbon exploration. It has been established that the composition of the Psamitolites of the flysch formation of the Paleocene and Eocene ages of the Carpathians was formed on the passive continental margin or in the inland and boundary seas, and their genesis mostly corresponds only to the platform source of material wear.

Keywords

Paleocene, Eocene, facies, sandstone, flysch, continental slope, sedimentation

Referenses

Afanas’eva, I. M. (1983). Litogenez i geokhimiya flishevoi formatsii severnogo sklona Sovetskikh Karpat. Kiev: Naukova dumka. [in Russian]

Haievska, Yu. P., & Popp, I. T. (2008). Litoloho-fatsialna minlyvist serednoeotsenovykh vidkladiv Ukrainskykh Karpat. In P. F. Hozhyk (Ed.), Suchasni problemy litolohii ta minerahenii osadovykh baseiniv Ukrainy ta sumizhnykh terytorii (pp. 70–74). Kyiv: LOHOS. [in Ukrainian]

Havryshkiv, H. Ya. (2019). Mineraloho-petrohrafichni osoblyvosti paleotsenovykh vidkladiv Berehovoi i Orivskoi skyb Ukrainskykh Karpat v aspekti yikh naftohazonosnosti [Extended abstract of sandidateʼs thesis]. Instytut heolohii i heokhimii horiuchykh kopalyn NAN Ukrainy. Lviv. [in Ukrainian]

Ivanik, M. M., & Maslun, N. V. (1977). Kremnistye mikroorganizmy i ikh ispol’zovanie dlya raschleneniya paleogenovykh otlozhenii Predkarpat’ya. Kiev: Naukova dumka. [in Russian]

Kaz’min, V. G. (1989). Kollizii i riftogenez v istorii okeana Tetis. Geotektonika, 5, 14–23. [in Russian]

Khain, V. E. (2000). Krupnomasshtabnaya tsiklichnost’ v tektonicheskoi istorii Zemli i ee vozmozhnye prichiny. Geotektonika, 6, 3–14. [in Russian]

Lisitsyn, A. P. (1988). Lavinnaya sedimentatsiya i pereryvy v osadkonakoplenii v moryakh i okeanakh. Moskva: Nauka. [in Russian]

Pilipchuk, A. S., & Reifman, L. M. (1984). Otlozheniya pastoobraznykh potokov v Karpatskom flishe (popel’skaya svita). Osadochnye porody i rudy. Kiev: Naukova dumka. [in Russian]

Pilipchuk, A. S., & Vul’, M. A. (1981). Paleotsen-eotsenovyi flish Severnogo sklona Ukrainskikh Karpat – otlozheniya drevnikh morskikh glubokovodnykh konusov vynosa. In Geologiya neftegazonosnykh plastovykh rezervuarov (pp. 33–42). Moskva. [in Russian]

Senkovskyi, Yu. M., Hryhorchuk, K. H., Koltun, Yu. V., Hnidets, V. P., Radkovets, N. Ya., Popp, I. T., Moroz, M. V., Moroz, P. V., Rever, A. O., Haievska, Yu. P., Havryshkiv, H. Ya., Kokhan, O. M., & Koshil, L. B. (2018). Litohenez osadovykh kompleksiv okeanu Tetys. Karpato-Chornomorskyi sehment. Kyiv: Naukova dumka. [in Ukrainian]

Shlapinskyi, V. Ye. (2015). Heolohichna budova Skybovoho, Krosnenskoho i Dukliansko-Chornohorskoho pokryviv Ukrainskykh Karpat ta perspektyvy yikh naftohazonosnosti [Extended abstract of sandidateʼs thesis]. Lviv. [in Ukrainian]

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Varban, B., Derer, C., Anastasiu, N., Roban, R., & Popa, M. (2001). Architecture of turbidite systems as revealed by the East Carpathians Paleogene sequences (“Tarceu formation” – siriu, Romania). St. cerc. geologie, 46, 19–37.

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Vyalov, O. S., Gavura, S. P., Danysh, V. V., Leshchukh, R. I., Ponomareva, L. D., Romaniv, A. M., Smirnov, S. S., Tsarnenko, P. N., Lemishko, O. D., & Tsizh, I. T. (1988). Stratotipy melovykh i paleogenovykh otlozhenii Ukrainskikh Karpat. Kiev: Naukova dumka. [in Russian]

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PETROPHYSICAL MODELS OF DEPOSITS OF THE MENILITE SUITE OF THE OLIGOCENE FLYSH OF THE CARPATHIANS AND THE PRECARPATHIAN DEEP

Home > Archive > No. 3–4 (185–186) 2021 > 33–43


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 33–43.

https://doi.org/10.15407/ggcm2021.03-04.033

Ihor KUROVETS, Ihor HRYTSYK, Oleksandr PRYKHODKO, Pavlo CHEPUSENKO, Zoryana KUCHER, Stepan MYKHALCHUK, Svitlana MELNYCHUK, Yulia LYSAK, Lyudmyla PETELKO

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: i.kurovets@gmail.com

Abstract

Petrophysical and collecting properties of the reservoir rocks of low-porous, low-permeable deposits of the Menilite suite of the Oligocene flysh of the Carpathians and the Precarpathian deep were studied as well as their interconnections and interactions under normal conditions and in conditions that simulated the formation conditions, and their typical geological-geophysical cross-sections were constructed.

Creation of identical petrophysical models of reservoir rocks was based on the system integrated approach with which the reservoir rock is considered as a system formed in the geological time and consists of interconnected and interacted elements. Petrophysical investigation of the reservoir rocks as the system includes the studies of the characteristics of their elements, the character of interconnections between them taking the conditions of their occurrence into consideration.

On the basis of statistical processing and analysis of the results of laboratory studies of core material, the parametric petrophysical models of “core-core”-type were constructed: statistical dependences between porosity factor, permeability factor, water-saturation, specific weight, parameter of porosity, interval time for arriving acoustic waves and parameter of oil-saturation for atmospheric conditions and effective pressures being comparable to formational ones. Using the method of basic components of factor analysis it was possible to study the influence of geological factors upon geophysical parameters of the reservoir rocks in terrigenous sections and the informative value of geophysical methods while singling-out producing seams in the geological section.

Oil- and gas-saturation of the reservoir rocks, their mineralogical composition and porosity of the reservoir rocks have the most influence on the indications of geophysical methods in the boreholes, somewhat lesser: a depth of their occurrence and the thickness of the seams. Producing and water-bearing beds differ in the value of electrical resistance most of all. The influence of lithogeodynamic factors upon the collecting and physical properties of the reservoir rocks was studied. The main geological factors that determine collecting parameters of terrigenous rocks and their physical properties are the following: a mineral composition, a shape, a size of fragmental grains and pores and their mutual position, a type of fluid-saturation, a rate of catagenetic transformations and a thermodynamic state.

Keywords

Precarpathian deep, Menilite suite, petrophysical models, low-porous, low-permeable deposits

Referenses

Artym, I. V., Kurovets, S. S., Zderka, T. V., Yarema, A. V., & Kurovets, I. M. (2019). Development of the rocks fracturing model on the Carpathian region example. In 18th International Conference on Geoinformatics − Theoretical and Applied Aspects (Kyiv, May 2019) (pp. 1–5). European Association of Geoscientists & Engineers. https://doi.org/10.3997/2214-4609.201902064

Ivaniuta, M. M. (Ed.). (1998). Atlas rodovyshch nafty i hazu Ukrainy (Vol. 4). Lviv: Tsentr Yevropy. [in Ukrainian]

Krupskyi, Yu. Z. (2001). Heodynamichni formuvannia i naftohazonosnist Karpatskoho ta Volyno-Podilskoho rehioniv Ukrainy. Kyiv: UkrDHRI. [in Ukrainian]

Krupskyi, Yu. Z., Kurovets, I. M., Senkovskyi, Yu. M., Mykhailov, V. A., Chepil, P. M., Dryhant, D. M., Shlapinskyi, V. Ye., Koltun, Yu. V., Chepil, V. P., Kurovets, S. S., & Bodlak, V. P. (2014). Netradytsiini dzherela vuhlevodniv Ukrainy: Vol. 2. Zakhidnyi naftohazonosnyi rehion. Kyiv: Nika-Tsentr. [in Ukrainian]

Kurovets, I. M., Mykhailov, V. A., Zeikan, O. Yu., Krupskyi, Yu. Z., Hladun, V. V., Chepil, P. M., Hulii, V. M., Kurovets, S. S., Kasianchuk, S. V., Hrytsyk, I. I., & Naumko, I. M. (2014). Netradytsiini dzherela vuhlevodniv Ukrainy: Vol. 1. Netradytsiini dzherela vuhlevodniv: ohliad problemy. Kyiv: Nika-Tsentr. [in Ukrainian]

Kurovets, I., Prykhodko, O., Hrytsyk, I., & Chepil, P. (2017). Teoretyko-eksperymentalni zasady diahnostyky netradytsiinykh pokladiv vuhlevodniv za petrofizychnymy kryteriiamy. Heolohiia i heokhimiia horiuchykh kopalyn, 1–2(170–171), 82–84. [in Ukrainian]

Kurovets, I., Prytulka, H., Sheremeta, O., Zubko, O., Osadchyi, V., Hrytsyk, I., Prykhodko, O., Kosianenko, H., Chepusenko, P., Shyra, A., Kucher, Z., & Oliinyk, K. (2006). Petrofizychni modeli skladnopobudovanykh kolektoriv vuhlevodniv. Heolohiia i heokhimiia horiuchykh kopalyn, 3–4, 119–139. [in Ukrainian]

Kurovets, S. S., Artym, I. V., & Kurovets, I. M. (2018). Researching the fracturing of the reservoir rocks. Journal of Hydrocarbon Power Engineering, 5(1), 1–6.

Naumko, I. M., Kurovets’, I. M., Zubyk, M. I., Batsevych, N. V., Sakhno, B. E., & Chepusenko, P. S. (2017). Hydrocarbon compounds and plausible mechanism of gas generation in “shale” gas prospective Silurian deposits of Lviv Paleozoic depression. Geodynamics, 1(22), 26–41. https://doi.org/10.23939/jgd2017.01.036

Polivtsev, A. V., & Bulmasov, V. A. (1984). Radiogeokhimicheskaya kharakteristika osadochnykh porod Vnutrennei zony Predkarpatskogo progiba. In Geofizicheskie issledovaniya neftegazonosnykh provintsii Ukrainy (pp. 131–139). Kiev: Naukova dumka. [in Russian]


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PROSPECTS FOR OIL AND GAS PRESENCE OF LOWER SARMATIAN DEPOSITS IN THE NORTH-WESTERN PART OF THE OUTER ZONE OF THE CARPATHIAN FOREDEEP (by hydrogeochemical and hydrodynamic indicators)

Home > Archive > No. 3–4 (185–186) 2021 > 16–32


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 16–32.

https://doi.org/10.15407/ggcm2021.03-04.016

Halyna MEDVID, Olga TELEGUZ, Vasyl HARASYMCHUK, Maria KOST’, Solomiya KALMUK

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua

Abstract

The hydrogeochemical parameters of the Lower Sarmatian aquifer of the north-western part of the Outer Zone of the Carpathian Foredeep have been studied. The waters of the chloride-calcium type (according to the classification of V. O. Sulin) are dominated. Other types of water are distributed locally. On the basis of the calculated genetic coefficients, the conclusion on sedimentogenic conditions of their forming during a geological history of the region is made.

It is established that the general tendency for the deposits of the Outer Zone is increasing of TDS of water with depth and stratigraphy. The waters of the north-western part of the Outer Zone are characterized by reduced values of sulfate content and sulfation coefficient rSO42– · 100/rCl, indicating the conditions of hydrogeological closed structures.

The genetic index of formation water metamorphism (rNa+/rCl) is mainly inversely dependent on TDS. Its values greater than one are inherent in waters of hydrocarbonate-sodium and sulfate-sodium types, which are not typical for the hydrocarbon deposits. The nature of fluctuations in the values of the chlorine-bromine coefficient is fully consistent with other hydrochemical parameters and the results of paleohydrodynamic reconstructions.

A detailed analysis of the current hydrodynamic situation of Lower Sarmatian aquifer in combination with geochemical features and paleohydrodynamic reconstructions allowed to identify the perspective structures of the studying region. Our forecasts for the gas potential of the Krukenychy depression are consistent with the forecasts of researchers of Ivano-Frankivsk National Technical University of Oil and Gas. The results of their research are based on gravitational field anomalies.

Keywords

hydrogeological criteria, hydrogeochemical features, hydrocarbons, Outer Zone, Carpathian Foredeep

Referenses

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Harasymchuk, V., & Lukianchuk, D. (2010). Hidroheolohichni aspekty hazonosnosti verkhnobadenskykh vidkladiv Zovnishnoi zony Peredkarpatskoho prohynu. Heolohiia i heokhimiia horiuchykh kopalyn, 3–4(152–153), 125–141. [in Ukrainian]

Harasymchuk, V., Medvid, H., Kost, M., & Telehuz, O. (2019). Paleo- ta suchasni hidroheolohichni umovy Bilche-Volytskoi zony Karpatskoi naftohazonosnoi provintsii. Heolohiia i heokhimiia horiuchykh kopalyn, 2(179), 68–83. https://doi.org/10.15407/ggcm2019.02.068 [in Ukrainian]

Ivaniuta, M. M. (Red.). (1998). Atlas rodovyshch nafty i hazu Ukrainy: Vol. 4. Zakhidnyi naftohazonosnyi rehion. Lviv: Tsentr Yevropy. [in Ukrainian]

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Kolodii, V. V., Boiko, H. Yu., Boichevska, L. T., Bratus, M. D., Velychko, N. Z., Harasymchuk, V. Yu., Hnylko, O. M., Danysh, V. V., Dudok, I. V., Zubko, O. S., Kaliuzhnyi, V. A., Kovalyshyn, Z. I., Koltun, Yu. V., Kopach, I. P., Krupskyi, Yu. Z., Osadchyi, V. H., Kurovets, I. M., Lyzun, S. O., Naumko, I. M., . . . Shcherba, O. S. (2004). Karpatska naftohazonosna provintsiia. Lviv; Kyiv: Ukrainskyi vydavnychyi tsentr. [in Ukrainian]

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Kolodii, V., & Medvid, H. (2008). Hidroheokhimichni osoblyvosti Letnianskoho hazokondensatnoho rodovyshcha (Ukrainske Peredkarpattia). Heolohiia i heokhimiia horiuchykh kopalyn, 3(144), 88–97. [in Ukrainian]

Kolodii, V., Medvid, H., Harasymchuk, V., Pankiv, R., Velychko, N., & Dobushchak, M. (2006). Hidroheolohiia naftovykh i hazovykh rodovyshch Karpatskoi naftohazonosnoi provintsii. Chastyna I. Heolohiia i heokhimiia horiuchykh kopalyn, 3–4, 140–159. [in Ukrainian]

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