Category: Hydrogeology

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ASSESSMENT OF THE ECOLOGICAL AND GEOCHEMICAL STATUS OF GROUNDWATER IN THE BORYSLAV-POKUTTIA ZONE OF THE CARPATHIAN FOREDEEP

Home > Archive > No. 3–4 (199–200) 2025 > 58–72

Geology & Geochemistry of Combustible Minerals No. 3–4 (199–200) 2025, 58–72

https://doi.org/10.15407/ggcm2025.199-200.058

Olha TELEHUZ, Halyna MEDVID, Vasyl HARASYMCHUK

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

Abstract

Introduction. Assessment and study of the ecological and geochemical characteristics of groundwater and determination of their compliance with environmental standards is a relevant area of research, as these waters are used by the population for domestic and drinking purposes.

Purpose of the article. Analysis and assessment of ecological and geochemical indicators of groundwater within the Boryslav-Pokuttia Zone of the Carpathian Foredeep, identification of natural and anthropogenic influences, and determination of their compliance with environmental standards.

Research methods. The results of analytical determinations of 35 water samples from shallow wells and boreholes used by the population for domestic and drinking purposes are presented. To establish the status of groundwater, the maximum permissible concentration (MPC) standards for sanitary and chemical indicators of drinking water safety and quality, as well as indicators of physiological compliance with the mineral composition of drinking water, were utilized. Statistical, analytical, and graphical visualization methods were used to process and interpret the results of water analyses.

Results. The composition of the studied waters varies from hydrocarbonate calcium to chloride calcium-sodium. Statistical analysis of the data on the content of macroelements in groundwater showed abnormal variation in the concentrations of chlorine, sodium and potassium, mineralization and magnesium.

A close linear positive correlation between Pearsonʼs correlation coefficients between mineralization and concentrations of Na+ + K+, Ca2+, Mg2+, Cl− and permanganate oxidability was established, indicating the presence of a single process of groundwater enrichment with these ions.

It has been established that the main processes affecting the geochemical composition of groundwater are water-rock interaction and evaporation, which is particularly clearly illustrated by two samples from wells in the Volia Blazhivska village.

The graphs showing the interdependence of sodium and chlorine concentrations demonstrate increased concentrations of these ions in groundwater, which are caused by the dissolution of halite and the amount of atmospheric precipitation. The graph of the ratio (HCO3− + SO42−) and (Ca2+ + Mg2+) indicates the dominance of cation exchange processes in the studied aquifer.

Conclusions. It has been established that the main factors influencing the chemical composition of groundwater within the Boryslav-Pokuttia Zone of the Carpathian Foredeep are water-rock interaction, evaporative concentration and anthropogenic impact. Exceedances of sanitary and chemical safety and quality standards for drinking water have been identified in terms of total hardness, permanganate oxidisability, chloride content, total salt content and nitrate content. Non-compliance with the standards for the physiological adequacy of the mineral composition of drinking water is recorded for calcium, potassium, sodium, total salt content, total hardness, alkalinity and magnesium content, which makes them of limited suitability for human consumption. However, the majority of samples showed no deviations from the normative values for the indicators assessed.

Full Text

Keywords

macrocomponent composition, ecological and geochemical indicators, water quality, oil and gas bearing area

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ASSESSMENT OF SANITARY AND CHEMICAL INDICATORS OF SPRING WATERS OF THE CITY OF LVIV AND ITS SURROUNDINGS

Home > Archive > No. 3–4 (199–200) 2025 > 44–57

Geology & Geochemistry of Combustible Minerals No. 3–4 (199–200) 2025, 44–57

https://doi.org/10.15407/ggcm2025.199-200.044

Solomiia KALMUK, Halyna MEDVID, Vasyl HARASYMCHUK, Olha TELEHUZ, Iryna SAKHNIUK, Orysia MAYKUT

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

Abstract

In this article, the authors examined 15 sources in Lviv and the surrounding area. Sanitary-chemical indicators and quality of spring waters were assessed. It is established that in 2024 оnly 2 springs are suitable for human consumption: “Spartak” and the source in Bryukhovychy. In all other springs many water quality indicators exceed the maximum permissible concentration (MPC): mineralisation, hardness, sulfates, calcium and nitrates. In two sources (High Castle and “Green Eye”) we observe an excess of nitrates. In the spring on Bilogorshcha we observe a slight excess of the mineralization index. Мost of the investigated waters are very hard, source “Spartak” – moderately hard. Nitrite and ammonium content was not detected in any water sample. The concentration of sodium ions in all sources of the city of Lviv and its surroundings is within normal limits and does not exceed the MPC. Chlorides are determined within normal limits in all selected samples, no exceedance of the maximum permissible concentration (MPC) is observed. Sulfates are present in all samples, but only in the source on Bilogorshcha they exceed the MPC norm by 1.5 times. Most of Lviv’s springs are calcium bicarbonate in composition. And only the source on Bilogorshcha is atypical in chemical composition – calcium sulfate. Such indicators are probably related to water-bearing rocks – gypsoanhydrite deposits of the Tyrrhenian Badenian aquifer.

A comparative analysis of ten popular sources in the city of Lviv was conducted over 14–15 years. The “Spartak” spring has remained suitable for human consumption for 18 years and the water from this spring meets the requirements for drinking water. The source in front of Vynnyky Lake was suitable for human consumption in 2010, but in 2024, due to an excess of calcium ions, it became unfit for consumption. Other springs also remain unfit for human consumption. Significant changes are observed in the nitrate content in the spring in Stryisky Park: over the past 15 years, the concentration of nitrates has decreased sixfold and no longer exceeds the MPC. Positive dynamics in the purification of the mineral composition of groundwater are observed in the springs at High Castle (the content of Calcium and nitrates is still above the MPC) and in Stryisky Park (the concentration of Calcium and hardness is above the MPC). The spring in Kleparov would have good characteristics, but the high calcium content excludes it from being suitable for human consumption and provokes an increase in hardness.

Full Text

Keywords

aquifer, sanitary and chemical indicators, hydrogen index, mineralisation, water hardness, drinking water, springs of Lviv and its surroundings

Referenses

Andreichuk, Yu. M., Voloshyn, P. K., Savka, H. S., Shandra, Yu. Ya., & Shushniak, V. M. (2020). Nova spetsialna hidroheolohichna karta Lvova. In Resursy pryrodnykh vod Karpatskoho rehionu (Problemy okhorony ta ratsionalnoho vykorystannia): zbirnyk naukovykh statei XIX Mizhnarodnoi naukovo-praktychnoi konferentsii (Lviv, 8–9 zhovtnia 2020 r.) (pp. 6–9). Lviv. [in Ukrainian]

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RESEARCH OF CHANGES IN THE QUALITY OF DRINKING WATER IN THE SOUTH-WESTERN PART OF BRYUKHOVYCHI (Lviv Region, Ukraine)

Home > Archive > No. 1–2 (193–194) 2024 > 141–153

Geology & Geochemistry of Combustible Minerals No. 1–2 (193–194) 2024, 141–153

https://doi.org/10.15407/ggcm2024.193-194.141

Solomiia KALMUK, Iryna SAKHNIUK, Oksana KOKHAN, Halyna ZANKOVYCH

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

Abstract

The drinking water supply of Lviv Region requires special water treatment, a large part of which does not meet the standards due to increased mineralization, hardness and pollution by industrial and domestic effluents. A study of changes in the quality of drinking water from wells of private houses from two streets of the southwestern part of the village of Bryukhovychi was conducted. It was established that for the period 2011–2023 in most of the sampling points, the quality of water has significantly deteriorated, in some – the water composition has changed, many indicators of macro components have exceeded the maximum permissible concentration (MPC). According to the hydrogen indicator, the water from the studied wells is neutral and does not exceed the MPC. According to the degree of mineralization, the investigated water samples from wells of private residences belonged to fresh water, with the exception of the household on the street. Ozhinova, 2, where the water was weakly mineralized. Over the course of 12 years, the situation worsened significantly — in two more wells, the mineralization increased and exceeded the MPC, and fresh water became weakly mineralized. The best situation regarding the mineralization indicator is observed in the well of the household on the Lisna, 8a: the water is fresh, the growth of mineralization is insignificant and the MPC is not exceeded.

As for water hardness, in all studied samples the water became hard and exceeded the MPC in two wells. The content of macrocomponents, which exceeds or approaches the maximum permissible concentrations, has also changed. The chemical composition of the studied water samples also changed over the course of 12 years, mainly due to the increase in the content of sulfate, chloride, and sodium ions. That is, in all the selected samples there is a tendency to deterioration of the quality of drinking water. Only from the well on the street in Lisna 8a, the macrocomponent composition of the sample almost did not change, and the water quality of this household remained the best.

The content of ammonium, nitrates and nitrites in the studied water samples decreased or increased insignificantly, which indicates a slight anthropogenic influence. Proximity to the Soluky mineral water deposit can probably be a factor in the change in the quality of drinking water. Since the water of the Soluky deposit is sulfate-chloride calcium-sodium, and the water from the wells of the Ozhinova 2, 6, and 7 buildings has changed its chemical composition, being enriched with sulfate, chloride, and sodium ions, similar to the composition of the Soluky, it can be assumed that in the sediments of cracked marls of the Upper Cretaceous, groundwater flows occur.

Full Text

Keywords

aquifer, hydrogen index, mineralisation, water hardness, drinking water, Bryukhovychi

Referenses

Andreichuk, Yu. M., Voloshyn, P. K., Savka, H. S., Shandra, Yu. Ya., & Shushniak, V. M. (2020). Nova spetsialna hidroheolohichna karta Lvova. In Resursy pryrodnykh vod Karpatskoho rehionu (Problemy okhorony ta ratsionalnoho vykorystannia): zbirnyk naukovykh statei XIX Mizhnarodnoi naukovo-praktychnoi konferentsii (Lviv, 8–9 zhovtnia 2020 r.) (pp. 6–9). Lviv. [in Ukrainian]

Didula, R. P., Kondratiuk, Ye. I., Blavatskyi, Yu. B., Usov, V. Yu., & Pylypovych, O. V. (2018). Otsinka sanitarno-khimichnykh pokaznykiv bezpechnosti ta yakosti vody populiarnykh dzherel riznykh heostrukturnykh zon Lvivshchyny. Hidrolohiia, hidrokhimiia i hidroekolohiia, 4, 87–101. http://nbuv.gov.ua/UJRN/glghge_2018_4_8 [in Ukrainian]

Hihiienichni vymohy do vody pytnoi, pryznachenoi dlia spozhyvannia liudynoiu (DSanPiN 2.2.4-171-10). (2010). Kyiv. [in Ukrainian]

Kalmuk, S. D., Sakhniuk, I. I., & Mandzia, O. B. (2013). Otsinka yakosti pytnoi vody u pivnichno-zakhidnii chastyni Briukhovych. In Resursy pryrodnykh vod Karpatskoho rehionu (Problemy okhorony ta ratsionalnoho vykorystannia): zbirnyk naukovykh statei XII Mizhnarodnoi naukovo-praktychnoi konferentsii (Lviv, 30–31 travnia 2013 r.) (pp. 122–124). Lviv. [in Ukrainian]

Kokhan, O., Zankovych, H., Kalmuk, S., Sakhniuk, I., & Herlovskyi, Yu. (2023). Monitorynh otsinky yakosti pytnoi vody u pivnichno-zakhidnii chastyni smt Briukhovychi (vul.Ozhynova). In Resursy pryrodnykh vod Karpatskoho rehionu (Problemy okhorony ta ratsionalnoho vykorystannia): zbirnyk naukovykh statei XXI Mizhnarodnoi naukovo-praktychnoi konferentsii (Lviv, 25–26 travnia 2012 r.) (pp. 31–33). Lviv. [in Ukrainian]

Kolodii, V. V., Kolodii, I. V., & Maievskyi, B. Y. (2009). Naftohazova hidroheolohiia. Ivano-Frankivsk: Fakel. [in Ukrainian]

Kolodii, V., Pankiv, R., & Maikut, O. (2007). Do hidroheolohii i hidroheokhemii Lvova y okolyts. Pratsi naukovoho tovarystva im. Shevchenka. Heolohichnyi zbirnyk, 19, 175–181. [in Ukrainian]

Kondratiuk, Ye., Didula, R., Blavatskyi, Yu., & Tryhuba, L. (2012). Vyvchennia yakosti hospodarsko-pytnykh vod mista Lvova. Sut ta aktualnist problemy. Medychna hidrolohiia ta reabilitatsiia, 10(4), 1–10. http://nbuv.gov.ua/UJRN/MedGid_2012_10_4_12 [in Ukrainian]

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Ostroukh, O. A. (2014). Bahatorichni tendentsii zmin mineralizatsii gruntovykh pidzemnykh vod terytorii pivdenno-zakhidnoi chastyny Zakarpatskoi oblasti (na osnovi HIS). Visnyk Dnipropetrovskoho universytetu. Seriia “Heolohiia. Heohrafiia”, 15, 2–8. [in Ukrainian]

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ECOLOGICAL AND GEOCHEMICAL CHARACTERISTIC OF NATURAL WATERS WITHIN THE INFLUENCE LIMITS OF THE DOBRIVLYANY GAS CONDENSATE FIELD (PRECARPATHIA)

Home > Archive > No. 1–2 (187–188) 2022 > 115–126

Geology & Geochemistry of Combustible Minerals No. 1–2 (187–188) 2022, 115–126.

https://doi.org/10.15407/ggcm2022.01-02.115

Halyna MEDVID1, Oleg СHEBAN2, Maria KOST’1, Olga TELEGUZ1, Vasyl HARASYMCHUK1, Iryna SAKHNYUK1, Orysia MAYKUT1, Solomia KALMUK1

1 Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: igggk@mail.lviv.ua
2 LLC “Stryinaftogaz”, Stryi, Lviv Region, Ukraine, e-mail: ovcheb2015@gmail.com

Abstract

A study of natural waters within the influence of the Dobrivlyany gas condensate field, located in the Dobryany and Dobrivlyany area village councils of the Stryi district of the Lviv Region of Ukraine, was conducted.

The purpose of the work is to evaluate the geochemical indicators of natural waters based on our own research, to find out the role of natural and man-made factors in the formation of the chemical composition of waters.

The objects of the research are surface waters and groundwaters within the influence of the Dobrivlyany gas condensate field.

Research results. In the research area, as well as in the Bilche-Volytsia zone in general, there are unfavorable conditions for active water exchange and the formation of fresh infiltration waters, since the upper part of the geological section is characterized by clayey Neogene deposits. The depth of penetration of fresh hydrocarbonate-calcium waters here does not exceed 70 m. The small thickness of the zone of active water exchange is one of the indicators of difficult water exchange in the subsoil, therefore, favourable conditions for the preservation of hydrocarbon deposits.

As a result of exploratory work, the Dobrivlyany gas condensate field was opened in 2016. During 2016–2019, 7 boreholes were drilled, and industrial gas inflows were received from horizons LD-9, LD-12, and N1kr+K2. In tectonic terms, the deposit is confined to the northwestern part of the Kosiv-Ugersko subzone of the Bilche-Volytsia zone of the Carpathian Foredeep.

Observation of the macro component composition of groundwater from the wells of the Dobrivlyany gas condensate field indicates the stability of the hydrodynamic conditions of the deposit and, accordingly, the low variability of their geochemical characteristics. Direct hydrogeochemical zonation is clearly manifested in the increase in water mineralization with depth: for the LD-9 horizon at depths of 800–840 m, it varies within the range of 34.74–48.55 g/dm3, for LD-12 at depths of 995–1010 m – 33.82–73.70 g/dm3 and for N1kr+K2 at 1131–1158 m – 67.49–100.31 g/dm3. The content of Br and J doubles with depth. All waters are of the chloride-calcium type (according to Sulin), and genetic indicators vary within narrow limits (rNa/rCl – 0.82–0.91; Cl/Br – 216–315; rSO4 ∙ 100/rCl – 0.003–0.5) and indicate their thalassogenic sedimentogenic origin. The analysis of research results showed that underground waters belong to a single hydrodynamic system, and are characterized by the same type of water according to their chemical composition.

According to the qualitative characteristics of groundwater from an ecological borehole and a well in the Dobrivlyany village remain clean and meets regulatory requirements for drinking water. At the same time, water from a well in Vivnya village is characterized by a high content of nitrates (2.28 maximum permissible concentration), which is caused by the location of the pig complex “Halychyna-Zakhid” LLC on the outskirts. Increased content of organic substances in the waters of two wells of the Railiv village was also established, in which the permanganate oxidizability reaches 1.08–1.24 maximum permissible concentration, and, according to Hygienic requirements for drinking water intended for human consumption, is unfit for consumption. The waters of the Kolodnytsia River are chloride-hydrocarbonate sodium-calcium (calcium-sodium) in composition, while the waters of the Stryi River and the Zhizhava River are calcium bicarbonate.

Full Text

Keywords

surface waters, groundwaters, ecological and geochemical characteristic, Dobrivlyany gas condensate field

Referenses

Babinets, A. Ye., & Malskaya, R. V. (1975). Geokhimiya mineralizovannikh vod Predkarpatya. Kiev: Naukova dumka. [in Russian]

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]

Hihiienichni vymohy do vody pytnoi, pryznachenoi dlia spozhyvannia liudynoiu (DSanPiN 2.2.4-171-10). (2010). Kyiv. https://zakon.rada.gov.ua/laws/show/z0452-10#Text [in Ukrainian]

Kost, M., Medvid, H., Harasymchuk, V., Telehuz, O., Sakhniuk, I., & Maikut, O. (2020). Heokhimichna kharakterystyka richkovykh ta gruntovykh vod (Zovnishnia zona Peredkarpatskoho prohynu). Heolohiia i heokhimiia horiuchykh kopalyn, 1(182), 76–87. https://doi.org/10.15407/ggcm2020.01.076 [in Ukrainian]

Kost, M. V., Medvid, H. B., Telehuz, O. V., Cheban, O. V., Harasymchuk, V. Yu., Sakhniuk, I. I., Maikut, O. M., & Kalmuk, S. D. (2022). Monitorynhovi doslidzhennia pidzemnykh vod v mezhakh vplyvu Dobrivlianskoho hazokondensatnoho rodovyshcha. In Resursy pryrodnykh vod Karpatskoho rehionu. Problemy okhorony ta ratsionalnoho vykorystannia: zbirnyk naukovykh statei KhKh Mizhnarodnoi naukovo-praktychnoi konferentsii (Lviv, 26–27 travnia 2022 r.) (pp. 11–12). Lviv. [in Ukrainian]

Medvid, H. B. (2018). Paleohidroheolohichna kharakterystyka miotsenu pivnichno-zakhidnoi chastyny Zovnishnoi zony Peredkarpatskoho prohynu. Heolohiia i heokhimiia horiuchykh kopalyn, 3–4(176–177), 73–85. [in Ukrainian]

Shcherba, V. M., Pavlyukh, I. S., & Shcherba, A. S. (1987). Gazovie mestorozhdeniya Predkarpatya. Kiev: Naukova dumka. [in Russian]

Shestopalov, M., Liutyi, H., & Sanina, I. (2019). Suchasni pidkhody do hidroheolohichnoho raionuvannia Ukrainy. Mineralni resursy Ukrainy, 2, 3–12. https://doi.org/10.31996/mru.2019.2.3-12 [in Ukrainian]

Shtohryn, O. D., & Havrylenko, K. S. (1968). Pidzemni vody zakhidnykh oblastei Ukrainy. Kyiv: Naukova dumka. [in Ukrainian]

 «Stryinaftohaz» planuie rozshyrennia mezh Dobrivlianskoi ploshchi. (2019). EXPRO Consulting. https://expro.com.ua/novini/striynaftogaz-planu-rozshirennya-mej-dobrvlyansko-plosch [in Ukrainian]

TOV «Burproekt». (2019). Zvit z otsinky vplyvu na dovkillia planovanoi diialnosti z rozshyrenniam mezh spetsialnoho dozvolu na heolohichne vyvchennia, v tomu chysli doslidno-promyslovu rozrobku Dobrivlianskoho HKR, roztashovanoho v mezhakh Stryiskoho raionu Lvivskoi oblasti zghidno spets. dozvolu N 4748 vid 12.04.2016 r. Lviv. [in Ukrainian]

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FORECAST ESTIMATION OF OIL AND GAS RESERVES OF LOWER CRETACEOUS SEDIMENTS IN KARKINIT-NORTHERN CRIMEAN DEEP (by gas-hydrogeochemical indicators)

Home > Archive > No. 3 (180) 2019 > 90-99

Geology & Geochemistry of Combustible Minerals No. 3 (180) 2019, 90-99.

https://doi.org/10.15407/ggcm2019.03.090

Ivanna KOLODIY, Halyna MEDVID

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

Abstract

Distribution features of formation waters in Karkinit-Northern Crimean deep were studied; the conditions of chemical composition origin of formation waters have been studied as well.

The regional features for the distribution of formation waters and the conditions of their chemical composition forming of the Lower Cretaceous complex are established.

The formation waters are salty or saline and commonly have low metamorphism intensity.

The formation waters of the Lower Cretaceous complex are salt with often a low degree of metamorphosis.

The values of the variation coefficients of five principal components (mineralization, (Na + K), chlorine (Cl), bromine (Br), and the water sampling depths) are estimated to range from 28.73 to 57.14 %, which indicates insignificant variability each of these indicators; this characteristic does not depend on the type of water and place of sampling.

The seven objects of the correlation such as mineralization, chlorine, calcium, ammonium, bromine, sulfates and hydrocarbonates are closely associated with each other.

The land waters are commonly of calcium chloride (Cl.Ca) or hydrocarbonate natrium (Hyd.Car.Na) type, whereas in the water area all variety of formation waters has been recognized. Formation waters of Late Cretaceous shelf complex as well as formation waters at Tarkhankut peninsula have close relation between chemical components, low variations in the composition of macro- and microcomponents. Therefore, the formation waters of these regions could be formed in quite similar conditions.

The characteristic features of the shelf formation waters are high sulfate content, despite the fact that waters complex occurs at great depths.

At the same time, a decrease in the metamorphism intensity is observed as well as an increase in the Cl/Br ratio up to 1000 or more, caused by low bromine content. It is apparent that such characteristic can be the result of extrusion of water at the late stages of clay rocks dehydration. Paleoinfiltration processes in Lower Cretaceous complex may be considered as an alternative explanation.

High gas saturation in the waters of the folded basin bed has been recognized at Golytsyno area and at the Tarkhankut peninsula (Melova, Oktyabrska, Berezivska and Western Oktyabrska areas). This allows us to predict the prospects of the Lower Cretaceous sediments of the Karkinit-Northern Crimean deep.

Full Text

Keywords

Karkinit-Northern Crimean deep, Lower Cretaceous aquiferous complex, hydrogeochemical conditions, sedimentary waters, dissolved gases.

REFERENCES

Albov, S. V. (1956). Gidrogeologiya Kryma [The hydrogeology of the Crimea]. Kiev: Pub. house of the Academy of Sciences of the Ukrainian SSR. [in Russian]
 
Kolodiy, I. V. (1998). Kondensatsiini vody Holytsynskoho rodovyshcha (pivnichno-zakhidnyi shelf Chornoho moria) [The condensation waters of Golytsyno field (north-western shelf of the Black Sea)]. Geology and geochemistry of Combustible minerals, 2 (103), 36-41. [in Ukrainian]
 
Kolodiy, I. V. (2014). Prohnozuvannia lokalizatsii vuhlevodnevykh skupchen Prychornomorskoho vodonapirnoho baseinu za hidroheokhimichnymy pokaznykamy [Expected localization of hydrocarbon deposits of the Black Sea aquiferous basin based on hydrogeochemical indications]. Visnyk of V. N. Karazin Kharkiv National University, vol. 1128, p. 32-36. [in Ukrainian]
 
Kolodiy, I. V., & Medvid, G. B. (2018). Hidroheolohichna kharakterystyka nyzhnokreidovoho teryhennoho kompleksu Karkinitsko-Pivnichnokrymskoho prohynu v aspekti naftohazonosnosti [Hydrogeological characteristics of the Lower Cretaceous terrigenous complex of the Karkinit-Northern Crimean Deep in the aspect of its potential for oil and gas presence]. Visnyk of V. N. Karazin Kharkiv National University, ser. Geology. Geography. Ecology, 49, 59-69. https://doi.org/10.26565/2410-7360-2018-49-05 [in Ukrainian]
https://doi.org/10.26565/2410-7360-2018-49-05
 
Kolodiy, V. V. (1971). Pro pokhodzhennia hidrokhimichnykh anomalii na Oktiabrskomu naftovomu ta Zakhidno-Oktiabrskomu hazokondensatnomu rodovyshchakh Krymu [About the occurence of hydrochemical anomalies in Oktyabrske oil and Western Oktyabrske gas-condensate fields of the Crimea]. Geology and geochemistry of Combustible minerals, 27, 16-19. [in Ukrainian]
 
Kolodiy, V. V., & Sivan, T. P. (1980). Priroda vodonapornykh sistem nizhnemelovykh otlozheniy Kryma i zapadnogo Predkavkazia [Nature of water drive systems of Lower Cretaceous sediments of the Crimea]. Proceedings of the Academy of Sciences of the USSR, ser. Geology, 8, 124-132. [in Russian]
 
Lihomanova, I. N. (1967). Gidrokhimicheskiye pokazateli neftegazonosnosti Ravninnogo Kryma [Hydrochemical indices of oil and gas bearingness of the Plain Crimea]. (Extended abstract of candidateʼs thesis). Kiev. [in Russian]
 
Shtogrin, O. D., Tedovidov, A. S., & Nechina, S. V. (1973). Heokhimiia pidzemnykh vod Stepovoho Krymu ta yii naftohazoposhukove znachennia [Geochemistry of the formation waters of the Steppe Crimea and their oil and gas significance]. Kiev: Naukova Dumka. [in Ukrainian]
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PALEO- AND EXISTENT HYDROGEOLOGICAL CONDITIONS OF THE BILCHE-VOLYTSA ZONE OF THE CARPATHIAN OIL- AND GAS-BEARING PROVINCE

Home > Archive > No. 2 (179) 2019 > 68-83

Geology & Geochemistry of Combustible Minerals No. 2 (179) 2019, 68-83.

https://doi.org/10.15407/ggcm2019.02.068

Vasyl HARASYMCHUK, Halyna MEDVID, Maria KOST, Olha TELEGUZ

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

Abstract

On the basis of paleo- and modern hydrogeological sings it was possible to establish a space-time mechanism of formation and reservation of gas and oil deposits in the Bilche-Volytsa zone of the Carpathian oil- and gas-bearing province.

The time interval of their forming applies on the last cycle of the hydrogeological time. Geodynamic and secondary geostatic loadings, that manifested themselves during the dynamo-elision stage (Late Badenian – up to the present) the development of which was caused by thrust motions of the covers, turned out to be the factors of migration of aqueo-hydrocarbon mixtures deep underthrust structures of the Inner zone. Time calculations for reservation of deposits of gas fields have determined their age which does not exceed 6 million years.

The south-western trend of motion of paleo- and modern infiltration waters in combination with reversed dynamo-elision have caused here the existence hydrodynamically balanced system squeezed between them which differs by favourable conditions for the formation and reservation of hydrocarbon deposits.

We have ascertained the connection between piezomaxima and areas of tectonic dislocation, mainly transverse, that points out the ways of transsference of hydrocvarbon mixtures from deep-seated horisons. Discharge areas (perspective on a plane of searching for new deposits) are limited by local piezomaxima on the background of regional fields. Areas of paleopiezominima in the near-fault part of the Ugerske-Kosiv blocks at the boundary with the East European Platform are favourable for localization of hydrocarbon deposits.

Results of the baroosmotic analysis of hydrogeological conditions of gas and oil fields have revealed baroosmotic flows of waters molecules in the thickness of clay rocks, their intensity and directions of motion and connections with deposits.

Full Text

Keywords

Bilche-Volytsya oil- and gas-bearing zone, paleohydrodynamics, hydrogeochemistry, elision, infiltration, baroosmose.

REFERENCES

Atlas rodovyshch nafty i hazu [Atlas of oil and gas fields of Ukraine] (Vol. 4). (1998). – Lviv: UOGA. [in Ukrainian]

Babinets, A. E., & Malskaya, R. V. (1975). Geokhimiya mineralizovannykh vod Predkarpat’ya [Geochemistry of mineralized waters of the Precarpathian region]. Kiev: Naukova dumka. [in Russian]

Harasymchuk, V. Yu., Kolodii, V. V., & Kulynych, O. V. (2004). Heneza vysokokontsentrovanykh solianok pidnasuvnykh vidkladiv pivdenno-skhidnoi chastyny Zovnishnoi zony Peredkarpatskoho prohynu [Genesis of highly concentrated brines of sub-cumulative sediments of the southeastern part of the Outer Zone of the Precarpathian Foredeep]. Геологія і геохімія горючих копалин [Geology and Geochemistry of Combustible Minerals], 4, 105–119. [in Ukrainian]

Harasymchuk, V. Yu., & Medvid, H. B. (2010). Gidrogeologicheskie usloviya razrusheniya gazovykh mestorozhdenii Vneshnei zony Predkarpatskogo progiba: Fundamental’nye problemy neftegazovoi gidrogeologii [Hydrogeological conditions of destruction of gas fields of the Outer Zone of the Precarpathian Foredeep: Fundamental problems of oil and gas hydrogeology]. In Materialy Vserossiiskoi nauchnoi konferentsii, posvyashchennoi 85-letiyu A. A. Kartseva (Rossiya, Moskva, 21–23 sentyabrya 2010 g.) [Proceedings of the Russian Scientific Conference dedicated to the 85th Anniversary of A. A. Kartsev (Russia, Moscow, September 21–23, 2010)] (pp. 83–87). Moscow. [in Russian]

Kartsev, A. A. (1963). Gidrogeologiya neftyanykh i gazovykh mestorozhdenii [Hydrogeology of oil and gas fields]. Moscow: Gostoptehizdat. [in Russian]

Kolodii, V. V., Boyko, G. Yu., Boychevskaya, L. T. et al. (2004). Karpatska naftohazonosna provintsiia [Carpathian oil and gas province]. Lviv; Kyiv: Ukrainian Publishing Centre. [in Ukrainian]

Kolodii, V. V., & Koynov I. M. (1984). Izotopnyi sostav vodoroda i kisloroda podzemnykh vod Karpatskogo regiona i voprosy ikh proiskhozhdeniya [Isotopic composition of hydrogen and oxygen of groundwater in the Carpathian region and issues of their origin]. Geokhimiya [Geochemistry], 5, 721–733. [in Russian]

Kushnir, S. V. (2009). Baroosmotychnyi analiz yak novyi metod hidroheolohichnykh doslidzhen [Baroosmotic analysis as a new method of hydrogeological research]. Dopov. Nac. akad. nauk Ukr., 11, 104–110. [in Ukrainian]

Kushnir, S., Kost’, M., Dudok, I., & Pankiv, R. (2012). Baroosmotychnyi analiz hidroheolohichnykh umov Khidnovytskoho hazovoho rodovyshcha (Ukrainske Peredkarpattia) [Baroosmotic analysis of hydrogeological conditions of Khidnovychi gas field (Ukrainian Precarpathian)]. Heolohiia i heokhimiia horiuchykh kopalyn [Geology and Geochemistry of Combustible Minerals], 1–2 (158–159), 68–82. [in Ukrainian]

Kushnir, S., Kost’, M., Dudok, I., Pankiv, R., & Palchykova, O. (2012). Baroosmotic analysis of processes in ground waters of the Kokhanivka–Svydnytsia area (Ukrainian Carpathian Foredeep). Bulletin of the Polish Geological Institute, 449, 195–202.

Lazaruk, Y. G. (2019). Perspektyvy vidkryttia rodovyshch zi znachnymy zapasamy vuhlevodniv na terytorii Ukrainy [Prospects for the discovery of deposits with significant hydrocarbon reserves in Ukraine]. In VI Mizhnarodna naukovo-praktychna konfereniia : Nadrokorystuvannia v Ukraini. Perspektyvy investuvannia [VI International Scientific-Practical Conference: Intelligent use in Ukraine. Investment prospects] (pp. 302–306). Truskavets. [in Ukrainian]

Medvid, H. (2018). Paleohidroheolohichna kharakterystyka miotsenu pivnichno-zakhidnoi chastyny Zovnishnoi zony Peredkarpatskoho prohynu [Paleohydrogeological characteristics of the Miocene of the north-western part of the Outer Zone of the Precarpathian Foredeep]. Heolohiia i heokhimiia horiuchykh kopalyn [Geology and Geochemistry of Combustible Minerals], 3–4, 73–84. [in Ukrainian]

Medvid, H. B., Sprynskyi, M. I., Kolodii, V. V. et al. (2006). Paleohidrodynamichni rekonstruktsii pivnichno-zakhidnoi chastyny Zovnishnoi zony Peredkarpaskoho prohynu v konteksti problemy naftohazonosnosti [Paleohydrodynamic reconstructions of the northwestern part of the Outer Zone of the Carpathian Foredeep in the context of the oil and gas problem]. Heolohiia i heokhimiia horiuchykh kopalyn [Geology and Geochemistry of Combustible Minerals], 2, 20–32. [in Ukrainian]

Shchepak, V. M. (1965). Gidrogeologicheskie usloviya Vneshnei zony Predkarpatskogo progiba v svyazi s gazoneftenosnost’yu [Hydrogeological conditions of the Outer Zone of the Precarpathian foredeep in connection with oil-and-gas-bearing]. (Candidateʼs thesis). Institute of Geology and Geochemistry of Combustible Minerals of Academy of Sciences of the Ukrainian SSR, Lviv. [in Russian]

Vishnyakov, I. B., Vul, M. Ya., Gonyk, I. O., Zurian, O. V., & Starinsky, V. O. (2014). Suchasnyi stan vuhlevodnevoi syrovynnoi bazy zakhidnoho naftohazonosnoho rehionu Ukrainy ta osnovni napriamy heolohorozviduvalnykh robit shchodo yii osvoiennia [The current state of the hydrocarbon direction material base of the western oil and gas region of Ukraine and the main directions of prospecting for its development]. Mineralni resursy Ukrainy [Mineral Resources of Ukraine], 4, 33–38. [in Ukrainian]

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GEOCHEMICAL PECULIARITIES OF NATURAL WATERS OF SE “SANATORIUM-RESORT MEDICAL CENTER “SHKLO” (LVIV REGION)

Home > Archive > No. 1 (178) 2019 > 74-82

Geology & Geochemistry of Combustible Minerals No. 1 (178) 2019, 74-82.

https://doi.org/10.15407/ggcm2019.01.074

Mariya KOST’, Halyna MEDVID, Vasyl HARASYMCHUK, Olha TELEGUZ, Iryna SAKHNYUK, Orysia MAJKUT

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

Abstract

The geochemical features of natural waters of the SE “Sanatorium-resort medical center “Shklo” are established by researches of their ecological-geochemical composition and anthropogenic influence.
The mineral water “Naftusya-Shklo” from the pump room in the territory of the sanatorium is selected and analyzed, which is recognized as an analogous to water “Naftusya” by the biological action. The composition of water is hydrocarbonate sodium, having mine-ralization of 0.76 g/dm3, the total hardness of 0.55 mg-eq/dm3, sulfate content of 0.64 g/dm3, and Eh – −79 mV.
The sample of water from baths, which is fed from a depth of 129.0 m, is investigated. Therapeutic hydrogen sulfide water is classified as sodium salt-calcium sulfate with mineralization of 2.97 g/dm3 and high sulfate content (1.76 g/dm3). The balneological active component of the therapeutic water is hydrogen sulfide, the content of which is set at 101.75 mg/dm3. The common feature of these waters is the negative values of the oxidation-reduction potential, which is due to the presence of relatively high content of H2S and HS−.
In addition to the mineral, a sample of water from the water pipe (drinking water from the Opillia suite of the Lower Neogene) was studied. According to the salt composition, it refers to sulfate-hydrocarbonate sodium-calcium with mineralization of 0.53 g/dm3. The content of the determined macro- and microcomponents do not exceed the maximum permissible concentrations for drinking water, which indicates the absence of influence of the lower horizons.
The water sample was also selected from the largest lake of the park, the sanatorium “Shklo”, which is not related to reservoirs with a special regime of protection, therefore access to it is free. The salinity of water refers to chloride-sulfate-hydro carbonate sodium-calcium with mineralization of 0.35 g/dm3.
Two samples of water from the Shklo River after its leak from Yavoriv lake showed that these waters are weakly mineralized, weakly alkaline, calcium hydro carbonate sulfate or sulfate calcium. Quantitatively, sulfate ions are 2–3 times more than hydrocarbons. The content of sulfates, Sodium, Calcium, Magnesium is also high, indicating their contamination. Further down the salt content decreases as a result of mixing with the water of droplets. Several sources of supply of sulfate-ion can be named: karst waters formed on gypsum anhydrite; reservoir waters of the Upper Badenian limestones, hydrogen sulfur of the formation waters of the Badenian horizon; hydrogensulfur, formed as a result of reduction of sulfate at the bottom of Yavoriv lake. Ecological and geochemical parameters of water of surface water reservoirs and watercourses generally also correspond to state standards for their use as recreational.

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Keywords

drinking water, ecological-geochemical parameters, anthropogen influence.

REFERENCES

Babinets, A. E., Marus, V. I., Koynov, I. M. (1978). Mineralnyye i termalnyye vody Sovetskikh Karpat. Kiev: Naukova dumka. [in Russian]

Derzhavne pidpryiemstvo “Sanatorno-kurortnyi likuvalnyi tsentr “Shklo”. (2018). Vziato z https://dsa.court.gov.ua/dsa/about_dsa/456/54675656. [in Ukrainian]

Haidin, A. M., Zozulia, I. I. (2007). Yavorivske ozero. Lviv: Afisha. [in Ukrainian]

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Ivanov, M. V. (1964). Rol mikrobiologicheskikh protsessov v genezise mestorozhdeniy samorodnoy sery. Moskva: Nauka. [in Russian]

Kyryliuk, D. H. (Head) (2013). Heoloho-ekonomichna otsinka zapasiv dilianky Shklivskoho rodovyshcha mineralnykh likuvalnykh pidzemnykh vod. Yavorivskyi raion Lvivskoi oblasti: zvit (63931) (Kn. 1).Kyiv: DNVP “HEOINFORM Ukrainy”. [in Ukrainian]

Pankiv, R. et al. (2009). Hidrokhimichna kharakterystyka transkordonnykh richok Yavorivshchyny. Heolohiia i heokhimiia horiuchykh kopalyn, 2 (147), 84–89. [in Ukrainian]

Shtohryn, O. D., & Havrylenko, K. S. (1968). Pidzemni vody zakhidnykh oblastei Ukrainy. Kyiv: Naukova dumka. [in Ukrainian]

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HYDROGEN AS A SOURCE OF ENERGY AND GEODYNAMIC PROCESSES

Home > Archive > No. 3-4 (176-177) 2018 > 85-104

Geology & Geochemistry of Combustible Minerals No. 3-4 (176-177) 2018, 85-104.

Ihor BAGRIY, Stanislav KUZMENKO

Institute of Geological Sciences of National Academy of Sciences of Ukraine, Kyiv, e-mail: bagrid@ukr.net

Dmytro GUNYA

SS “Volodarske” PJSC “Mine named after O. F. Zasiadko”, Kharkiv, e-mail: dmytrogunia53@gmail.com

Abstract

Long-term results of research on mapping oil and gas bearing sites at traditional and non-traditional sites (mine fields, shelf zones, astroblems) have made it possible to create a database of systemic criteria for search technology of structural thermo-atmo-hydrological and geochemical research, where for the first time in the search practice hydrogen was used as the main component of the hydrocarbons. Analysis of the results of the data on the distribution of hydrogen concentrations made it possible to isolate abnormal values both in areas and in productive wells (in the absence of background) and conduct detailed large-scale area studies for the purpose of area mapping for prospecting.

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Keywords

cycle; hydro-geosynergetic biogenic-mantle theory, hydrocarbons, structural thermo-atmo-hydrological and geochemical research.

Referenses

Babinets, A. E. (1961). Podzemnye vody yugo-zapada Russkoi platformy. Kiev: Izdatel’stvo AN USSR. [in Russian]
 
Babinets, A. E., & Belyavskii, G. A. (1973). Estestvennye resursy podzemnykh vod zony intensivnogo vodoobmena Ukrainy. Kiev: Naukova dumka. [in Russian]
 
Bagrii, I. D. (2016). Gidro-geosinergeticheskaya biogenno-mantiinaya gipoteza obrazovaniya uglevodorodov i ee rol’ pri obosnovanii pryamopoiskovoi tekhnologii. Geologicheskii zhurnal, 2 (355), 107-133. [in Russian]
 
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Bahrii, I. D. (2013). Rozrobka heoloho-strukturno-termo-atmoheokhimichnoi tekhnolohii prohnozuvannia poshukiv korysnykh kopalyn ta otsinky heoekolohichnoho stanu dovkillia. Kyiv: Lohos. [in Ukrainian]
 
Bahrii, I. D., Hozhyk, P. F., Pochtarenko, V. I., Aksom, S. D., Dubosarskyi, V. R., Mamyshev, I. Ye., Kizlat, A. M., & Palii, V. M. (2011). Prohnozuvannia heodynamichnykh zon ta perspektyvnykh ploshch dlia vydobutku shakhtnoho metanu vuhilnykh rodovyshch Donbasu. Kyiv: Foliant. [in Ukrainian]
 
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PALEOHYDROGEOLOGICAL CHARACTERISTICS OF THE MIOCENE SERIES OF THE NORTH-WESTERN PART OF THE OUTER ZONE OF THE CARPATHIAN FOREDEEP

Home > Archive > No. 3-4 (176-177) 2018 > 73-84

Geology & Geochemistry of Combustible Minerals No. 3-4 (176-177) 2018, 73-84.

Halyna MEDVID

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

Abstract

The paleohydrogeological conditions of accumulation and lithification of the Miocene strata of the north-western part of the Outer zone of the Precarpathian deep are studied and the intensity of the hydrodynamic processes taking place in this case is estimated.

Seven hydrogeological cycles have been identified in the paleohydrogeological development of the north-western part of the Outer zone. The total duration of infiltration stages in the north-west and central part of the Outer zone of the six hydrogeological cycles from Cambrian to Carpathian is 347.4 million years. The duration of the exfiltration stages of the same period is 184.2 million years. The ratio of the duration of the infiltration stages to the elimination is 1.89. Such signs indicate a significant “wash-off” of the geological structures of the region. The subject of our detailed study was the last, seventh hydrogeological cycle, which began with Carpathian and continues up to the present.

Using the method of paleohydrodynamic reconstructions, the calculation of water exchange intensity indices at the exfiltration and infiltration stages of the Baden-Sarmatian hydrogeological cycle was carried out. The predominance of the intensity of the exfiltration water exchange over the infiltration is established, which is considered favourable conditions for the preservation of hydrocarbon deposits.

The water balance of the Baden-Sarmatian hydrogeological cycle is calculated. Using the calculations carried out earlier for paleohydrodynamic reconstruction, the water exchange indices for the exfiltration phase of the Baden-Sarmatian hydrogeological cycle were calculated, and for the deposits of the Kosiv suite, the Lower and Upper Dashava undersuite.

On the basis of the analysis of the values of water exchange indices, it was concluded that with the immersion of sedimentary layers at a depth, the water pressure system of the Miocene deposits of the north-western part of the Outer zone of the Precarpathian deep passes from the zone of intensive water exchange to the zones of difficult and very difficult one. This indicates the difficulty of the hydrodynamic connection of surface and shallow circulating groundwater with the deep waters of water pressure oil and gas bearing systems and, as a consequence, the insignificant influence of the modern infiltration water pressure system on the processes of destruction of hydrocarbon deposits. The existence of the difficult and very difficult water exchange zones at the large depths of the water pressure system of the north-western part of the Outer zone of the Precarpathian deep with the presence of reservoir layers and structural and tectonic traps together creates the necessary conditions for the formation and conservation of hydrocarbon deposits.

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Keywords

paleohydrogeology, hydrogeological cycle, value of water exchange, water exchange intensity, sedimentary layers, groundwater.

Referenses

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