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    Wyświetlanie 1-13 z 13
    Tytuł:
    Beneficiation and upgrading of Jordanian oil shale
    Autorzy:
    Gougazeh, Mousa Hasen
    Powiązania:
    https://bibliotekanauki.pl/articles/2146895.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Sultani oil shale
    flotation
    collector
    frother
    Opis:
    Evaluation possibility of a low-quality Jordanian oil shale from Sultani, central Jordan as an alternative clean fuel by flotation technique was investigated. Oil shale sample was characterized with mineralogical and chemical analysis. X-ray fluorescence spectrometer, X-ray diffraction and Fourier transform infrared spectroscopy showed that calcite is the dominant mineral followed by quartz mineral. Other minerals such as apatite and gypsum were detected. Thermogravimetric analysis revealed that mass loss is due to organic matter decomposition at 280–600°C and carbonate decomposition at 650–850°C Fourier transform infrared analysis showed the main organic groups. The effects of collector and frother doses, pulp concentration and pulp pH on the flotation performance were investigated. The kerosene and MIBC were used as collecting and frothing agents, respectively. The optimal flotation performance occurred for a collector dosage of 1000g/t, a frother dosage of 600g/t, a pulp concentration of 20g/L, a pulp pH of 4.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2022, 58, 3; art. no. 147092
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of cationic-anionic surfactants on selective oil agglomeration of oil shale
    Autorzy:
    Abdel-Khalek, Mohamed A.
    Amin, Rasha
    Hassan, El-Sayed R. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450561.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    oil shale
    oil agglomeration
    kerogen
    surfactants
    zeta potential
    Opis:
    Egyptian oil shale from Red Sea area is upgraded via oil agglomeration technique to achieve a clean fuel. A representative sample is characterized to identify its undesirable components and its liberation size. The quartz, apatite, calcite, siderite and anhydrite are the main gangue minerals. The sample was pulverized to less than 20 µm for efficient liberation. The impact of anionic (Calcium dodecyl benzene sulfonate, CDBS) or/and cationic (Cetrimonium bromide, CTAB) surfactants on the zeta-potential and agglomeration process was investigated in presence of different kerosene concentrations. A concentrate of 62% kerogen with 95% recovery was obtained from feed of 29% kerogen using 0.1% CTAB/CDBS mixture in 2% kerosene emulsion.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2020, 56, 6; 137-144
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation the Effect of Adding Oil Shale Ash on the Compressive Strength of Concrete
    Autorzy:
    Gougazeh, Mousa
    Powiązania:
    https://bibliotekanauki.pl/articles/2201819.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    oil shale ash
    compressive strength
    compaction pressure
    combustion
    construction
    sustainable
    Opis:
    In the present study, the effect of cementing properties of oil shale ash on the compressive strength of the concrete mixtures produced from oil shale ash, cement, sand, and water was investigated. The used shale ash was produced by direct combustion at 830oC in a laboratory muffle furnace of the El-Lajjun oil shale. Based on the chemical composition of shale ash (OSA), it was concluded that this material consists of a high percentage of CaO which forms the properties of cement materials as well as the contents of SiO2, Al2O3, and Fe2O3 form the properties of pozzolanic materials. Oil shale ash (OSA) materials have diverse applications as alternative materials for the construction industry and construction technology to reduce environmental risks and achieve sustainability. The results showed that the pressed specimen with 40 wt. % OSA content, 50 wt. % sand content and 30% MW obtained the highest compressive strength of about 9.1 MPa after 28 days of hardening. The highest value of 28 days compressive strength for a compacted specimen containing 35 wt. % OSA and 35% MW were achieved with 12 MPa at a compaction pressure of between 25 and 30 MPa. High compressive strength values were found to be achieved in the compressed specimens by controlling mixing water. It is also indicated that the compressive strength increases as OSA content in the compressed specimen increases and increases as compaction pressure increases.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 4; 130--137
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The characteristics of perspective areas of non-conventional oil accumulations in Poland
    Autorzy:
    Jędrzejczyk, A.
    Rychlicki, S.
    Stopa, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/298886.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Polska
    shale oil
    unconventional deposits
    Opis:
    In Poland, the focus so far has been on unconventional gas deposits, but equally interesting are unconventional oil deposits. As a result of intensive research in the past few years, it was found that we have significant deposits of oil shale, which may be rich in both gas and oil. Undoubtedly, after a period of research and analysis on the prospects of the presence of shale gas in these structural units would come the turn of the shale oil. In the article on the basis of industrial materials have been characterized: — shale formations in the basin of the Baltic - Podlasie - Lublin (potential of the Silurian and Ordovician), — Prągowiec ravine (southeast of Kielce) - Graptolitic Shales (Silurian) — menilite shales in the Carpathians external-especially of south of Rzeszów in municipalities Błażowa, Boguchwała, Wojaszówka. — discovered heavy oil deposit Lubaczów
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 2; 271-279
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Behavior of Jordanian Oil Shale during Combustion Process from the El-Lajjun Deposit
    Autorzy:
    Gougazeh, Mousa
    Alsaqoor, Sameh
    Borowski, Gabriel
    Alsafasfeh, Ashraf
    Hdaib, Ismail I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2173323.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    El-Lajjun oil shale
    combustion
    X-ray diffraction
    thermogravimetric
    fourier transform infrared spectroscopy
    X-ray fluorescence
    Opis:
    The results of X-ray diffraction, thermogravimetric and FTIR spectroscopy analyses of mineral composition indicated that the El-Lajjun oil shale is principally composed of calcite, quartz with minor amounts of kaolinite), gypsum, and apatite. The obtained oil shale ash products at 830 °C and 1030 °C are dominated by lime, quartz, anhydrite, portlandite, gehlenite, and amorphous phases. The TGA weight loss curves clearly indicate that it occurred in the temperature range from 310 to 650 °C. The decomposition of oil shale carbonates was detected above 750°C. The functional groups in the organic material of oil shale are dominated by the aliphatic hydrocarbons, the semi-ash of which had diverse structures of polycyclic aromatic hydrocarbons. The most intensive of combustion occurred in the temperature range of 400–750 °C. In this temperature range, about 75 wt.% was accounted for the total mass loss.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 8; 133--140
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Challenges for Sustainable Development: The Case of Shale Gas Exploitation in Poland
    Wyzwania dla rozwoju zrównoważonego: przypadek eksploatacji gazu łupkowego w Polsce
    Autorzy:
    Siemek, J.
    Nagy, S.
    Siemek, P
    Powiązania:
    https://bibliotekanauki.pl/articles/371344.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
    Tematy:
    sustainable development
    sustainable energy
    oil shale
    gaseous energy industry
    rozwój zrównoważony
    zrównoważona energia
    gaz łupkowy
    energetyka gazowa
    Opis:
    In the current century, natural gas has become the most important fossil energy resource and also important en-ergy fuel in general. And these are both due to significant resources, especially of unconventional natural gas, and ease of transport or transmission, use but also the level of carbon dioxide emissions from burning natural gas. Significant increase in gas consumption, in all regions, will be marked in the energy sector. Northern America and Western and Central Europe consume most of the gas on electricity and heat production. The exploration of unconventional gas reservoirs has been discussed recently in several scientific fields. Technical, organizational and economic challenges related to sustainable exploration, documentation of reserves, exploitation and devel-opment of shale gas technology have been addressed in this paper. Activities oriented to acceleration of pro-specting and investment activities as well as difficulties with introducing pro-ecological procedures and technical modifications caused by minimization of influence of the drilling and environmental simulation of production wells have been presented. This study explains some ecological aspects of the extraction technology. The pace of technological development in Poland may be considerably delayed by the new requirements set by geological and mining law, slowing down of exploration works and recognition of most important gaseous hori-zons. The scope of investments spent on infrastructure for treating, transport and distribution of gas may have an impact on the rate of realizing energy investment. The rate of development of industry will be conditioned by properly defined economic objectives and the feasible development of gaseous energy industry, being an element supporting the classic coal energy, now mainly a regulation of energy sales in peak seasons. Probable scenarios (based upon business, legal and geological situation) have been discussed.
    Gaz ziemny jest obecnie jednym z najważniejszych nośników tak energii kopalnej, jak i energii w ogólności. Dzieje się tak z uwagi na powszechną dostępność zasobów, łatwość w jego transportowaniu, a także z uwagi na niski poziom emisji CO2 podczas spalania tego nośnika energii. Prognozuje się dalszy wzrost wykorzystywania gazu w sektorze energetycznym i to we wszystkich regionach świata. W Ameryce Północnej a także Europie Zachodniej i Wschodniej gaz służy do produkcji energii elektrycznej i cieplnej. Ostatnio coraz częściej na nau-kowych forach dyskutuje się zagadnienie eksploatacji zasobów gazu niekonwencjonalnego. W tym artykule przedstawiamy uwarunkowania eksploatacji gazu łupkowego w kontekście rozwoju zrównoważonego, prezentu-jąc aspekty techniczne, organizacyjne i ekonomiczne odnoszące się do stanu rozpoznania zasobów i ich eksploa-tacji. Przedstawiono podejmowane działania mające na celu zwiększenie poziomu pozyskiwania gazu łupkowe-go i problemy związane z wdrażaniem procedur proekologicznych i modyfikacji technicznych, wynikające z obowiązku minimalizowania wpływu na środowisko procesu wiercenia. Artykuł wyjaśnia także podstawowe aspekty ekologiczne związane ze szczelinowaniem. W Polsce rozwój tych technologii może ulec ograniczeniu z uwagi na nowe wymagania wynikające z prawa geologicznego i górniczego, spowalniające prace poszukiwawcze i rozpoznawanie zasobów. Niezbędne jest określenie poziomu środków finansowych niezbędnych do tworzenia infrastruktury związanej z pozyskiwaniem, transportem i dystrybucją gazu. Ujmując inaczej, szybkość rozwoju przemysłu gazowego będzie uwarunkowana przez właściwie rozpoznanie uwarunkowań ekonomicznych. W artykule przedstawiono także prawdopodobne scenariusze na przyszłość, oparte na podstawach biznesowych, prawnych i geologicznych.
    Źródło:
    Problemy Ekorozwoju; 2013, 8, 1; 91-104
    1895-6912
    Pojawia się w:
    Problemy Ekorozwoju
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of Desulfurized Heavy Liquid Fuel Blends in Domestic Boiler
    Autorzy:
    Al Aboushi, Ahmad
    Abdelhafez, Eman
    Hamdan, Mohammad
    Ajib, Salman
    Alsaqoor, Sameh
    Powiązania:
    https://bibliotekanauki.pl/articles/27323821.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    shale oil
    domestic boiler
    activated carbon
    diesel
    sulfur oxide
    Opis:
    One way to cut down the consumption of diesel fuel in domestic heating in Jordan is to blend it with shale oil, which may be extracted from oil shale. This leads to a cut down in the national fuel bill in Jordan. Unfortunately, shale oil contains significant amounts of sulfur as impurities and upon burning sulfur oxides are emitted causing a negative environmental impact, and hence desulfurization of such fuel blends is essential. This may be achieved by adding activated carbon to the fluids. The process of removing sulfur from shale oil is crucial for safeguarding the environment, human well-being, and equipment, as well as meeting regulatory requirements and creating superior-quality goods. In this study, a domestic boiler was utilized to evaluate the degree of desulfurization process of blends of diesel and shale oil fuels upon their burning in a domestic boiler, to achieve this, blends of both fuels were prepared with varying amounts of shale oil (10%, 20%, 30%, and 40%) and various amounts of activated carbon were added to the prepared mixtures of diesel fuel and shale oil. The assessment of performance included examining the environmental impact, specifically by analyzing exhaust gases to measure the concentration of Sulfur Oxide (SO2). It was found that an increase in the concentration of shale oil in the mixture led to an increase in the concentration of SO2. However, adding more activated carbon to the mixture from the fuels resulted in a decrease in the SO2 concentration. The lowest SO2 concentration was observed when 1g of activated carbon was added per liter of the fuel mixture at a 20% concentration of shale oil, and 0.6g of activated carbon per liter of the fuel mixture at a 40% concentration of oil shale.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 7; 225--233
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lower Paleozoic oil and gas shale in the Baltic-Podlasie-Lublin Basin (central and eastern Europe) - a review
    Autorzy:
    Poprawa, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/2060266.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Baltic-Podlasie-Lublin Basin
    lower Paleozoic
    shale oil
    shale gas
    reservoir characteristics
    Opis:
    In the Baltic-Podlasie-Lublin Basin, four potential lower Paleozoic shale reservoirs are identified: the Piaśnica, Sasino and Jantar formations, as well as the Mingajny shale. These units were diachronously deposited during the starved stages of Caledonian foredeep basin development, in the course of rising or high eustatic sea level. Across most of the basin, the shale formations analysed are saturated with light oil and condensate, and they are buried to depths of 2300-3500 m. The shale reservoirs reach the wet gas window at burial depths of 2800-4000 m, while dry gas accumulations occur at depths exceeding 3500-5000 m, except in the Biłgoraj-Narol Zone. The shale analysed might be generally classified as a moderate to low quality, and locally high quality, unconventional reservoir. Within the shale net pay zones, the average TOC content is 2-5 wt.% TOC. The exceptions are the Piaśnica Formation, for which this is 5-12 wt.%, and the Mingajny shale, which is TOC-lean (1.4-1.7 wt.%). The thickness of the shale net pay intervals in the most favourable locations, mainly on the Łeba Elevation, generally reaches 20 m, and locally exceeds 35 m. The shale reservoirs are saturated with hydrocarbons of good quality. Their permeability is low to moderate, often in the range of 150-200 mD, while total porosity average per borehole is commonly exceeds 6 %, reaching up to 10% at maximum, which might be considered as moderate to good. The clay minerals content is moderate to high (30-50%), and geomechanical characteristics of the shale formations are intermediate between brittle and ductile. No overpressure occurs in the basin, except for a dry gas zone in the SW Baltic Basin. In the Biłgoraj-Narol Zone, and to a lesser degree also in the Lublin region, pronounced tectonic deformation significantly limits shale gas/oil potential. Among 66 exploration boreholes drilled in the basin so far, only 5 were lateral boreholes with representative production test results. Hydrocarbon flow from the best boreholes was low to moderate, equal to 11.2 to 15.6 thousand m3/day for gas, and 157 bbl/day (~21.4 ton/day) for oil. There is, however, high potential to improve production flow rates, connected with the fracturing of two net pay intervals at one time, as well as with significant technological progress in the exploitation of shale basins during the last 5 years. Commercially viable production might be achieved for a single borehole with estimated ultimate recovery exceeding 30-50 thousand tons of oil, or 60-90 million m3 of gas.
    Źródło:
    Geological Quarterly; 2020, 64, 3; 515--566
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Burial and thermal history of the Lower Palaeozoic petroleum source rocks at the SW margin of the East European Craton (Poland)
    Autorzy:
    Botor, Dariusz
    Golonka, Jan
    Anczkiewicz, Anneta A.
    Dunkl, István
    Papiernik, Bartosz
    Zając, Justyna
    Guzy, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/191816.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    maturity modelling
    shale gas
    shale oil
    burial history
    thermal history
    Palaeozoic
    East European Craton
    Opis:
    Thermal maturity modelling was carried out in over sixty wells along the SW margin of the East European Craton (EEC). The burial and thermal history modelling of the EEC, using thermochronological data, allowed the construction of burial history maps showing its geological development in the Phanerozoic. These results have proved that the Ordovician and Silurian source rocks occurring at the SW margin of the EEC reached a maximum palaeotemperature in the Palaeozoic, mainly during Devonian-Carboniferous time and at the latest during the Silurian in the most westerly part of this margin, along the Teisseyre-Tornquist Zone. In Mesozoic and Cainozoic time, the Ordovician and Silurian strata generally were subjected to cooling or to very minor heating, certainly below the Variscan level. The maximum burial and maximum temperature of the Ediacaran-Lower Palaeozoic strata were reached during the Early Carboniferous in the Baltic Basin and during the Late Carboniferous in the Lublin area, and even in the Early Permian in the SE corner of the Lublin Basin. Thus, the main period of maturation of organic matter and hydrocarbon generation in the Ordovician and Silurian source rocks was in the Late Palaeozoic (mainly Devonian-Carboniferous) and in the westernmost zone along the Teisseyre-Tornquist line at the end of the Silurian.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 2; 121-152
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Building an econometric model for african oil production
    Budowa modelu ekonometrycznego wydobycia ropy naftowej w Afryce
    Autorzy:
    Labuda, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/282234.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
    Tematy:
    crude oil
    Africa
    USA
    shale oil
    shale revolution
    ropa naftowa
    Afryka
    Stany Zjednoczone
    ropa łupkowa
    rewolucja łupkowa
    Opis:
    The aim of the paper is to identify which factors influence the production of crude oil in Africa and what it means for the investments in oil production on this continent in the future. In order to identify these factors it is necessary to create a function of production. A number of variables have been chosen, which are likely to have an influence on the level of exploitation, such as the price of oil, oil consumption in Africa, oil import by the US, etc. The estimation of the function was based on the statistical analysis of empirical data. For the years 1980–2015 the linear regression model was estimated using the method of ordinary least squares (OLS) and econometric software – GRETL. In order to find the best model the academic research on the global oil market has been taken into account and a variety of statistical and econometric tests have been made. According to the literature on the subject, the production of crude oil in Africa is mostly affected by two players – Europe and the US. The first includes the member states of the OPEC. There are also countries of West Africa which in the past exported most of their production to the US. The model shows that the situation has changed after the “shale revolution”, which reduced the level of imported oil and consequently the level of African production. Moreover, an interesting trend has been noticed, namely that when oil prices go up, the oil production in Africa decreases. The reason for this phenomenon is that high oil prices make American shale plays more profitable than West African petroleum basins. The model aggregating macroeconomic indicators and statistics is a very useful management tool and it reveals the problems of the efficiency of investments in oil production in Africa.
    Celem niniejszego artykułu jest identyfikacja czynników determinujących poziom wydobycia ropy naftowej w Afryce, a następnie określenie, co to oznacza dla potencjalnych przyszłych inwestycji na tym kontynencie. Aby rozpoznać wspomniane czynniki, niezbędne jest stworzenie w pierwszej kolejności funkcji wydobycia. Stąd też wybrano szereg zmiennych, mogących mieć wpływ na poziom eksploatacji, m.in. cenę ropy naftowej, poziom jej konsumpcji w Afryce, import ropy do Stanów Zjednoczonych i in. Następnie dokonano estymacji funkcji, posiłkując się statystyczną analizą danych empirycznych. Dla lat 1980–2015 oszacowano za pomocą oprogramowania ekonometrycznego GRETL model liniowej regresji według metody najmniejszych kwadratów (MNK). Aby wybrać model najlepiej odzwierciedlający rzeczywistość, otrzymane wyniki zweryfikowano zarówno danymi pozyskanymi z literatury poświęconej światowemu rynkowi ropy, jak i przy użyciu odpowiednich testów statystycznych oraz ekonometrycznych. Nawiązując do literatury przedmiotu, na poziom wydobycia ropy naftowej wAfryce mają wpływ przede wszystkim dwaj gracze – Europa i Stany Zjednoczone. Z pierwszym z nich związane są przede wszystkim państwa członkowskie organizacji OPEC. Z drugiej strony kraje Afryki Zachodniej w większym stopniu eksportują ropę do Stanów Zjednoczonych. Oszacowany model pokazuje, że sytuacja ta zmieniła się po tzw. łupkowej rewolucji i spadku ilości importowanej przez Amerykę ropy, a co za tym idzie i wydobycia w Afryce. Co więcej, zaobserwowano interesującą tendencję do zmniejszenia wydobycia w Afryce, kiedy ceny ropy rosną. Przyczyną tego zjawiska może być fakt, że wysokie ceny surowca implikują wzrost opłacalności eksploatacji złóż ropy łupkowej w Stanach Zjednoczonych, będących bezpośrednią konkurencją dla złóż afrykańskich. Model, który agreguje makroekonomiczne wskaźniki i dane statystyczne jest bardzo użytecznym narzędziem, które wykazuje efektywność inwestycji w wydobycie ropy naftowej w Afryce.
    Źródło:
    Polityka Energetyczna; 2017, 20, 2; 73-88
    1429-6675
    Pojawia się w:
    Polityka Energetyczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the effects of water withdrawal for hydraulic fracturing on surface water and groundwater - a review
    Autorzy:
    Saha, Gopal Chandra
    Quinn, Michael
    Powiązania:
    https://bibliotekanauki.pl/articles/1445100.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
    Tematy:
    groundwater
    surface water
    hydraulic fracturing
    water withdrawal
    shale oil
    gas production
    Opis:
    The interaction between groundwater and surface water plays an important role in the function of riparian ecosystems and sustainable water resource management. Hydraulic fracturing, an unconventional oil and gas well stimulation method, has increased dramatically in North America in an effort to exploit previously inaccessible shale oil and gas reserves. Hydraulic fracturing often requires several thousand cubic meters of water to fracture the source formations. Use of such a high volume of water has raised considerable public concern over the sustainability of this activity and the potential impacts on surface water and groundwater. This paper provides a review of the published literature addressing the effects of water withdrawal for hydraulic fracturing on surface water and groundwater. The potential effects of such withdrawal are: decreased volume of water in rivers, streams, lakes and aquifers; alteration of natural flow regimes; regional water shortages during periods of drought; creating conflicts with other water users in water-stressed regions; inadequate downstream water availability; reduced downstream water quality for human uses, due to less water availability for dilution; and degradation of habitat and aquatic ecosystem function, impacting local wildlife. This review demonstrates that relatively little attention has been paid to quantify and understand these interactions, and suggests that there is a significant need for further research in this area to address the currently limited availability of data.
    Źródło:
    Meteorology Hydrology and Water Management. Research and Operational Applications; 2020, 8, 2; 52-59
    2299-3835
    2353-5652
    Pojawia się w:
    Meteorology Hydrology and Water Management. Research and Operational Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Unconventional hydrocarbon prospects in Ordovician and Silurian mudrocks of the East European Craton (Poland) : Insight from three-dimensional modelling of total organic carbon and thermal maturity
    Autorzy:
    Papiernik, Bartosz
    Botor, Dariusz
    Golonka, Jan
    Porębski, Szczepan J.
    Powiązania:
    https://bibliotekanauki.pl/articles/191357.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Lower Palaeozoic
    shale gas
    shale oil
    Baltic Basin
    Lublin-Podlasie Basin
    total organic carbon
    thermal maturity
    structural parametric model
    Opis:
    Three-dimensional, structural and parametric numerical modelling was applied to unravel the unconventional hydrocarbon potential of a W-dipping, Lower Palaeozoic mudrock succession, which subcrops for some 700 km in the Baltic, Podlasie and Lublin basins across the SW margin of East European Craton in Poland. Input data comprised structural and thickness maps of Ordovician and Silurian strata and the results of thermal maturity (mean vitrinite-equivalent reflectance, % Ro) and total organic carbon (TOC, % wt.) modelling. A new, spatial interpretation of vitrinite-reflectance variability indicates that the regional, W-increasing thermal maturity pattern breaks into a series of domains, bounded by abrupt maturity variations. In total, 14 tectono-thermal domains were recognised and their boundaries traced to known and inferred faults, mostly of NW‒SE and NE‒SW orientations. On the basis of a combination of thermal maturity and total organic carbon levels (0.6% > Ro<2.4%, and TOC >1.5% wt.), good-quality, unconventional reservoirs can be expected in the Sasino Formation (Caradoc) and Jantar Formation (early Llandovery) in the central and western Baltic Basin. The Jantar Formation also is likely to be prospective in the western Podlasie Basin. Marginal-quality reservoirs may occur in the Sasino and Jantar formations within the Podlasie and Lublin basins and in the Pasłęk Formation (late Llandovery) across all basins. Poor- to moderate-quality, unconventional reservoirs could be present in the Pelplin Formation (Wenlock) in the Lublin and southern Podlasie basins. In spite of a considerable hydrocarbon loss during multiphase basin inversion, the Ordovician and Silurian mudrocks still contain huge quantities of dispersed gas. Successful exploitation of it would require the adoption of advanced fracking methods.Lower Palaeozoic, shale gas, shale oil, Baltic Basin, Lublin-Podlasie Basin, total organic carbon, thermal maturity, structural-parametric model.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 4; 511- 533
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polish shale gas deposits in relation to selected shale gas prospective areas of Central and Eastern Europe
    Autorzy:
    Karcz, P.
    Janas, M.
    Dyrka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075024.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Europe
    shale gas
    shale oil
    sedimentary basins
    unconventional hydrocarbons
    shale gas potential
    Europa
    gaz łupkowy
    olej łupkowy
    baseny sedymentacyjne
    niekonwencjonalne węglowodory
    potencjał gazu łupkowego
    Opis:
    This paper describes a regional overview of selected Central and Eastern European sedimentary basins which hold the unconventional potential for shale gas and shale oil exploration that have attracted interest in the last few years. Organic-rich fine-grained rocks like black and dark-grey shales, mudstones and claystones with varying ages from Cambrian to Miocene are distributed very irregularly across Europe. A long- -lasting, dynamic geological evolution and continuous reconstruction of the European continent resulted in the formation of many sedimentary basins. In some basins, biogeochemical conditions favoured preservation of accumulated organic-rich deposits and led to the generation of hydrocarbons after burial and reaching appropriate maturity levels. Even though shale gas and shale oil exploration in Europe is still in its infancy, shale formations were analyzed before as the source rocks in conventional petroleum systems. Parameters that were used to describe source rocks e.g.: total organic carbon, maturity, thickness, depth of occurrence and areal extent, can indicate preliminary potential for shale gas exploration and allow estimating first resource values. Currently the most intense shale gas exploration takes place in Poland where over 42 wells have been drilled and over 100 concessions for unconventional hydrocarbon exploration have been granted. Upper Ordovician and lower Silurian shales at the East European Craton (Baltic, Lublin and Podlasie basins) are the major targets for unconventional exploration in Poland. In Central and Eastern Europe, evaluation of the unconventional potential of gas-bearing shale formations is carried out also in Ukraine, Lithuania, Austria, Czech Republic, Hungary, Romania, Bulgaria, Moldova and the European sector of Turkey. Despite the fact that each shale rock differs from another by geochemical, petrographical, petrophysical, mechanical and other parameters, some similarities can be seen such as marine type of depositional environment with the predominance of type II kerogen or specific organic matter content. Recoverable resources of shale gas throughout Europe are believed to be as large as 17.67 trillion m3 (624 Tcf) and Poland, Ukraine, France with United Kingdom are thought to have the greatest resources.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 11-1; 608--620
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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