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    Tytuł:
    Charakterystyka petrofizyczno-mineralogiczna wyznaczonych perspektywicznych kompleksów węglowodorowych na podstawie wybranych wyników badań laboratoryjnych
    Petrophysical and mineralogical characterization of prospective hydrocarbon complexes estimated based on selected laboratory research results
    Autorzy:
    Dyrka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075501.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    petrofizyka
    mineralogia
    gaz łupkowy
    tight gas
    porowatość
    petrophysics
    mineralogy
    shale gas
    shale porosity
    Opis:
    This article hasbeen prepared based on the chapter devoted to research of petrophysical properties of shale and tight sandstones within the project: “Identification of prospective zones for unconventional hydrocarbon accumulations in Poland, stage I.” Petrophysical and mineralogical characterization of particular prospective complexes in the Baltic, Podlasie-Lublin basin and the Carboniferous basin of south-western Poland (Fore-Sudetic Homocline basement), is based on selected laboratory tests of rocks, performed by the Oil and Gas Institute – NRI in Kraków. These analyses included investigations of total porosity and effective porosity, helium porosity, total permeability, silica content, clay content and cumulative content of quartz, and feldspars and carbonates. For particular complexes mean values of individual parameters were calculated. Then, an assessment was made to find out whether they meet the established criteria and whether the results correlate with each other in the boreholes across each area.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 12; 982--986
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polskie złoża gazu ziemnego z łupków na tle wybranych niekonwencjonalnych złóż Europy Środkowo-Wschodniej
    Polish shale gas deposits in relation to selected shale gas perspective areas of Central and Eastern Europe
    Autorzy:
    Karcz, P.
    Janas, M.
    Dyrka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075080.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 and Lublin-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, Moldavia 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 17.6 bln m3 and Poland, Ukraine, France with United Kingdom are thought to have the greatest resources.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 7; 411--423
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    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
    Tytuł:
    Ordovician-Silurian shale gas resources potential in Poland : evaluation of Gas Resources Assessment Reports published to date and expected improvements for 2014 forthcoming Assessment
    Autorzy:
    Kiersnowski, H.
    Dyrka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2066499.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    shale gas
    resources assessment
    technically recoverable resources
    economically recoverable resources
    gaz łupkowy
    ocena zasobów
    technicznie wydobywalne zasoby
    ekonomicznie wydobywalne zasoby
    Opis:
    The paper comprises a brief history and results of Assessment Reports of shale gas resources for the Polish Ordovician-Silurian Basin. The Reports have been confronted in the context of used criteria of assessing. The comparison shows that the early, most optimistic assessments (Wood Mackenzie, ARI & EIA) were based on very generalized data and different assessment methods than those used in the PGI and USGS Reports. In turn, the PGI and USGS Reports, based on USGS assessment methodology, were not so diverse taking into account the presented extreme low values of recoverable gas resources and the used methods of shale gas occurrence probability. The terms EUR (Estimated Ultimate Recovery) and AU (Assessment Unit), used in the USGS methodology of shale gas and shale oil resources assessment are characterized. The paper also presents assessment methods of technically and economically recoverable shale gas, and the significance of "sweet spots" as areas with the greatest probability for shale gas productivity. Finally, proposals for the reconstruction of future work on the new assessment (at the turn of 2014) of recoverable shale gas resources for the Polish Ordovician-Silurian Basin are recommended. The future assessment of shale gas resources should be more detailed, not only due to new geological input data (including results of exploration wells), but also thanks to segmentation of the whole Ordovician-Silurian assessment area into five smaller regional assessment units. The paper presents the criteria of area segmentation and the characteristics of proposed assessment units. The key geological, geophysical and geochemical criteria, which should be taken into consideration in the methodology of new shale gas resources assessment, are compiled. Moreover, to better understand the peculiarity of the Polish Ordovician-Silurian shales and reservoir attributes, and to fit these to shale gas recovery technology, the lessons coming from the US shale basins are discussed. In summarizing, the authors, presenting the conclusions and recommendations, refer to future shale gas resources assessment that, in their opinion, would help particularize the results and thus make them more authenticated.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 11-1; 639--656
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjał złożowy ordowicko-sylurskich łupków gazonośnych w Polsce : omówienie dotychczasowych raportów i propozycje udoskonalenia metodyki oceny zasobów gazu w raporcie w 2014 r.
    Ordovician-Silurian shale gas resources potential in Poland : evaluation of Gas Resources Assessment Reports published to date and expected improvements for 2014 forthcoming Assessment
    Autorzy:
    Kiersnowski, H.
    Dyrka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075067.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    shale gas
    resources assessment
    technically recoverable resources
    economically recoverable resources
    gaz łupkowy
    oszacowanie zasobów
    technicznie wydobywalne zasoby
    ekonomicznie wydobywalne zasoby
    Opis:
    The paper comprises a brief history and results of Assessment Reports of shale gas resources for the Polish Ordovician-Silurian Basin. The Reports have been confronted in the context of used criteria of assessing. The comparison shows that the early, most optimistic assessments (Wood Mackenzie, ARI & EIA) were based on very generalized data and different assessment methods than those used in the PGI and USGS Reports. In turn, the PGI and USGS Reports, based on USGS assessment methodology, were not so diverse taking into account the presented extreme low values of recoverable gas resources and the used methods of shale gas occurrence probability. The terms EUR (Estimated Ultimate Recovery) and AU (Assessment Unit), used in the USGS methodology of shale gas and shale oil resources assessment are characterized. The paper also presents assessment methods of technically and economically recoverable shale gas, and the significance of "sweet spots " as areas with the greatest probability for shale gas productivity. Finally, proposals for the reconstruction of future work on the new assessment (at the turn of 2014) of recoverable shale gas resources for the Polish Ordovician-Silurian Basin are recommended. The future assessment of shale gas resources should be more detailed, not only due to new geological input data (including results of exploration wells), but also thanks to segmentation of the whole Ordovician-Silurian assessment area into five smaller regional assessment units. The paper presents the criteria of area segmentation and the characteristics of proposed assessment units. The key geological, geophysical and geochemical criteria, which should be taken into consideration in the methodology of new shale gas resources assessment, are compiled. Moreover, to better understand the peculiarity of the Polish Ordovician-Silurian shales and reservoir attributes, and to fit these to shale gas recovery technology, the lessons coming from the US shale basins are discussed. In summarizing, the authors, presenting the conclusions and recommendations, refer to future shale gas resources assessment that, in their opinion, would help particularize the results and thus make them more authenticated.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 6; 354--373
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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