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Wyszukujesz frazę "Poszytek, A." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Reservoir properties of the Upper Rotliegend and the Weissliegend sandstones in the Zielona Góra Basin (western Poland)
Autorzy:
Poszytek, A.
Powiązania:
https://bibliotekanauki.pl/articles/2059968.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Rotliegend
Weissliegend
Fore Sudetic Monocline
reservoir properties
reservoir potential parameter (RQ)
Opis:
Analysis of the porosity-depth, permeability-depth, and permeability-porosity relationships, as well as the parameter of reservoir potential RQ (result of relationship porosity v. permeability) of in the Upper Rotliegend sandstones of fluvial and aeolian origin and also of shallow marine (Weissliegend) sandstones from the Zielona Góra Basin in western Poland discussed in relation to the sedimentary settings, coupled with microscopic observations, have indicated that the most important factor determining the reservoir properties is cementation and/or matrix content in the pore space. The map of the mean distribution of the reservoir potential RQ for the topmost 50 metres of the Rotliegend have indicated a patchy distribution of zones with the highest and lowest reservoir potential in the central part of the basin, which is controlled mainly by the amount of carbonate, sulphate and illite cements in the pore space. Compaction had a minor influence on the presently noted reservoir properties, particularly in poorly-cemented sandstones.
Źródło:
Geological Quarterly; 2014, 58, 1; 193--206
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
X-ray micro computed tomography characterization of porosity in Rotliegend sandstones on the northern slope of the Wolsztyn Ridge, western Poland
Autorzy:
Poszytek, A.
Mikołajewski, Z.
Dohnalik, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060542.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Rotliegend
lithologic traps
sandstones
porosity
Wolsztyn Ridge
computed microtomography
Opis:
Natural gas in the Polish Rotliegend Basin occurs in porous and permeable aeolian sandstones, and traps are mostly structural. Lithological traps are rare and occur on the northern slope of the Wolsztyn Ridge where fluvial and aeolian sandstones overlap with alluvial facies. Both fluvial and aeolian sandstones are reservoir rocks in this area. The X-ray micro computed tomography (MCT) results and microscopic observations indicate that the sandstones in lithologic traps on the northern slope of the Wolsztyn Ridge form highly compartmentalized vertical reservoir rocks composed of four types of sandstones. The profiles are dominated by very low-porosity fluvial sandstones (F2), and low-porosity aeolian and fluvial sandstones (A2, F1). The A1 type of sandstones with high porosity (10%) occurs only in some sections of the profiles. The most important diagenetic processes that reduced porosity were compaction and cementation by carbonate cements. All studied sandstones were subjected to the same diagenetic processes. However, each of the processes ran with varying intensity in different types of sandstones. Detailed analyses of pore distribution by MCT methods with respect to primary depositional or lithofacies effects, and secondary diagenetic effects, help to understand the 3D geometry of pores and pore shape-size distributions. The results can be used in the studies of other sandstones with a different origin and age.
Źródło:
Geological Quarterly; 2016, 60, 4; 801-810
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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