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Browsing by Subject "Rotliegendes"

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  • thumbnail.journal.alt
    Item type:Thesis, Access status: Restricted ,
    Analiza warunków akumulacji w utworach czerwonego spągowca w rejonie Ujazdu
    (Data obrony: 2010-08-03) Słupska, Patrycja
    Wydział Geologii, Geofizyki i Ochrony Środowiska
    The purpose of this thesis was to assess the accumulation conditions of Rotliegendes in the Ujazd natural gas deposit. A general geological characterization of the analyzed region was presented here. The lithological and lithofacial formation of Rotliegendes’ deposits was discussed. On the basis of laboratory analysis of the most important reservoir parameters, porosity and permeability, dependency graphs of these parameters were compiled. The influence of clay content on porosity and permeability in the Ujazd – 6 borehole was presented. Seismic reflections were identified based on the synthetic seismograms. The maps of average porosity and permeability were compared with the selected seismic attributes and the distribution of porous sandstones was determined in the top of the Rotliegendes strata.
  • thumbnail.journal.alt
    Item type:Thesis, Access status: Restricted ,
    Identyfikacja pułapek naftowych w zapisie sejsmicznym w płytszej części basenu czerwonego spągowca
    (Data obrony: 2013-11-27) Druzgała, Barbara
    Wydział Geologii, Geofizyki i Ochrony Środowiska
    The study presents analysis of the Carboniferous-Permian petroleum system. The main emphasis was on the determination of structural and lithologic condition, which led to the accumulation of natural gas in petroleum traps. Most of the gas fields were formed in typical structural traps. The others are located in stratigraphic and structural- stratigraphic traps. Structural traps are related to seismic horizon Z1’ (corresponding to the base of Zechstein). Mapping of seismic horizon Z1’, in general, does not cause any difficulties in the shallower part of the basin, however precise determination of the extent line of porous, permeable Rotliegendes sandstones still encounters problems. This paper describes methodology of petroleum traps interpretation based on seismic cross-section and well data, along with models of the traps and their interpretation.