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Seismic Data Interpretation
  
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Title |
The fast identification of the porous carbonate build-ups in Polish permian basin using spectral decomposition method
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| Authors |
Donata Gierszewska, Paweł Pomianowski
Pawel.Pomianowski@GTservices.pl
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| Presentation |
Seismic Data Interpretation
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| Take document |
ecs0604.pdf [(Acrobat Reader): 11,6 MB] or
ecs0604.doc [(MSWord2000): 18,2 MB]
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| Summary |
The spectral decomposition is one of the qualitative methods for fast and accurate identification of the place and architecture of the different origin deposits.
A few years ago the spectral decomposition method has been used in direct geological interpretation of seismic data for the first time (Peyton at al., 1998; Partyka at. al., 1999). Since then several seismic studies have been carried out mainly within clastic sediments.
The objective of this study is to demonstrate abilities of spectral decomposition method especially for the different origin carbonate build-ups coming from Zechstein Formation in Poland. Working with the distinct frequency components of seismic bandwidth, makes the analysis easier and faster in comparison with traditional seismic interpretation using amplitudes based on dominant frequency. Fortunately, the spectral analysis shows good relationship between seismic amplitude variations in discrete frequency domain and geomorphology of sedimentary systems as well as porosity changes in the Zechstein carbonate deposits.The Permian Basin deposits are the most prospective for petroleum exploration in Poland. The basin is located in the central and western part of Poland and it forms part of the large Southern Europeen Permian Basin. There are two carbonate formations : the Main Dolomite (Ca2) and the Zechstein Limestone (Ca1).
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