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- W2012105612 abstract "Abstract A post stack seismic inversion has been applied to 2D and 3D seismic data in order to obtain a quantitative assessment of rock properties including density, compressional velocities and porosity in a tight gas sandstone. To achieve this objective, the study develops a new relationship between Acoustic Impedance (AI) and porosity. This study focuses on a post stack seismic inversion through a band limit technique that involves three major steps: 1) Derive a low frequency velocity model using sonic logs, 2) Invert the seismic traces using a recursive inversion procedure giving as a result the middle frequency model band of the AI, and 3) Combine the previous models in order to obtain the full band limit inversion product. The methodology is demonstrated using data from a tight gas reservoir formation chracterized with low porosity and permeability located at approximately 2, 000 meters (TVDSS) in the study area. From the model inversion, the acoustic impedance (AI) is compared with variations in porosity resulting in a reasonable correlation for the stratigraphic interval studied. The methodology can probably be extended to other regions around the world, which possess tight gas formations with similar characteristics to the ones described in this work." @default.
- W2012105612 created "2016-06-24" @default.
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- W2012105612 date "2014-05-21" @default.
- W2012105612 modified "2023-09-26" @default.
- W2012105612 title "Porosity and Density Estimation from Seismic Inversion in Tight Gas Sandstones" @default.
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- W2012105612 doi "https://doi.org/10.2118/169421-ms" @default.
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