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Title: USING ACOUSTIC IMPEDANCE IN RESERVOIR CHARACTERIZATION
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USING ACOUSTIC IMPEDANCE IN RESERVOIR CHARACTERIZATION
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1314-2704
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English
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17
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14
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Most of the wells have an associated survey suite designed for geophysical investigations, including neutron log, density log, and sonic log. These tools are used later on for singular, dual, or complex boreholes geophysical interpretation, especially for reservoir characterization in terms of lithology and porosity. It is known that the acoustic wave?s velocity through different rock types is a function of the elastic properties and density of both the mineral skeleton of that rock, and the in situ fluids, stress, etc. The combination of the sonic and density logs is currently the method used for determining the porosity and lithology content of the reservoir. Acoustic impedance values can be computed using the travel time measured form the sonic log and the bulk density measured from the density log. The fact that many wells have recorded these two methods of investigation triggers the conclusion that we have sufficient data for this kind of interpretation. In this paper we analyze the dependency between the acoustic impedance and porosity, fluid saturation, and lithology. The end results allow us to say that acoustic impedance is a property very useful in hydrocarbon reservoir characterization.
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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997-1004
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29 June - 5 July, 2017
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website
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cdrom
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2843
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acoustic impedance; porosity; saturation; lithology.
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