Joint analysis of AVO and borehole gravimetry data to improve the resolution in determining the elastic parameters of the medium

Author:

Vasilevskiy A. N.1ORCID,Dashevsky Yu. A.2,Yaskevich S. V.3

Affiliation:

1. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Koptyug Ave., 3, Novosibirsk, 630090

Novosibirsk State University
Pirogova Str., 1, Novosibirsk, 630090

2. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Koptyug Ave., 3, Novosibirsk, 630090

Novosibirsk State University
Pirogova Str., 1, Novosibirsk, 630090

Institute of Computational Mathematics and Mathematical Geophysics SB RAS
Lavrentyev Ave, 6, Novosibirsk, 630090

3. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Koptyug Ave., 3, Novosibirsk, 630090

Institute of the Earth’s Crust SB RAS
Lermontova Str., 128, Irkutsk, 664033

Abstract

The paper analyzes how the use of additional information obtained thought the borehole gravimetric measurements affects the accuracy of determining the parameters of the medium when evaluating elastic impedances in the framework of AVO-analysis. The possibility of increasing the accuracy of seismic survey results in the procedure for determining elastic parameters through the use of borehole gravimetry data has been demonstrated.

Publisher

Trofimuk Institute of Petroleum Geology and Geophysics (SB RAS)

Subject

General Medicine

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