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DETERMINATION THE AKAN OIL FIELD RESERVOIRS VELOCITIES ANISOTROPY FROM CROSS-DIPOLE ACOUSTICS LOGGING

Victor Kosarev

First published: 2019-06-20https://doi.org/10.5593/sgem2019/1.2/s06.097View metrics

Abstract

Determination of the velocities anisotropy and direction of fast and slow shear waves propagation in the reservoirs containing hydrocarbon deposits is important for the choice of a field development model. The paper describes computing technique the magnitude of the shear waves anisotropy and the assessment of the preferred propagation directions for fast and slow shear waves in the Akan oil field, Republic of Tatarstan, the Russian Federation. In the course of the work, the cross-dipole acoustic logging data were processed for a number of wells. Two different types of logging tools were used while logging. As a result, a monopole and dipole waveforms were recorded. The special techniques were used for the processing of logging data. The primary azimuth of the fast shear wave propagation is east-southeast. The studied reservoirs characterized mainly low values of acoustic anisotropy. However, there are areas with increased values of anisotropy coefficients. The results obtained are in good agreement with the geological structure of the oilfield, as well as with the data obtained from the processing of formation imagers, the processing of seismic data and the tracer studies.

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Publication details

Title
DETERMINATION THE AKAN OIL FIELD RESERVOIRS VELOCITIES ANISOTROPY FROM CROSS-DIPOLE ACOUSTICS LOGGING
Authors
Victor Kosarev
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining
Publisher
STEF92 Technology
Year
2019
Pages
771-778
SWS Citekey
Kosarev20196771778
ISSN
1314-2704
ISBN
978-619-7408-77-5
Language
en
Publication type
Conference Paper
Keywords
Cross-dipole acoustic logginganisotropyshear waves
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