Interval inversion approach for an improved interpretation of well logs

M Dobróka, NP Szabó, J Tóth, P Vass - Geophysics, 2016 - pubs.geoscienceworld.org
The quality analysis of well-logging inversion results has always been an important part of
formation evaluation. The precise calculation of hydrocarbon reserves requires the most …

[HTML][HTML] Interval inversion as innovative well log interpretation tool for evaluating organic-rich shale formations

NP Szabó, M Dobróka - Journal of Petroleum Science and Engineering, 2020 - Elsevier
The identification and detailed evaluation of unconventional hydrocarbon reservoirs require
the application of advanced well logging data processing techniques. Since the number of …

Geoelectric characterization of thermal water aquifers using 2.5 D inversion of VES measurements

Á Gyulai, P Szűcs, E Turai, MK Baracza, Z Fejes - Surveys in Geophysics, 2017 - Springer
This paper presents a short theoretical summary of the series expansion-based 2.5 D
combined geoelectric weighted inversion (CGWI) method and highlights the advantageous …

Extending the application of a shale volume estimation formula derived from factor analysis of wireline logging data

NP Szabó, M Dobróka - Mathematical Geosciences, 2013 - Springer
A multivariate statistical procedure is developed for the estimation of shale volume in clastic
sedimentary formations. The method offers an alternative for extracting the shale content …

Interval inversion of well-logging data for objective determination of textural parameters

M Dobróka, NP Szabó - Acta Geophysica, 2011 - Springer
A joint inversion method for the evaluation of well-logging data is presented, which is
applicable to determine textural parameters, ie, cementation exponent, saturation exponent …

Factor analysis of engineering geophysical sounding data for water-saturation estimation in shallow formations

NP Szabó, M Dobróka, D Drahos - Geophysics, 2012 - library.seg.org
The engineering geophysical sounding method has been applied for in situ investigation of
unconsolidated near-surface formations since the 1990s. In this study, we offer an …

[PDF][PDF] Factor analysis of borehole logs for evaluating formation shaliness-A hydrogeophysical application for groundwater studies

NP Szabó, M Dobróka, E Turai, P Szűcs - 2020 - academia.edu
The calculation of groundwater reserves in shaly sand aquifers requires a reliable
estimation of effective porosity and permeability. The amount of shaliness as a related …

A quick 2-D geoelectric inversion method using series expansion

Á Gyulai, T Ormos, M Dobroka - Journal of Applied Geophysics, 2010 - Elsevier
This paper presents the principles of a new inversion method used for determining 2-D
geological structures. The basis of the method is that horizontal changes in layer …

Series expansion-based genetic inversion of wireline logging data

NP Szabó, M Dobróka - Mathematical Geosciences, 2019 - Springer
An evolutionary approach is applied to solve the nonlinear well logging inverse problem. In
the framework of the proposed interval inversion method, nuclear, sonic, and laterolog …

On the application of combined geoelectric weighted inversion in environmental exploration

Á Gyulai, MK Baracza, NP Szabó - Environmental Earth Sciences, 2014 - Springer
Geophysical surveying methods are of great importance in environmental exploration.
Inversion-based data processing methods are applied for the determination of geometrical …