Artificial neural networks applied to estimate permeability, porosity and intrinsic attenuation using seismic attributes and well-log data

U Iturrarán-Viveros, JO Parra - Journal of Applied Geophysics, 2014 - Elsevier
Permeability and porosity are two fundamental reservoir properties which relate to the
amount of fluid contained in a reservoir and its ability to flow. The intrinsic attenuation is …

Effect of kaolinite as a key factor controlling the petrophysical properties of the Nubia sandstone in central Eastern Desert, Egypt

MA Kassab, MFA Hashish, BS Nabawy… - Journal of African Earth …, 2017 - Elsevier
This paper presents the results of a comprehensive petrographical and petrophysical
investigation for the Late Cretaceous Nubia sandstone from Wadi Kareem in central Eastern …

Bernstein copula-based spatial cosimulation for petrophysical property prediction conditioned to elastic attributes

MA Díaz-Viera, D Vázquez-Ramírez… - Journal of Petroleum …, 2020 - Elsevier
A new methodology for the simulation of spatially distributed petrophysical properties
conditioned by elastic attributes as secondary variables is presented. The method, namely …

[HTML][HTML] Joint stochastic simulation of petrophysical properties with elastic attributes based on parametric copula models

D Vázquez-Ramírez, VH Le, MA Díaz-Viera… - Geofísica …, 2023 - scielo.org.mx
The spatial stochastic co-simulation method based on copulas is a general method that
allows simulating variables with any type of dependency and probability distribution …

A joint stochastic simulation method using the Bernstein copula as a flexible tool for modeling nonlinear dependence structures between petrophysical properties

V Hernández-Maldonado, M Díaz-Viera… - Journal of Petroleum …, 2012 - Elsevier
The statistical dependence between petrophysical properties (porosity, permeability, water
saturation, etc.) in heterogeneous formations is usually nonlinear and complex; therefore …

[HTML][HTML] A multivariate Bernstein copula model for permeability stochastic simulation

V Hernández-Maldonado, M Díaz-Viera, A Erdely - Geofísica internacional, 2014 - Elsevier
This paper introduces a general nonparametric method for joint stochastic simulation of
petrophysical properties using the Bernstein copula. This method consists basically in …

A novel risk analysis approach of casing under complex conditions using copulas

L Zhao, Y Yan, X Yan - Journal of Petroleum Science and Engineering, 2020 - Elsevier
Failure accidents of casings, designed obeying traditional design standards that have been
amended for many times, are still happening nowadays, and existing reliability analysis …

On the monotone sum of basic t-norms in the construction of parametric families of digital conjunctors for fuzzy systems with reconfigurable logic

IZ Batyrshin, IJ Rudas, LA Villa, PC Antonio - Knowledge-Based Systems, 2013 - Elsevier
A problem of hardware implementation of fuzzy rule-based systems with reconfigurable
parametric families of operations is discussed. The methods of generation of parametric …

Detection of flow units of Quseir Formation (Lower Campanian) as a potential reservoir using experimental correlations of capillary pressure derived parameters …

OM Elnaggar, MG Temraz, MK Khallaf - Journal of Petroleum Exploration …, 2020 - Springer
Sandstone surface samples were collected from Quseir Fm., a member of Nubian
Sandstone at Gebel el-Silsila and subjected to petrographical investigation using polarizing …

On the importance of the sea-surface temperature on hurricane development. Numerical experiments

S Serra - Geofísica Internacional, 1975 - revistagi.geofisica.unam.mx
Una de las más claras interacciones océano-atmósfera se observa en la relación entre la
temperatura del mar y la intensidad de los vientos máximos de los huracanes. En este …