Three-dimensional characterization of karstic dissolution zones, fracture networks, and lithostratigraphic interfaces using GPR cubes, core logs, and petrophysics …
JAG Lopes, WE Medeiros, JG Oliveira… - Marine and Petroleum …, 2023 - Elsevier
Fractures and karstic dissolution features have been recognized to significantly affect
subsurface fluid flow on a range of scales in carbonate rocks. However, due to the …
subsurface fluid flow on a range of scales in carbonate rocks. However, due to the …
The properties of faults in the Brazil pre-salt: A reservoir characterization perspective
Subsurface characterization of faults and fault systems is a central piece to describe the
subsurface permeability architecture of a carbonate reservoir during field development. Data …
subsurface permeability architecture of a carbonate reservoir during field development. Data …
Pore network characteristics as a function of diagenesis: Implications for epigenic karstification in shallow-water carbonates
Karst processes may be critical for develo** secondary porosity and permeability within
carbonate reservoirs and aquifers. Karstification can significantly influence reservoir storage …
carbonate reservoirs and aquifers. Karstification can significantly influence reservoir storage …
Mechanical stratigraphy controls fracture pattern and karst epigenic dissolution in folded Cretaceous carbonates in semiarid Brazil
Carbonate reservoirs are often affected by fractures and karst that increase rock's
permeability. An accurate characterization of reservoir architecture, fracture attributes and …
permeability. An accurate characterization of reservoir architecture, fracture attributes and …
Ground penetrating radar-based investigation of fracture stratigraphy and structural characterization in karstified carbonate rocks, Brazil
Fracture stratigraphy study for a subsurface sedimentary rock sequence can be a
challenging and demanding task. Typically, the data obtained from seismic and well-logs …
challenging and demanding task. Typically, the data obtained from seismic and well-logs …
Influence of hydrothermal silicification on the physical properties of a basin-boundary fault affecting arkosic porous sandstones, Rio do Peixe Basin, Brazil
Hydrothermal silicification and deformation bands influence the physical properties of
porous siliciclastic rocks. However, the impacts generated by the coexistence of these two …
porous siliciclastic rocks. However, the impacts generated by the coexistence of these two …
Burial stylolites enhance karst dissolution and control cave geometry in heterolithic carbonates, Salitre Formation, Brazil
Understanding the karstification process in fractured carbonates is a key factor in develo**
and exploiting fractured and karstified reservoirs. This study documents the relationship …
and exploiting fractured and karstified reservoirs. This study documents the relationship …
[HTML][HTML] An inception framework hypothesis for karst development in the Burren, Ireland
RA Watson, C Bunce, D Drew, S Fiaschi, C Hickey… - Geomorphology, 2024 - Elsevier
Abstract The Inception Horizon Hypothesis (IHH) postulates that certain stratigraphic
horizons in a limestone sequence, combined with structural surfaces such as joints, provide …
horizons in a limestone sequence, combined with structural surfaces such as joints, provide …
Fracture stratigraphy controls karst localization within a carbonate sequence with terrigenous input: Implications for conduit-seal layer development in a karst system
The present study uses a multidisciplinary approach to investigate the impact of fractures on
karst system localization that affects carbonate units containing terrigenous input. The study …
karst system localization that affects carbonate units containing terrigenous input. The study …
Siliciclastic content controls the sealing behavior of layers and karst development in a carbonate-siliciclastic sequence, Salitre Formation, Brazil
RS Lima, J Nobre-Lopes, FHR Bezerra, RP Maia… - Marine and Petroleum …, 2023 - Elsevier
Although caves formed in carbonate units play a crucial role in fluid flow, most subsurface
voids are below seismic resolution. This study investigates how sedimentary facies control …
voids are below seismic resolution. This study investigates how sedimentary facies control …