Facies and diagenesis distribution in an Aptian pre-salt carbonate reservoir of the Santos Basin, offshore Brazil: a comprehensive quantitative approach

AMA Carvalho, Y Hamon, OG De Souza Jr… - Marine and Petroleum …, 2022 - Elsevier
Aptian carbonate rocks of Santos Basin in the Brazilian southeastern continental margin
show a highly heterogeneous reservoir quality conditioned by many controlling factors. This …

Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates

R Riding, A Virgone - Earth-Science Reviews, 2020 - Elsevier
Abstract Abiotic, Bioinduced and Biocontrolled carbonates are process-based sediment
categories. They successively reflect increasing levels of biotic control over carbonate …

[HTML][HTML] Facies classification and patterns of lacustrine carbonate deposition of the Barra Velha Formation, Santos Basin, Brazilian Pre-salt

JP Gomes, RB Bunevich, LR Tedeschi… - Marine and petroleum …, 2020 - Elsevier
The lacustrine carbonate rocks of the giant Pre-salt oil-fields in the Santos and Campos
Basins differ in a number of important aspects from classic lake deposits. Prior work has …

Application of unsupervised learning and deep learning for rock type prediction and petrophysical characterization using multi-scale data

S Iraji, R Soltanmohammadi, GF Matheus… - Geoenergy Science and …, 2023 - Elsevier
This study integrates well log data, routine core analyses, microcomputed X-ray tomography
(μ CT) images, and sedimentary petrography to accurately characterize and evaluate the …

Sedimentology and petrophysical analysis of pre-salt lacustrine carbonate reservoir from the Santos Basin, southeast Brazil

M Basso, AMP Belila, GF Chinelatto, JPP Souza… - International Journal of …, 2021 - Springer
Lacustrine carbonate deposits mark the rift-sag sedimentation stage of the so-called pre-salt
section of the Campos and Santos Basins, in the Southeast Brazilian continental shelf …

The influence of microbial mats on travertine precipitation in active hydrothermal systems (Central Italy)

G Della Porta, M Hoppert, C Hallmann… - The Depositional …, 2022 - Wiley Online Library
The study of hydrothermal travertines contributes to the understanding of the interaction
between physico‐chemical processes and microbial mats in carbonate precipitation. Three …

Unusual stable carbon and oxygen isotope signature of Brazilian pre-salt travertine: Depositional and geochemical significances

GT Fontaneta, MF Figueiredo, LC Vieira, LC Falcão… - Chemical …, 2024 - Elsevier
Travertines are continental carbonate rocks formed from hot spring waters rich in calcium
and bicarbonate. The stable carbon and oxygen isotope signature for these rocks is well …

Precipitation of carbonate minerals in travertine-depositing hot springs: Driving forces, microenvironments, and mechanisms

L Luo, E Capezzuoli, M Rogerson, O Vaselli, H Wen… - Sedimentary …, 2022 - Elsevier
Travertine-depositing hot springs can generate various carbonate minerals with or without
the participation of microorganisms. They thus serve as good natural laboratories to study …

The challenging carbonates from the Pre-Salt reservoirs offshore Brazil: facies, palaeoenvironment and diagenesis

AC Azerêdo, LV Duarte, AP Silva - Journal of South American Earth …, 2021 - Elsevier
Abstract The Santos Basin in offshore Brazil belongs to the major carbonate reservoir
province known informally as the Pre-Salt. A detailed analysis of cores, plugs, sidewall …