Results 1 to 10 of about 256,317 (370)

Seismic facies recognition based on prestack data using deep convolutional autoencoder [PDF]

open access: yesGEOPHYSICS, 2018, 83(3): A39-A43, 2017
Prestack seismic data carries much useful information that can help us find more complex atypical reservoirs. Therefore, we are increasingly inclined to use prestack seismic data for seis- mic facies recognition. However, due to the inclusion of ex- cessive redundancy, effective feature extraction from prestack seismic data becomes critical.
Feng Qian   +5 more
arxiv   +3 more sources

A Machine Learning Benchmark for Facies Classification [PDF]

open access: yesarXiv, 2019
The recent interest in using deep learning for seismic interpretation tasks, such as facies classification, has been facing a significant obstacle, namely the absence of large publicly available annotated datasets for training and testing models. As a result, researchers have often resorted to annotating their own training and testing data.
Yazeed Alaudah   +3 more
arxiv   +3 more sources

Distinguishing between Deep-Water Sediment Facies: Turbidites, Contourites and Hemipelagites

open access: yesGeosciences, 2020
The distinction between turbidites, contourites and hemipelagites in modern and ancient deep-water systems has long been a matter of controversy. This is partly because the processes themselves show a degree of overlap as part of a continuum, so that the
D. Stow, Z. Smillie
semanticscholar   +3 more sources

Recent Developments Combining Ensemble Smoother and Deep Generative Networks for Facies History Matching [PDF]

open access: yes, 2020
Ensemble smoothers are among the most successful and efficient techniques currently available for history matching. However, because these methods rely on Gaussian assumptions, their performance is severely degraded when the prior geology is described in terms of complex facies distributions.
Canchumun, Smith W. A.   +4 more
arxiv   +3 more sources

Mapping bathymetry and depositional facies on Great Bahama Bank

open access: yesSedimentology, 2015
Satellite imagery and an extensive set of water‐depth measurements have been used to map and critically evaluate the magnitude and patterns of bathymetry across Great Bahama Bank.
John J G Reijmer, Paul, Peter K Swart
exaly   +2 more sources

A quantitative approach to fluvial facies models: Methods and example results

open access: yesSedimentology, 2013
Traditional facies models lack quantitative information concerning sedimentological features: this significantly limits their value as references for comparison and guides to interpretation and subsurface prediction.
Luca Colombera, Nigel P Mountney
exaly   +2 more sources

From shallow-water carbonate ramp to hemipelagic deep-marine carbonate deposition: Part 3. Lithostratigraphy and Formations of the Middle to Late Anisian Bulog sedimentary successions (Bulog Group) in the Dinarides (Bosnia and Herzegovina, Serbia, Montenegro) [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2023
In the Middle Anisian the opening of the Neo‐Tethys started and this is characterized by a significant change in deposition in the whole Western Tethys Realm.
Sudar Milan   +5 more
doaj   +1 more source

Bayesian Convolutional Neural Networks for Seismic Facies Classification

open access: yesIEEE Transactions on Geoscience and Remote Sensing, 2021
The seismic response of geological reservoirs is a function of the elastic properties of porous rocks, which depends on rock types, petrophysical features, and geological environments.
R. Feng   +4 more
semanticscholar   +1 more source

Sedimentology, facies and depositional model of the alluvial fan of Abyek, Qazvin [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2022
This study was done to describe and interpret the facies, the provenance of sediments, pedogenesis processes, and the model of the Abyek alluvial fan in the northern margin of Qazvin Plain, using 45 sediment samples in the form of nine profiles and nine ...
Vida Davoudi   +2 more
doaj   +1 more source

An updated stratigraphic and environmental framework for the distribution of Silurian vertebrates on Gotland [PDF]

open access: yesEstonian Journal of Earth Sciences, 2015
In this work, previously published occurrences of vertebrates from the latest Llandovery to end-Ludlow successions of Gotland, Sweden, are gathered and summarized in an updated stratigraphic framework, which also incorporates facies differences of ...
Oskar Bremer, Henning Blom
doaj   +1 more source

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