Results 41 to 50 of about 622 (171)

Quantifying concretion distribution in shales of the Vaca Muerta-Quintuco system, Neuque = n Basin, Argentina

, 2022
Concretions are common features in organic-rich mudstone successions, where they appear aligned along certain stratigraphic surfaces. Their extreme hardness and often large dimensions make them an unwelcome drilling and fracturing hazard in ...
Eberli, Gregor P., Swart, Peter K., Blanco, Leticia Rodriguez, Weger, Ralf J., McNeill, Donald F.   +4 more
core   +1 more source

Machine learning applied to geochemical missing data of the Vaca Muerta unconventional reservoir: dealing with small sample sizes and heterogeneity

Unconventional Resources
Geochemical data provide comprehensive insights into reservoir chemistry, commonly obtained from well logs or through the laboratory analysis of core or cuttings samples. Data may be missing from certain intervals due to mechanical failures or geological
Verónica Y. Zapata, Neil Craigie, Guillermina Sagasti   +2 more
doaj   +1 more source

The Silent VOICE—Searching for Geochemical Markers to Track the Impact of Late Jurassic Rift Tectonics

Geochemistry, Geophysics, Geosystems, Volume 25, Issue 10, October 2024.
Abstract A causal mechanism for the Volgian Isotopic Carbon Excursion (VOICE) remains enigmatic. Elemental geochemical profiles of the Deer Bay Formation, Sverdrup Basin, Arctic Canada that record the VOICE and contemporaneous strata are herein examined to provide insight into depositional environments during Late Jurassic‐Early Cretaceous time. Silver
Jennifer M. Galloway, Thomas Hadlari, Keith Dewing, Terence Poulton, Stephen E. Grasby, Lutz Reinhardt, Mikhail Rogov, Jack Longman, Madeleine Vickers   +8 more
wiley   +1 more source

Provenance and the U–Pb age constraints on the tuff beds of the Late Jurassic–Early Cretaceous Bazhenovo Formation, West Siberian Basin

The Depositional Record, Volume 10, Issue 2, Page 312-334, April 2024.
Report on the geochemistry and geochronology of the tuff beds from the Bazhenovo black shales, West Siberian Basin. Geochemical discrimination indicates an affinity with volcanic arc basalts. New constraints on the J–K boundary in the Boreal Realm using high‐precision U–Pb data.
Timur Bulatov, Yakov Yermakov, Anna Kulikova, Bulat Gareev, Mikhail Spasennykh   +4 more
wiley   +1 more source

Why Do Some Multinational Firms Respond Better Than Others to the Hostility of Host Governments? Proximal Embedding and the Side Effects of Local Partnerships

Journal of Management Studies, Volume 61, Issue 2, Page 627-685, March 2024.
Abstract Using a multiple‐case study of alleged expropriations reported before the World Bank, we examine how multinational companies (MNC) react to the escalating hostility of host governments. Our study reveals how different choices regarding the interaction with local nonmarket stakeholders – which we refer to as proximal vs.
Caterina Moschieri, Davide Ravasi, Quy Huy   +2 more
wiley   +1 more source

Multicomponent 3D-3C data acquisition and processing for characterization of Vaca Muerta Formation in Neuquén Basin, Argentina

, 2018
The Neuquén Basin in Argentina has been producing for more than 100 years. Currently, the unconventional resources of the Vaca Muerta Formation are the ones that are most actively explored and studied.
Tom Davis, Tagir Galikeev, David Curia, Rodolfo Elia, Christian Hanitzsch   +4 more
core   +1 more source

Tithonian ammonoids (Cephalopoda, Ammonoidea) from the Vaca Muerta Formation, Neuquén Basin, West-Central Argentina [PDF]

, 2016
Ammonoids are the most abundant and diverse group of marine invertebrates present in the Vaca Muerta Formation (early Tithonian - early Valanginian) of the Neuquén Basin (west-central Argentina).
Vennari, Verónica Vanesa
core   +1 more source

EARLY CRETACEOUS DINOFLAGELLATE CYSTS FROM THE NEUQUÉN AND AUSTRAL BASINS: A REVIEW

Publicación Electrónica de la Asociación Paleontológica Argentina, 2016
. The present work documents and gathers the most relevant records of the organic-walled dinoflagellate cysts from different sites of the Neuquén and Austral Basins.
Maria V. Guler, Melisa A. Paolillo, Paula A. Martz   +2 more
doaj  

Etude de l'évolution diagenétique de la formation de la Vaca Muerta (Argentine) à différents niveaux de maturité

, 2022
The Vaca Muerta Formation (Neuquén Basin, Argentina) is a late Jurassic-early Cretaceous source rock that has received renewed interest since 2010 when it was shown that hydrocarbons could be extracted from it non-conventionally.
Rutman, Philippine
core   +1 more source

Acoustic Velocity Characterization of the Vaca Muerta Formation, Neuquén Basin, Argentina

, 2020
The understanding of the relationship between seismic method and geological architecture has been improved since rock physics studies revealed the empirical relations between acoustic velocity and rock properties such as density, porosity, pore fluid ...
Yuksek, Mustafa Kamil
core