Results 61 to 70 of about 700 (192)

Seismic Expressions of Paleokarst

open access: yes, 2020
Paleokarst are characterized by epigene and/or hypogene processes in their formation and hold significant numbers of hydrocarbons and other natural resources.
Aboaba, Olanrewaju Ayodapo
core  

Petrophysical characterization in paleokarst and effect on reservoir properties [PDF]

open access: yes, 2012
Karst is a geological process that can enhance porosity and permeability within a carbonate succession, thus affecting the heterogeneity producing a substantial effect on the fluid flow.
Slotnæs, Katrine Nordlund
core  

Deep learning for paleokarst delineation in 3D seismic images

open access: yes, 2020
To train our deep convolutional neural network for paleokarst delineation in 3D seismic images, we automatically generate 120 pairs of synthetic training datasets including 3D seismic images and the corresponding label images with the ground truth of the
Wu, Xinming (8507826)
core   +1 more source

Geoquímica de las rocas asociadas al paleokarst cretácico en la plataforma de Actopan: evolución paleohidrológica

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
El paleokarst expuesto en las rocas cretácicas de la Plataforma de Actopan (Estado de Hidalgo) permite investigar, mediante la petrología y la geoquímica, la posición de las zonas vadosa y freática que propiciaron la formación del antiguo karst durante ...
Baldomero E. Carrasco-Velázquez   +3 more
doaj  

Paleogeomorphy evolution of the Ordovician weathering crust and its implication for reservoir development, eastern Ordos Basin

open access: yesPetroleum Research, 2018
Gas reservoir development of the Ordovician weathering crust in the Ordos Basin is closely controlled by the pre-Carboniferous paleogeomorphy. Previous studies show that the paleogeomorphy is high in the west and low in the east, and the karst highland ...
Xinshan Wei   +6 more
doaj   +1 more source

GEOMORPHOLOGY AND MORPHOGENESIS OF THE BELI LOM RIVER VALLEY [PDF]

open access: yesAnalele Universității din Craiova. Seria Geografie, 2011
The present paper renders the results of a geomorphology research performed in North-Eastern Bulgaria. It focusses on the geomorphology and the main stages of evolution of the Beli Lom River. On the base of field research, geology and geophysics research,
Svetla STANKOVA
doaj  

Structural controls on evaporite paleokarst development : Mississippian Madison Formation, Bighorn Canyon Recreation Area, Wyoming and Montana

open access: yes, 2012
textThis study provides new insights on the mechanisms that controlled the development of solution-enhanced fractures and suprastratal deformation associated with the Mississippian Madison Sequence IV evaporite paleokarst complex. Based on detailed field
Eldam, Nabiel S.
core  

Paleokarst jurásico en una plataforma carbonatada inundada aislada (Subbético Externo, Cordillera Bética, provincia de Jaén)

open access: yesGeogaceta
La Unidad de Sierra Mágina (provincia de Jaén, sur de España), pertenece al Subbético Externo, subdominio alóctono de las Zonas Externas Béticas. El Subbético Externo está cabalgando hacia el Norte al Dominio Intermedio.
José Miguel Molina Cámara   +1 more
doaj   +1 more source

Sequence lithofacies paleogeography and reservoir potential of the Maokou Formation in Sichuan Basin

open access: yesPetroleum Exploration and Development, 2012
Based on multidisciplinary analyses of outcrops, core description and log data, two types of sequence boundary are identified, including a partially exposed unconformity surface and a drowned unconformity surface.
Mingyi HU   +4 more
doaj   +1 more source

Karst monadnock fine characterization and reservoir control analysis: A case from Ordovician weathering paleokarst reservoirs in Lungu area, Tarim Basin, NW China

open access: yesPetroleum Exploration and Development, 2017
: Based on the fine characterization of weathering crust paleokarst landform of the Ordovician Yingshan Formation in Lungu area, Tarim Basin, the size, number and reservoir controlling characteristics of karst monadnocks have been investigated ...
Yunfeng ZHANG   +7 more
doaj   +1 more source

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