Results 21 to 30 of about 2,661 (202)

Results of Water Inflow Elimination in Wells Draining Gas Сondestate Deposits

open access: yesНаука. Инновации. Технологии, 2022
Introduction. The difficult geological, physical and technological conditions for the development of gas condensate fields in the Far North lead to the fact that they are prematurely flooded with formation waters.
E. Vaganov   +5 more
doaj   +1 more source

VALANGINIAN RADIOLARIANS OF NE SARDINIA (ITALY) IN THE FRAME OF THE WEISSERT EVENT

open access: yesActa Palaeontologica Romaniae, 2022
This article presents the very rich radiolarian fauna from the S’Ozzastru section of the Siniscola Marl crop-ping out in the northern part of Mt Albo massif (NE Sardinia, Italy). The formation was ascribed to the lower part of the upper Valanginian on the basis of the ammonite fauna indicating the Verrucosum Zone and the nannofossil con-tent suggesting
Dumitrica, Paulian   +2 more
openaire   +2 more sources

Valanginian climate cooling and environmental change driven by Paraná-Etendeka basalt erosion [PDF]

open access: yes, 2023
The Valanginian ‘Weissert’ Event (~134.5 Ma) has long been linked to emplacement of the Paraná-Etendeka Large Igneous Province (LIP). Although several Mesozoic crises were triggered by volcanic CO2 emissions and global warming, causing oceanic oxygen ...
Ownsworth, E.   +12 more
core   +1 more source

Biostratigraphical study of Lower Cretaceous Kašajina river beds and its importance for geology of NE Serbia [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2002
This article presents results of detailed palynological study in the Lower Cretaceous Kašajina River Beds (Klokočevac, NE Serbia) and its importance for the geology of NE Serbia.
Ercegovac Marko   +2 more
doaj   +1 more source

THE VALANGINIAN WEISSERT OCEANIC ANOXIC EVENT RECORDED IN CENTRAL-EASTERN SARDINIA (ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2018
Investigations on the S’Ozzastru section from the northern part of the Mt Albo area (central-eastern Sardinia, Italy) for integrated litho- bio- and chemostratigraphy allowed the identification of the Valanginian Weissert Oceanic Anoxic Event (OAE ...
CINZIA BOTTINI   +4 more
doaj   +1 more source

TECHNOLOGIES OF EXPOSING THE VALANGIAN DEPOSITS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2016
The problems arising when drilling horizontal and gently sloping wells in the Valanginian deposits are considered. The analysis of technologies of drilling-in the Valanginian reservoirs by sideholes using water-base clay drilling muds and the aerated ...
E. V. Panikarovski, V. V. Panikarovski
doaj   +1 more source

Facies models of the Achimov Formation of East-Urengoiskoe license as the basis for optimizing exploration and field development patterns

open access: yesGeoresursy, 2020
The results of sedimentological core analysis of the Achimov Formation (Upper Valanginian, Lower Cretaceous) confirm that it was formed by higher efficiency systems of submarine fans in (relatively) deep marine basin.
Alena V. Khramtsova   +6 more
doaj   +1 more source

Biostratigraphy of the Tirgan Formation in the Kopet-Dagh basin:Stratigraphic sections of the Tirgan village and Amirabad [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
The Lower Cretaceous successions of the NE Iran in the sedimentary Kopet-Dagh basin are result from transgression of the Berriasian-Barremian marine, which are deposited after first erosional cycle (Late Jurassic-Early Cretaceous).
Masoumeh Gheiasvand   +4 more
doaj   +1 more source

New Early Cretaceous Geosites with Palaeogeographical Value from the Northwestern Caucasus

open access: yesHeritage, 2022
Field investigations in the northwestern segment of the Greater Caucasus, a Late Cenozoic orogen, have permitted the establishment of two new geosites, namely the Ubin and Bezeps geosites.
Dmitry A. Ruban, Zoya A. Tolokonnikova
doaj   +1 more source

Linoporella buseri Radoičić, 1975, revisited: A Liassic dasycladalean alga from the Dinarides and continental Italy [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2009
The Liassic Linoporella buseri is re-examined, on the basis of an abundant material of reefal origin, originating from the newly described type-locality in Slovenia. It is compared with the Berriasian-Valanginian type-species L.
Radoičić Rajka   +2 more
doaj   +1 more source

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