Results 1 to 10 of about 27,201 (258)

Peculiarities of the study of pre-gas-hydrate deposits

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2023
A quantitative measure of well productivity is the productivity factor. Its value is determined by many factors, but especially by filtration-volume parameters of the zone immediately adjacent to the bottomhole.Filtration-capacitive properties of these ...
Yu. E. Katanov   +2 more
doaj   +1 more source

Biostratigraphy of the Cretaceous deposits based on ammonites in the southwest of Qayen area (Qumenjan section) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2021
Ammonite biostratigraphy could be used in age determination and correlation of rock units in different sedimentary basins. Qumenjan section with 125 meters thickness is mainly formed by grey sandy limestone with grey and thick-bedded limestone ...
Seyed Naser Raisossadat   +3 more
doaj   +1 more source

A study of perforation fluids for secondary opening of productive formations at the Bovanenkovo oil and gas condensate field

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2023
When leaving the drilling of gas wells at the fields of Western Siberia, various methods and technologies are employed for their development, such as the secondary opening of productive formations. While undertaking the secondary opening, it is essential
E. V. Panikarovskii   +3 more
doaj   +1 more source

New information about late cretaceous pycnodont fishes (Actinoptergyii, Pycnodontiformes) from the near east [PDF]

open access: yesResearch & Knowledge, 2017
Over roughly the last decade, the Lebanese Cenomanian localities have revealed high numbers of newly discovered pycnodont taxa and even two new families of pycnodonts.
John J. Cawley, Jürgen Kriwet
doaj   +1 more source

Cassiopid gastropods from the cretaceous of Western Serbia [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2007
Three species of Cassiopidae (Cerithioidea, Gastropoda) are described from outcrops in the vicinity of the villages Rastište and Mokra Gora in western Serbia. They occur in marly limestones of near shore shallow water deposits.
Banjac Nenad, Bandel Klaus, Kiel Steffen
doaj   +1 more source

Middle Cenomanian coral fauna from the Roßsteinalmen (Northern Calcareous Alps, Bavaria, Southern Germany) – a revised and extended version [PDF]

open access: yesZitteliana, 2023
In the Northern Calcareous Alps, relics of a formerly widely distributed shallow marine facies belonging to the Branderfleck Formation (upper Albian to lower Turonian) crop out and contain locally abundant corals.
Hannes Löser   +2 more
doaj   +3 more sources

Amber- and plant-bearing deposits from the Cenomanian of Neau (Mayenne, France)

open access: yesBSGF - Earth Sciences Bulletin, 2020
A new Cenomanian amber- and plant-bearing deposit has been discovered at Neau, in the Mayenne department (France). The Cenomanian fossiliferous lignites are located in karst filling in a substratum of Cambrian limestones.
Néraudeau Didier   +9 more
doaj   +1 more source

The first stage of the evolution of Rhabdomastix (Diptera, Limoniidae) and the taxonomic implications of genus

open access: yesThe European Zoological Journal, 2021
A new subgenus Myanmamastix subgen. n. and four new species of Rhabdomastix from Cenomanian Burmese amber were described: Rhabdomastix (Myanmamastix) asiatica subgen. and sp. n., Rhabdomastix (Myanmamastix) cretacica subgen. and sp.
I. Kania-Kłosok   +4 more
doaj   +1 more source

First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada [PDF]

open access: yesActa Palaeontologica Polonica, 2020
We report the discovery of Maculaferrum blaisi gen. et sp. nov, the first occurrence of the family Tettigarctidae, informally known as hairy cicadas, in North America.
Alexandre V. Demers-Potvin   +3 more
doaj   +1 more source

Assessment of prospects for petroleum bearing Aptian-Albian-Cenomanian strata of the Yamal peninsula - north of Western Siberia, on the basis of 2D seismic survey [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2022
The article presents a brief description of the geological structure and petroleum potential of the Aptian-Albian-Cenomanian strata. On the basis of 2D seismic exploration as part of the Aptian and Albian-Cenomanian levels, new promising objects were ...
Smirnov O.A., Borodkin V.N.
doaj   +1 more source

Home - About - Disclaimer - Privacy