Results 21 to 30 of about 1,952 (183)

Origins of natural gas and the main controlling factors of gas accumulation in the Middle Ordovician assemblages in Jingxi area, Ordos Basin

Natural Gas Industry B, 2016
During the progressive exploration of the Jingbian Gas Field in the Ordos Basin, multiple gas-bearing regions have been discovered in the dolomite reservoirs in the Middle Ordovician assemblages of Lower Paleozoic in Jingxi area, but these gas-bearing ...
Xinshe Liu, Youlu Jiang, Yundong Hou, Jingdong Liu, Caixia Wen, Rongwei Zhu, Feiyan Wang   +6 more
doaj   +1 more source

Ordovician and Silurian Formations of the Baltic Syneclise (NE Poland): An Organic Geochemistry Approach

Lithosphere, 2022
The Baltic Syneclise is one of the Paleozoic basins along the western margin of the East European Craton. Commercial amounts of hydrocarbons have been found onshore and offshore in the Middle Cambrian sandstones and Upper Ordovician limestone reefs.
P. Kosakowski, A. Zakrzewski, M. Waliczek   +2 more
doaj   +1 more source

Geological conditions of natural gas accumulation and new exploration areas in the Mesoproterozoic to Lower Paleozoic of Ordos Basin, NW China

Petroleum Exploration and Development, 2019
Based on field outcrop investigation, interpretation and analysis of drilling and seismic data, and consulting on a large number of previous research results, the characteristics of ancient marine hydrocarbon source rocks, favorable reservoir facies ...
Jinhu DU, Xiangbo LI, Hongping BAO, Wanglin XU, Yating WANG, Junping HUANG, Hongbo WANG, Rong WANYAN, Jing WANG   +8 more
doaj   +1 more source

New data on acritarchs from the Upper Ordovician of the Tungus basin, Siberian Platform [PDF]

Estonian Journal of Earth Sciences, 2014
Distinctive late Ordovician acritarch assemblages have been discovered for the first time from about a 100 m sedimentary succession exposed along the Bol¢shaya Nirunda River in Siberia.
Elena Raevskaya, Andrei Dronov
doaj   +1 more source

Darriwilian Saucrorthis Fauna: implications for the Great Ordovician Biodiversification Event (GOBE) [PDF]

Estonian Journal of Earth Sciences, 2014
The Saucrorthis Fauna is a brachiopod-dominated shelly fauna developed in relatively deeper-water benthic regimes of a few peri-Gondwana terranes (e.g.
Renbin Zhan, Xiaocong Luan, Bing Huang, Yan Liang, Guangxu Wang, Yi Wang   +5 more
doaj   +1 more source

Hydrocarbon discovery in the Ordovician dolomite reservoirs in the Maigaiti slope, Southwest Depression of the Tarim Basin, and its exploration implications

Natural Gas Industry B, 2017
A high-yield gas flow is produced from the dolomite reservoirs of the Ordovician Penglaiba Fm in Well Luosi 2 in the Southwest Depression of the Tarim Basin, recording as the most important major oil and gas discovery in the Maigaiti slope in recent 20 ...
Haifeng Cui, Lei Tian, Jun Liu, Nianchun Zhang   +3 more
doaj   +1 more source

Lithofacies paleogeography of the Ordovician and its petroleum exploration potential in the Middle-Upper Yangtze Area, South China

Petroleum
Based on the drilling, logging and field analysis, this paper discusses the lithofacies paleogeography of the Ordovician and its petroleum potential in the Middle-Upper Yangtze Area, South China.
Wenzheng Li, Hua Jiang, Xiaodong Fu, Yuan He, Mingfeng Gu, Nan Su, Shiyu Ma, Shugen Liu, Yongxiao Wang, Xuefei Yang   +9 more
doaj   +1 more source

The Role of Regional and Local Structure in a Late Ordovician (Edenian) Foreland Platform-to-Basin Succession Inboard of the Taconic Orogen, Central Canada

Geosciences, 2013
The Upper Ordovician (Edenian) Lindsay Formation of the Ottawa Embayment represents the final stage of carbonate platform development in the Taconic foreland periphery inboard of the northern Appalachian orogen.
George R. Dix, Ruth Gbadeyan
doaj   +1 more source

Upper Ordovician (Sandbian) bryozoan fauna from Argentine Precordillera

Journal of Paleontology, 2012
A stenolaemate bryozoan fauna containing 20 species belonging to 18 genera is described from the Las Plantas and Las Aguaditas formations (Upper Ordovician, Sandbian) in San Juan Province, Precordillera of Western Argentina. One genus with one species is new:Argentinodictya lenticulatan. gen. n. sp. (Cryptostomata, Ptilodictyina). Four species are new:
Ernst, Andrej, Carrera, Marcelo Gabriel
openaire   +2 more sources

Diagenetic evolution of key minerals and its controls on reservoir quality of Upper Ordovician Wufeng-Lower Silurian Longmaxi shale of Sichuan Basin

Shiyou shiyan dizhi, 2021
Based on core, thin section, scanning electron microscopy observations, X-ray diffraction analysis, as well as carbon and oxygen isotopes and energy spectrum analysis of carbonate rocks, the quartz, feldspar, pyrite, carbonate and clay minerals in shale ...
Ruyue WANG, Zongquan HU, Hanyong BAO, Jing WU, Wei DU, Pengwei WANG, Zeyang PENG, Ting LU   +7 more
doaj   +1 more source