Results 71 to 80 of about 4,224,476 (188)

Reservoir characteristics and well-logging evaluation of the Lower Cambrian shales in southeast Chongqing, China

open access: yesPetroleum Research, 2016
: To accurately identify the reservoir characteristics and main controlling factors of the Cambrian Niutitang black shale in the southeast Chongqing, a series of systematic measurements were conducted on core samples from Well Yuke-1 and Well Youke-1 ...
Xiaomeng Cao   +4 more
doaj   +1 more source

Gas preservation conditions of Cambrian Niutitang formation shale in western margin of Xuefeng uplift, SE China-based on the analysis of paleofluid

open access: yesFrontiers in Earth Science
IntroductionThe lower Cambrian Niutitang Formation shale in the western margin of the Xuefeng uplift (WMXU), South China, possesses favorable material conditions including significant thickness, high organic carbon content, and high thermal maturity ...
Zhiwei Fan   +5 more
doaj   +1 more source

Paleoredox conditions and shale gas potential of the Niutitang Formation: Insights from pyrite morphology, in situ trace elements, and Fe–S isotopes

open access: yes
Raw data for all figures in the manuscript by Miao Shi, Qinyuan Cao, Jinchuan Zhang, Bingsong Yu, Ye Yuan, Haoyu Lu, and Xiwei Wang to be published by Geochimica et Cosmochimica Acta as "Paleoredox conditions and shale gas potential of the Niutitang ...
Shi, Miao
core   +1 more source

Application of GEM elemental logging in shale reservoir sedimentary environment identification

open access: yesHe jishu
BackgroundElement capture logging can be used to determine the elemental contents of rocks in formations.PurposeThis study aims to obtain accurate elemental composition, the content of shale reservoirs and the inaugural parameter well for shale gas in ...
LI Bin, DONG Zhenguo, LUO Qun
doaj   +1 more source

The evolution of the Sinian–Early Cambrian E’xi Trough in the Central Yangtze region and its geological significance for natural gas

open access: yesDizhi lixue xuebao
Objective  From the Neoproterozoic Sinian to the Early Cambrian periods, extensive basins in South China accumulated substantial volumes of organic-rich shale and carbonate rocks, providing high-quality source rocks and reservoirs.
CHEN Ke, LU Yanxin, WANG Yuluo, LI Fei
doaj   +1 more source

Paleo-environments and organic matter enrichment in the shales of the Cambrian Niutitang and Wunitang Formations, south China: Constraints from depositional environments and geochemistry

open access: yes, 2021
A comprehensive study of the lithology, mineralogy, major element and trace element geochemistry of the organic-rich shales in the Lower-Middle Cambrian Niutitang and Wunitang Formations in South China was performed to assess the depositional ...
Feng, W   +13 more
core   +1 more source

Study on the Mechanism of Ionic Stabilizers on Shale Gas Reservoir Mechanics in Northwestern Hunan

open access: yesEnergies, 2019
The shale of the lower Cambrian Niutitang formation in northwestern Hunan is an ideal reservoir for shale gas. There is a close connection between borehole stability and drilling fluid in shale gas drilling.
Pinghe Sun   +7 more
doaj   +1 more source

An SEM study of microfossils in the black shale of the Lower Cambrian Niutitang Formation, Southwest China: Implications for the polymetallic sulfide mineralization

open access: yes, 2015
The black shale in the Lower Cambrian Niutitang Formation on the southeastern margin of the Yangtze Platform hosts a layer of polymetallic sulfide ores containing extremely high concentrations of Ni (up to 3.8 wt.%) and Mo (up to 7.5 wt.%).
Xu, J, Li, YL
core   +1 more source

Data for: Surface water oxygenation and bioproductivity - a link provided by combined chromium and cadmium isotopes in Early Cambrian metalliferous black shales (Nanhua Basin, South China)

open access: yes, 2020
Cadmium isotope data and cadmium concentrations of metalliferous black shales from the Niutitang Formation (Yangtze Platform, South China)THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS
Frei, R (via Mendeley Data)   +1 more
core   +1 more source

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