Results 31 to 40 of about 4,181,948 (200)

Gas-bearing characteristics and preservation conditions of Upper Ordovician Wufeng-Lower Silurian Longmaxi shale in western Hubei

open access: yesShiyou shiyan dizhi, 2021
The Upper Ordovician Wufeng to Lower Silurian Longmaxi formations are important exploration targets for shale gas in the western Hubei province. The lithology, sedimentary facies, gas-bearing characteristics and preservation conditions of the Wufeng ...
Lulu XU   +8 more
doaj   +1 more source

Element Geochemical Characteristics and Their Geological Significance of Wufeng-Longmaxi Formation Shales in North Margin of the Central Guizhou Uplift

open access: yes, 2021
In order to discuss depositional setting and its tectonic background of the Wufeng-Longmaxi Formation organic-rich shales in the northern margin of the central Guizhou uplift, the TOC content, trace elements and rare earth elements of the samples from ...
Wang, Y   +13 more
core   +1 more source

Tectonic Features of the Wufeng–Longmaxi Formation in the Mugan Area, Southwestern Sichuan Basin, China, and Implications for Shale Gas Preservation [PDF]

open access: yes, 2022
Shale gas resources in mainland China and its commercial exploitation has been widely focused on the Wufeng–Longmaxi Formation organic-matter-rich shale in the Sichuan Basin.
Wei Zhang   +8 more
core   +1 more source

Depositional and Diagenetic Controls on Macroscopic Acoustic and Geomechanical Behaviors in Wufeng-Longmaxi Formation Shale [PDF]

open access: yesFrontiers in Earth Science, 2021
This integrated study provides significant insight into parameters controlling the dynamic and static elastic behaviors of shale. Acoustic and geomechanical behaviors measurement from laboratory have been coupled with detailed petrographic and geochemical analyses, and microtexture observations on shale samples from the Wufeng−Longmaxi Formation of the
Jixin Deng   +8 more
openaire   +2 more sources

Characteristics and controlling factors of nano pores in shale reservoirs of Wufeng-Longmaxi formations in southern Sichuan Basin: insights from Shuanghe outcrop in Changning area

open access: yesShiyou shiyan dizhi, 2020
Shale reservoirs within the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation(Wufeng-Longmaxi shales) have been one of the main targets for shale gas exploration and exploitation in the south of Sichuan Basin. This study focuses
Suyang CAI   +6 more
doaj   +1 more source

Study on the Formation Mechanism of Shale Roof, Floor Sealing, and Shale Self-Sealing: A Case of Member I of the Upper Ordovician Wufeng Formation–Lower Silurian Longmaxi Formation in the Yangtze Region

open access: yesFrontiers in Earth Science, 2021
Similar to North America, China has abundant shale resources. Significant progress has been made in the exploration and exploitation of shale gas in China since 2009.
Ziya Zhang   +31 more
doaj   +1 more source

Table1_Earth’s Orbital Control on Organic Matter Enrichment in the Black Shales of the Wufeng–Longmaxi Formation in the Upper Yangtze Region, South China.XLS

open access: yes, 2022
China’s most successful horizon for shale-gas exploration and development is the Upper Ordovician Wufeng Formation through the Lower Silurian Longmaxi Formation in its Upper Yangtze Region. In this study, the Wufeng–Longmaxi Formation black shales in the
Shaoze Zhao (12904970)   +5 more
core   +1 more source

Micro-pore structure and fractal characteristics of deep shale from Wufeng Formation to Longmaxi Formation in Jingmen exploration area, Hubei Province, China

open access: yesJournal of Natural Gas Geoscience, 2022
To explore the pore structure and fractal characteristics of shale reservoirs in the Jingmen exploration area and quantitatively evaluate the heterogeneity and complexity of pores, taking Wufeng-Longmaxi formations of Well YT3 as the research object, the
Xiaoming Li   +6 more
doaj   +1 more source

A new method for predicting the shale distribution of the Wufeng Formation in the Upper Yangtze Region, China [PDF]

open access: yesBSGF - Earth Sciences Bulletin, 2020
Taking the Late Ordovician Wufeng Formation (WFF) shale in the Upper Yangtze region as an example, we conducted a lithofacies distribution, thickness quantification, and paleo-topographic reconstruction of the Late Ordovician graptolite zones. Specifically, we focused on the Late Katian Dicellograptus complexus and the Early Hirnantian Metabolograptus ...
Sun Shasha   +4 more
openaire   +2 more sources

Characteristics of shale gas reservoirs in Wufeng Formation and Longmaxi Formation in Well WX2, northeast Chongqing

open access: yesPetroleum Research, 2017
To further understand shale reservoir characteristics of Wufeng Formation and Longmaxi Formation in the Wuxi area, northeast Chongqing, based on drilling data of Well WX2, and taking the graptolite biostratigraphy as the standard marker of stratigraphic division and comparison, the geochemistry, petrology, reservoir space and properties of organic-rich
Jin Wu   +9 more
openaire   +2 more sources

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