Results 31 to 40 of about 9,661 (202)

Lithofacies distribution characteristics and its controlling factors of shale in Wufeng Formation-Member 1 of Longmaxi Formation in the Jiaoshiba area

open access: yesPetroleum Research, 2018
It is essential to investigate shale lithofacies distribution and controlling factor of the shale for geological evaluation of shale gas exploration and development. Through comprehensive analysis of cores, thin sections, cathode luminescence, whole-rock
Chao Wang   +7 more
doaj   +1 more source

Sedimentary Evolution Characteristics of Fine-Grained Lithofacies under the High-Resolution Isochronous Shelf System: Insights from the Wufeng-Longmaxi Shales in the Sichuan Basin

open access: yesLithosphere, 2021
The deposition and evolution of fine-grained sediments is a hot topic in fine-grained sedimentary rock studies and is important for accurately evaluating shale gas sweet spots.
Guanping Wang   +7 more
doaj   +1 more source

Petro physical Evaluation and Reservoir Characterization of the Zubair Formation in Majnoon oil field, Southern Iraq. [PDF]

open access: yes, 2018
The Barremian succession in the present study is represented by the Zubair Formation which the most significant sandstone reservoir in Iraq. The area of study is located in the Southern part of Iraq at Majnoon oil field, within the Mesopotamian basin ...
Al-Zaidy, A. A. (Aiad)   +1 more
core   +1 more source

Pore structure and fractal characteristics of transitional shales with different lithofacies from the eastern margin of the Ordos Basin

open access: yesEnergy Science & Engineering, 2023
To better characterize the heterogeneity of transitional shale pore structure and understand its impact on shale gas enrichment, fine characterization of the pore structure of different shale lithofacies was performed by field‐emission scanning electron ...
Tao Wang   +10 more
doaj   +1 more source

Paleo-sedimentary environment and lithofacies of Jurassic Da’anzhai Member in the Central Sichuan Basin-A case study of Well Ren’an 1

open access: yesFrontiers in Earth Science, 2023
The Jurassic Da’anzhai Member in Sichuan Basin is an important target for shale oil exploration. Whole rock X-ray diffraction analysis, thin section, SEM and TOC testing, as well as major and trace element analysis are used to analyze the relationship of
Rui Zhang   +13 more
doaj   +1 more source

Pore Distribution Characteristics of Different Lithofacies Shales: Evidence from Scanning Electron Microscopy

open access: yesProcesses, 2023
To disclose the pore distribution characteristics of different lithofacies lacustrine shales, ten samples collected from the Shahejie Formation, Dongying Sag, Bohai Bay Basin, China, were examined using argon ion beam milling–scanning electron microscopy (SEM).
Junjie Wang   +4 more
openaire   +1 more source

Petrological characteristics and shale oil enrichment of lacustrine fine-grained sedimentary system: A case study of organic-rich shale in first member of Cretaceous Qingshankou Formation in Gulong Sag, Songliao Basin, NE China

open access: yesPetroleum Exploration and Development, 2018
Taking organic-rich shale in the first member of Cretaceous Qingshankou Formation in the Gulong Sag, northern Songliao Basin as an example, this study examined the lithofacies classification, petrological characteristics, pore size distribution and their
Bo LIU   +6 more
doaj   +1 more source

Sedimentology and microfacies of a mud-rich slope succession: in the Carboniferous Bowland Basin, NW England (UK) [PDF]

open access: yes, 2017
A paucity of studies on mud-rich basin slope successions has resulted in a significant gap in our sedimentological understanding in these settings. Here, macro- and micro-scale analysis of mudstone composition, texture and organic matter was undertaken
Hough, Edward   +4 more
core   +1 more source

A new method of shale oil facies element logging evaluation and its application in Dongying Sag [PDF]

open access: yesYouqicang pingjia yu kaifa
The lithofacies of shale oil within the Dongying Sag of the Jiyang Depression are distinguished by their complex lithology, strong heterogeneity, and marked regional distribution variances.
GUAN Qianqian,JIANG Long,CHENG Ziyan,ZHANG Diandong,WANG Yunhe,ZHANG Fan
doaj   +1 more source

TOC interpretation of lithofacies-based categorical regression model: A case study of the Yanchang formation shale in the Ordos basin, NW China

open access: yesFrontiers in Earth Science, 2023
In this paper, taking the shale of Chang 7-Chang 9 oil formation in Yanchang Formation in the southeastern Ordos Basin as an example, through the study of shale heterogeneity characteristics, starting from the preprocessing of supervision data set, a ...
Jintao Yin   +12 more
doaj   +1 more source

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