Results 151 to 160 of about 79,436 (197)

Effect of Shale Lithofacies on Pore Structure of the Wufeng–Longmaxi Shale in Southeast Chongqing, China

Energy & Fuels, 2018
Total organic carbon (TOC), optical microscopy (OPM), field emission scanning electron mi-croscopy (FE-SEM), X-ray diffraction (XRD) and nitrogen gas adsorption (N2GA) analyses were performed on shale samples from the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation (Wufeng-Longmaxi Formation) in order to explore the effect ...
Luchuan Zhang, Shuangfang Lu, Shu Jiang, Dianshi Xiao, Lei Chen, Yang Liu, Yuying Zhang, Bo Li, Cheng Gong   +8 more
openaire   +1 more source

Application of Artificial Intelligence on Black Shale Lithofacies Prediction in Marcellus Shale, Appalachian Basin

Proceedings of the 2nd Unconventional Resources Technology Conference, 2014
Organic-rich shale lithofacies, primarily defined by mineral composition and organic matter richness, reflects the features of the two critical factors for unconventional shale reservoirs. The research of shale lithofacies can aid in identifying shale gas productive zones and designing horizontal well and hydraulic fracturing.
Guochang Wang, Yiwen Ju, Timothy R. Carr, Chaofeng Li, Guojian Cheng   +4 more
openaire   +1 more source

Effect of sedimentary environment on shale lithofacies in the lower third member of the Shahejie Formation, Zhanhua Sag, eastern China

Interpretation, 2017
Research on shale lithofacies is important for shale oil and gas production. This study focused on the lower third member of the Shahejie Formation ([Formula: see text]) in the Luo-69 well in the Zhanhua Sag, Jiyang Depression, Bohai Bay Basin, eastern ...
Guoheng Liu, Tingwei Li, Zhenxue Jiang   +2 more
exaly   +2 more sources

Lithofacies of the Devonian Marcellus Shale In the Eastern Appalachian Basin, U.S.A.

Journal of Sedimentary Research, 2015
Abstract:  The Marcellus Shale is an important hydrocarbon source rock and an unconventional reservoir whose origin has engendered much recent debate among geologists. Our analysis of the formation in West Virginia and adjacent States aims to identify and describe the several lithofacies in the eastern Appalachian basin and to ...
Kathy R. Bruner, Margaret Walker-Milani, Richard Smosna   +2 more
openaire   +1 more source

On the Zechstein Copper Shale lithofacies and palaeoenvironments in SW Poland

Geological Society, London, Special Publications, 1986
Summary Microfacies and geochemical studies on the Copper Shale in the Sudetic Foreland of SW Poland show the strong influence of palaeorelief on the distribution of lithofacies. Spatial variability in microlithofacies and lithofacies indicate sedimentation in the following palaeoenvironments: (1) offshore—deep shelf, characterized by the ...
openaire   +1 more source

Lithofacies and Depositional Environments of Monterey Shale, California: ABSTRACT

AAPG Bulletin, 1981
The Miocene Monterey Formation records the deep basinal phase of a major late Tertiary cycle of basin formation and filling associated with wrench fault tectonism. Over much of coastal California, Neogene facies show a progression from Oligocene nonmarine and neritic rocks to Miocene basinal shales and siliceous rocks and then to upper Miocene to ...
openaire   +1 more source

Methodology of organic-rich shale lithofacies identification and prediction: A case study from Marcellus Shale in the Appalachian basin

Computers & Geosciences, 2012
The success of shale gas in North America has attracted increased interest in ''unconventional'' reservoirs. Two critical factors for shale-gas reservoirs are units amenable to hydrologic fracture stimulation and sufficient natural gas content. The effectiveness of hydrologic fracture stimulation is influenced by rock geomechanical properties, which ...
Guochang Wang, Timothy R. Carr
openaire   +1 more source

Lithofacies classification in Barnett Shale using proximal support vector machines

SEG Technical Program Expanded Abstracts 2014, 2014
Summary Classification of different lithofacies and petrotypes is one of the main objectives of modern quantitative seismic interpretation. In this study, we present preliminary results of the application of a proximal support vector machine (PSVM) classification algorithm to seismic data.
Tao Zhao*, Vikram Jayaram, Kurt J. Marfurt, Huailai Zhou   +3 more
openaire   +1 more source

Quantitative Lithofacies and Biofacies Study of Florena Shale (Permian) of Kansas

AAPG Bulletin, 1955
ABSTRACT The purpose of this study is to test the practicality and scientific potential of an analytical technique designed to produce quantitative data on biofacies and lithofacies changes. The unit selected for analysis is the Florena shale member of the Beattie limestone (Wolfcampian), a fossiliferous unit traceable across Kansas ...
openaire   +1 more source

Porosity characteristics of the Devonian Horn River shale, Canada: Insights from lithofacies classification and shale composition

International Journal of Coal Geology, 2015
Abstract This study evaluates pore systems of the Horn River shale in Western Canada Sedimentary Basin from lithofacies classification of core samples to micro-scale pore structure investigation. Samples from the Middle and Upper Devonian Horn River shale sequence were examined by core description, porosity measurement, SEM, and TEM imaging of ion ...
Tian Dong, Nicholas B. Harris, Korhan Ayranci, Cory E. Twemlow, Brent R. Nassichuk   +4 more
openaire   +1 more source