Articles with "longmaxi shale" as a keyword



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Experimental Study on Longmaxi Shale Breaking Mechanism with Micro-PDC Bit

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Published in 2017 at "Rock Mechanics and Rock Engineering"

DOI: 10.1007/s00603-017-1255-6

Abstract: China has abundant shale gas resource, but its geological conditions are complicated. This work sought to find the shale breaking mechanism with the polycrystalline diamond compact (PDC) bit when drilling the shale that is rich… read more here.

Keywords: micro pdc; shale breaking; bit; pdc bit ... See more keywords
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Anisotropy rock physics model for the Longmaxi shale gas reservoir, Sichuan Basin, China

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Published in 2017 at "Applied Geophysics"

DOI: 10.1007/s11770-017-0609-x

Abstract: The preferred orientation of clay minerals dominates the intrinsic anisotropy of shale. We introduce the clay lamination (CL) parameter to the Backus averaging method to describe the intrinsic shale anisotropy induced by the alignment of… read more here.

Keywords: physics; longmaxi shale; rock physics; clay ... See more keywords
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The dichotomy in noble gas signatures linked to tectonic deformation in Wufeng-Longmaxi Shale, Sichuan Basin

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Published in 2021 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2021.120412

Abstract: Abstract Geochemical homogeneity in shale is often assumed when tracing subsurface fluids and characterizing sedimentary basins. This study presents measurements of the bulk gas composition, stable isotopes, and noble gas volume fraction and isotopes for… read more here.

Keywords: gas; sichuan basin; longmaxi shale; noble gas ... See more keywords
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Organic matter-hosted pore system in the Wufeng-Longmaxi (O3w-S11) shale, Jiaoshiba area, Eastern Sichuan Basin, China

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Published in 2017 at "International Journal of Coal Geology"

DOI: 10.1016/j.coal.2017.02.004

Abstract: Abstract The first commercial shale gas with the capability to produce 203,000 cubic meters per day were discovered in the Wufeng-Longmaxi (O 3 w-S 1 l) shale (namely, the upper Ordovician Wufeng shale (O 3 w) and the lower… read more here.

Keywords: area; longmaxi shale; shale; wufeng longmaxi ... See more keywords
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Geologic structure controls on initial productions of lower Silurian Longmaxi shale in south China

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Published in 2018 at "Marine and Petroleum Geology"

DOI: 10.1016/j.marpetgeo.2018.01.001

Abstract: Abstract The Lower Silurian Longmaxi shale is the most important marine shale gas play in South China. Several hundred wells have been drilled to date, of which more than 150 wells have obtained high initial… read more here.

Keywords: lower silurian; gas; sichuan basin; longmaxi shale ... See more keywords
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Pore development of the Lower Longmaxi shale in the southeastern Sichuan Basin and its adjacent areas: Insights from lithofacies identification and organic matter

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Published in 2020 at "Marine and Petroleum Geology"

DOI: 10.1016/j.marpetgeo.2020.104662

Abstract: Abstract X-ray diffraction (XRD), field emission/focusing ion beam scanning electron microscopy (FE-/FIB-SEM), nitrogen gas adsorption (N2GA), and geochemical analyses were performed on the Lower Longmaxi shale in the southeastern Sichuan Basin and its adjacent areas… read more here.

Keywords: hosted pores; lower longmaxi; pore development; longmaxi shale ... See more keywords
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An investigation of the evolution of the internal structures and failure modes of Longmaxi shale using novel X-ray microscopy

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Published in 2020 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2019.106479

Abstract: Abstract An accurate description of the evolution of the internal structure of shale during loading and fracturing is important to understand the failure mechanisms that are related to shale-gas migration. The aim of this work… read more here.

Keywords: novel ray; evolution; microscopy; ray microscopy ... See more keywords