2023
DOI: 10.1016/j.marpetgeo.2023.106156
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Microscopic characteristics of pore-fracture system in lacustrine shale from Dongying Sag, Bohai Bay Basin, China: Evidence from scanning electron microscopy

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Cited by 19 publications
(7 citation statements)
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“…Correspondingly, the oil saturation (S o ) can also be determined, with a larger average value of 41.76%, from 3.87% to 88.11%. Compared with shales from the Qingshankou Formation, the studied shales have much 23 Pores can be well analyzed by high-resolution SEM images after argon-ion polishing. 58 The pyrite can be first identified due to the largest gray values, and it appears as strawberry-shaped aggregates with developed intercrystalline pores (Figure 9a,i).…”
Section: Pore Fluid Contents At Ar and Wor Statesmentioning
confidence: 99%
“…Correspondingly, the oil saturation (S o ) can also be determined, with a larger average value of 41.76%, from 3.87% to 88.11%. Compared with shales from the Qingshankou Formation, the studied shales have much 23 Pores can be well analyzed by high-resolution SEM images after argon-ion polishing. 58 The pyrite can be first identified due to the largest gray values, and it appears as strawberry-shaped aggregates with developed intercrystalline pores (Figure 9a,i).…”
Section: Pore Fluid Contents At Ar and Wor Statesmentioning
confidence: 99%
“…Shale gas is an important renewable energy source with low carbon emissions, high efficiency, and wide applications. , As the global economy and technology advance, shale gas research and development has become a prominent topic in the energy sector. Shale gas has the unique property of self-generation and self-storage, , as shale acts as both a hydrocarbon source rock and a reservoir layer . Shale gas reservoir research requires a good understanding of the shale pore structure.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the relatively small proportion of organic pores, lacustrine shale has more complex pore structure and stronger heterogeneity than marine shale (Zhang et al, 2021;Zhang et al, 2023). Intraparticle pores in clay aggregates, interparticle pores between or at the edges of brittle minerals (quartz or feldspar), and dissolution pores in calcite and dolomite are thought to provide the main storage space required for lacustrine shale oil (Zhang et al, 2020).…”
Section: Introductionmentioning
confidence: 99%