Interactions of fluids during sandstone acidizing operations
11· Sandstone formations are very complex in terms of mineralogy; it consists of a variety of minerals with different properties, minerals such as carbonate, clays, feldspars, iron …
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Capillary trapping characteristics of CO2 sequestration in fractured
121· Synthetic carbonate rocks (Core 1) and sandstone (Core 2) were used in this study. Both the cores were sintered with crushed natural stone by removing ferromagnetic …
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Formation mechanism of carbonate cement in tight sandstone …
202491· The carbonate cements in tight sandstone reservoirs are diverse, complex, and important determinants of reservoir quality. This study provides a comprehensive analysis of …
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Pure CO2 and impure CO2-SO2-NO-O2 reactions with carbon
202521· Two drill core depths, an carbonate (ankerite and siderite) cemented sandstone, and a argillaceous sandstone, were reacted with either pure CO 2 or impure CO 2 with low …
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Salt precipitation in carbonates during supercritical CO
121· Fig. 4 shows the in-situ contact angle distribution for all three core samples. The aged carbonate had an average contact angle of 126°, typical of a weakly oil-wet system. By …
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An experimental investigation on the use of saponin as a non-ionic
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Digital core analysis: Improved connectivity and permeability
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Petrological, mineralogical, carbonate C-O and sulfide S isotope …
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Experimental investigation of the influence of carbonated water on
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An experimental study for carbonate reservoirs on the impact …
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20151221· Carbonate concretions in cores may be mistaken for continuous carbonate layers but it is possible to recognise that they are concretions (Walderhaug and Bjørkum 1998). Even if CO 2 is generated from …
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Decoding smart water flooding: pH, ion composition, salinity, and …
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Sandstones with Carbonate Cement, Coal Exploration Core, …
15· Sandstones occasionally have carbonate mineral cements that cause the rock to react to HCl. Carbonate-cemented sandstones may have any of the sedimentary structures …
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Optimization of core restoration procedure based on …
SCA-008 * Corresponding author: [email protected] Optimization of core restoration procedure based on adsorption of polar crude oil components onto sandstone and carbonate …
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A Novel In-Situ Generated Acid System on Carbonate Mineral …
20151218· X-Ray Diffraction (XRD) was performed on the sandstone cores to analyze their carbonate and clay content. Coreflood studies were conducted to investigate the impact …
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Impure CO2 storage reactions of sandstone, mudstone and carbonate …
81· For carbonate cemented upper Precipice Sandstone or Moolayember Formation core strong dissolution of calcite and ankerite, with corrosion of siderite, Fe-rich chlorite, and …
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Impure CO2 storage reactions of sandstone, mudstone and carbonate …
Impure CO2 storage reactions of sandstone, mudstone and carbonate cemented cores: Experimental CO2 SO2 NOX O2 reaction metal mobilisation and fate International Journal of …
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Mineralogy analysis of Gray Berea sandstone cores.
The elemental composition of the Gray Berea sandstone cores using the X-ray fluorescence (XRF) analysis is listed in Table 2, while the mineralogy analysis of the core is shown in Figure …
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Comparison of CDC for sandstone and carbonate reservoir cores …
Furthermore, the difference between sandstone and carbonate CDC was presented by Tang and Harker (1991) as depicted in Figure 5 (re-plotted by Guo et al., 2015).
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A comprehensive review of viscoelastic polymer flooding in sandstone …
1017· Through coreflood experiments with carbonate cores and Clashach sandstone cores with permeabilities ranging between 100 and 700 mD, the adsorption and mobility …
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Stress sensitivity of permeability in high-permeability sandstone
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Salt precipitation in carbonates during supercritical CO
121· In this study, we elucidate the occurrence and dynamics of salt precipitation at the pore-scale during supercritical CO 2 injection into depleted carbonate and sandstone oil …
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Impure CO2 storage reactions of sandstone, mudstone and carbonate …
CO2 geological storage can be part of the solution to reduce carbon emissions to the atmosphere. An understanding of the geochemical processes occurring during CO2 storage is needed to …
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