Coupled effect of CO2 attack and tensile stress on well cement under CO2 storage conditions
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DOI: 10.1016/j.conbuildmat.2016.10.117
Abstract: Abstract In carbon capture and storage (CCS) wells, the well cement is attacked by CO 2 -rich fluids, coupled with tensile stress. In this study, well cement samples were designed to be exposed to humid… read more here.
Keywords: coupled effect; storage; tensile stress; well cement ... See more keywords
Electrokinetic nanoparticle injection for remediating leaks in oil well cement
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DOI: 10.1016/j.conbuildmat.2017.08.152
Abstract: Abstract This paper presents experimental results on injecting nanoparticles into a hardened oil well cement with electromigration technique. Oil well cement is a special cement type used in underground constructions to protect steel casing of… read more here.
Keywords: technique; porosity; oil well; oil ... See more keywords
Adsorption behavior and mechanism of a copolymer used as fluid loss additive in oil well cement
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DOI: 10.1016/j.conbuildmat.2018.11.184
Abstract: Abstract The polymer-based additives, which are widely used in the field of well cementing operation, are copolymers synthesized using monomers by free radical copolymerization. Undoubtedly, the hydration process of oil well cement with variety of… read more here.
Keywords: well cement; oil well; cement; fluid loss ... See more keywords
Effect of modified sepiolite and carbon fiber composite on performance of oil-well cement and mechanism analysis
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DOI: 10.1016/j.conbuildmat.2019.117837
Abstract: Abstract Sepiolite fiber (HPS), as a cheap and environmentally friendly mineral fiber material, has good application value in toughening filler of oil well cement stone and is the best substitute for toxic asbestos material. However,… read more here.
Keywords: oil well; fiber; cement; cement paste ... See more keywords
Hybrid effect of basalt fiber and carbon fiber on the mechanical properties and microstructure of oil well cement
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DOI: 10.1016/j.conbuildmat.2021.122696
Abstract: Abstract In order to study the hybrid effect of basalt fiber and carbon fiber on the mechanical properties of oil well cement, the response surface design method was adopted to optimize the mixed content of… read more here.
Keywords: basalt; oil well; well cement; oil ... See more keywords
Experimental study of the effects of CO2 concentration and pressure at elevated temperature on the mechanical integrity of oil and gas well cement
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2017.04.009
Abstract: Abstract Oil and gas well cement reacts with carbonated brine thereby resulting in mechanical degradation after the cement is placed behind the casing. CO 2 concentration and pressure influence the rate of the reaction. This… read more here.
Keywords: cement; mineralogy; concentration pressure; well cement ... See more keywords
Characterization by microcomputed tomography of class G oil well cement paste exposed to elevated temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.01.022
Abstract: Abstract During the life cycle of an oil well the cement paste is subjected to various forms of deterioration which affect its durability. One of these forms of deterioration is due to the effect of… read more here.
Keywords: well cement; cement paste; oil well; class ... See more keywords
Improved carbonation resistance and durability of Saudi Class G oil well cement sheath in CO2 rich environments using laponite
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DOI: 10.1016/j.petrol.2020.107812
Abstract: Abstract The physical properties of the oil well cement are significantly changing after reacting with CO2-saturated brine. In this study, the effect of incorporating the laponite on the properties of the Saudi Class G cement… read more here.
Keywords: carbonation; oil well; co2; cement ... See more keywords
The Use of Graphite to Improve the Stability of Saudi Class G Oil-Well Cement against the Carbonation Process
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DOI: 10.1021/acsomega.1c05686
Abstract: Oil-well cement physical characteristics considerably change after being carbonated by a CO2-rich solution. In this study, the influence of graphite particles in the characteristics of oil-well cement reacted with a CO2-rich solution at 130 °C… read more here.
Keywords: well cement; cement; cement matrix; oil well ... See more keywords
Effect of Hole on Oil Well Cement and Failure Mechanism: Application for Oil and Gas Wells
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DOI: 10.1021/acsomega.1c06275
Abstract: Cementing is an important operation in the drilling process. During the cementing process, mud cake, fracturing, perforation, and so on will cause holes in the cement sheath. Thereby, the size effect will reduce the cement… read more here.
Keywords: cement; oil well; well cement; hole ... See more keywords
Curing Time Impacts on the Mechanical and Petrophysical Properties of a Laponite-Based Oil Well Cement
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DOI: 10.1021/acsomega.2c03491
Abstract: Throughout the life of a well, the cement sheath is exposed to several loadings, which can harm its key properties and impede its functions. These loadings become more significant at the early age of forming… read more here.
Keywords: time impacts; well cement; cement; curing time ... See more keywords