Effects of bacterial cell density and alternating microbial- and enzymolysis-enhanced oil recovery on oil displacement efficiency
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.06.083
Abstract: Abstract In the present study, the effects of bacterial cell density on microbial enhanced oil recovery (MEOR) and enzymolysis enhanced oil recovery (EEOR) were investigated. A simulated oil displacement test was conducted to determine the… read more here.
Keywords: displacement efficiency; displacement; oil recovery; oil displacement ... See more keywords
Effect of casing rotation on displacement efficiency of cement slurry in highly deviated wells
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.01.040
Abstract: Abstract Rotating casing is helpful to improve cementing quality. In the case of casing rotation and non-rotation, the influence of density difference and casing eccentricity on displacement efficiency and displacing interface in highly deviated wells… read more here.
Keywords: highly deviated; casing rotation; deviated wells; rotation ... See more keywords
Research on Key Technologies to Improve Cementing Displacement Efficiency
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c00419
Abstract: The annulus has a wide and narrow clearance due to casing eccentricity in the cementing process and due to the eccentricity of casing in the process of cementing. Because the flow resistance of the drilling… read more here.
Keywords: cementing displacement; layer; displacement efficiency; drilling fluid ... See more keywords
Oil Displacement by the Magnetic Fluid Inside a Cylindrical Sand-Filled Sample: Experiments and Numerical Simulations
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DOI: 10.1021/acsomega.2c02444
Abstract: Magnetic fluid is a new type of smart material, which holds implications for highly enhancing the oil displacement efficiency. In the present study, we perform a comprehensive investigation to probe the influence of a magnetic… read more here.
Keywords: oil displacement; displacement efficiency; displacement; magnetic fluid ... See more keywords
Effect of High-Multiple Water Flooding and Layered Allocation on Oil Displacement Efficiency in Unconsolidated Sandstone Reservoirs
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DOI: 10.1021/acsomega.5c10629
Abstract: The main oil layer of Oilfield A is characterized by shallow braided river delta deposits with weak vertical and horizontal continuity of sand bodies and strong heterogeneity. After over 20 years of water flooding development,… read more here.
Keywords: oil displacement; water; water flooding; displacement efficiency ... See more keywords
A co-optimization method of equivalent circulating density and displacement efficiency in managed pressure cementing phase considering casing eccentricity
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0280990
Abstract: Equivalent circulating density (ECD) and displacement efficiency are critical for cementing quality. First, the ECD prediction model for the injection stage of managed pressure cementing was established by considering the density and rheology of different… read more here.
Keywords: pressure; injection; density; displacement efficiency ... See more keywords