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Experimental Study on Enhanced Oil Recovery by Microbial Chemical Flooding in High Pour Point Oil Reservoir
High pouching oil is characterized by high freezing point, high wax content and high wax extraction temperature. During the development process, the...
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Synergistic Effects of Microbial Polysaccharide Mixing with Surfactant on Enhanced Oil Recovery
Biopolymer flooding is one of the most recently developed technologies to enhance oil recovery (EOR). A novel exopolysaccharide named WL is produced...
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A new approach based on VIKOR and Monte-Carlo algorithms for determining the most efficient enhanced oil recovery methods: EOR screening
Most of oil reservoirs in the world have faced decrease in production and they are in the second half of their life cycle. Therefore, tertiary and...
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Anaerobic activation of microorganisms indigenous to oil reservoirs to enhance oil recovery
Microbial enhanced oil recovery focuses on the activation, isolation, and screening of aerobic functional bacteria. Air injection is required to...
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Investigation on Enhanced Oil Recovery with Foaming Viscosity Reducer Flooding in Deep Heavy Oil Reservoir Using Experimental and Numerical Simulation Methods
In the late stage of oil development, water channeling is a severe issue with viscosity-reducer flooding in deep heavy oil reservoirs, making it...
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Microbial-derived bio-surfactant using neem oil as substrate and its suitability for enhanced oil recovery
The limitation in the formulation and application of synthetic surfactants in petroleum industry is owing to their high cost of production or...
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Optimization of triple-alternating-gas (TAG) injection technique for enhanced oil recovery in tight oil reservoirs
After single-gas (SG) injection operations in tight oil reservoirs, a significant amount of oil is still unrecovered. To increase productivity,...
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Experimental study on the evaluation of surfactant/polymer flooding for enhancing oil recovery in Kumkol Oil Field
Chemical enhanced oil recovery (EOR) methods are shown to sweep the residual oil by altering physical properties of fluids after waterflooding to...
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Enhanced Oil Recovery from a Carbonate Reservoir During Low Salinity Water Flooding: Spontaneous Imbibition and Core-Flood Methods
Spontaneous imbibition and core flooding investigations were carried out on limestone core plug samples using different low salinity water (LSW) and...
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Comparative studies of enhancing oil recovery optimization for optimum oil field development
The industry aims to devise ways of producing maximum hydrocarbon from oil field to ensure maximum returns from the investments and to recover the...
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Mechanistic study of nanoparticles-assisted xanthan gum polymer flooding for enhanced oil recovery: a comparative study
Recently, nanoparticle additives have been used to improve stability and hence efficiency of chemicals during enhanced oil recovery. Herein, a...
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Inhibition of methanogenesis through redox processes in oil sands tailings
Bitumen extraction from oil sands ore in Alberta, Canada, has generated > 1.3 billion m 3 of tailings comprised of slurry of fine silt, clay, residual...
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Enhanced oil recovery with carbon dioxide geosequestration: first steps at Pre-salt in Brazil
This paper revisits the intense using of energy in the world and the role of the fossil fuels with predominance of the oil in the global primary...
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Laboratory Study and Field Test of Bio-Nano Oil Displacement System in Offshore Low Permeability Reservoirs
At present, some low permeability reservoirs in offshore oil fields have small pores and complex structures. When the fluid flows through them, it is...
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New insights into guar gum as environmentally friendly polymer for enhanced oil recovery in high-salinity and high-temperature sandstone reservoirs
Chemical enhanced oil recovery (EOR) processes are usually used as additives for hydrocarbon production due to its simplicity and relatively...
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Investigating the vaporization mechanism's effect on interfacial tension during gas injection into an oil reservoir
In gas injection, which is one of the fascinating enhanced oil recovery techniques, the main mechanism involves decreasing interfacial tension (IFT)....
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Nanoparticle-Based Bioremediation for Crude Oil Removal from Marine Environment
The crude oil impurities have a constant detrimental effect on the environment and human health in the marine ecosystem. Thus, over several decades...
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Characteristics of microbial communities in water from CBM wells and biogas production potential in eastern Yunnan and western Guizhou, China
The study of microbial communities in the produced water of coalbed methane (CBM) wells is an important aspect of microbial-enhanced methane...
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Interactions between chloride-based salts (CaCl2 and MgCl2), ionic liquids, pH, and titanium oxide nanoparticles under low and high salinity conditions, and synthetic resinous crude oil: dorud oilfield
Unfortunately, oil reservoirs are complex considering the fluids (e.g., crude oil composition) and rock properties making it hard to propose a simple...
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Microscopic enrichment and porosity-permeability reduction mechanism of residual oil in tight sandstone reservoirs: an insight from Chang 8 Member, Yanchang Formation, Ordos Basin, China
This study delves into the micro-occurrence states and enrichment mechanisms of residual oil, pivotal for advancing the production from tight...
