Pilot test of polymer microsphere alternate surfactant flood (PMAS) with mixtures of anionic-cationic surfactants under harsh conditions in a sandstone reservoir
Available online 9 January 2023
The first pilot test of polyacrylamide microsphere alternate surfactant flood (PMAS) with mixtures of anionic-cationic surfactants (Sa/c) was carried out for a high-temperature, high-salinity, and high-hardness...
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3D static reservoir modelling of Abu Madi paleo-valley in Baltim Field, Offshore Nile Delta Basin, Egypt
December 2022
The 3D static reservoir modelling provides a good understanding for the hydrocarbon reservoir distribution and properties. This study aimed to construct a static model to study the gas-reservoir potentiality...
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Study of native oil-bearing rocks of the Cuban basin by high resolution NMR spectroscopy
December 2022
Application of high resolution 13C nuclear magnetic resonance (NMR) spectroscopy to characterize Cuba oil and oil-containing rock samples from Cuban basin was demonstrated. The chemical shifts of 13C...
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Study on the influence of fracture lengths and fracture angles on residual oil distribution based on the slab model
December 2022
After fracturing in the pilot area, channeling occurs at a low fracture angle (15°). Based on the resistance-water saturation relationship, three-dimensional physical simulation methods are used in...
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Geophysical appraisal of the Abu Madi gas reservoir, Nile Delta Basin, Egypt: Implications for the tectonic effect on the lateral distribution of petrophysical parameters
December 2022
The tectonic deformation has a significant influence on the hydrocarbon reservoirs properties. The effect of this process focuses on the lateral distribution of the petrophysical parameters characterizing...
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Rheological behavior of oil sludge from Algerian refinery storage tanks
December 2022
The consumption and demand for petroleum are increasing dramatically with the rapid development of industry and energy sector. As a result, petroleum refineries produce the greatest amount of oily sludge...
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Improving TC drill bit's efficiency and resistance to wear by graphene coating
December 2022
Displaying a two-dimensional pure crystal carbon structure, Graphene is the strongest, yet thinnest substance discovered by scientists. Coating tungsten carbide (TC) drill bits with graphene to evaluate...
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Evaluation of sample scale effect on geomechanical tests
December 2022
The size of the rock specimen affects the stress concentrates in the vicinity of the top/bottom of the rock specimen during the evaluation of the geomechanical parameters in the laboratory, which causes...
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Comparative elemental, mineral and microscopic investigation of sandstone matrix acidizing at HPHT conditions
December 2022
Matrix acidizing is usually conducted on sandstone reservoirs to increase hydrocarbon production. Mineralogy plays an important role in designing acidizing treatments to enhance the production of oil...
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Addition of surfactants to Low Salinity Waterflooding in microfluidics system to increase oil recovery
December 2022
This study was conducted to investigate the phenomenon of oil removal from inside pores using a self-designed microfluidic test kit. An artificial micromodel chip as a representation of porous rocks...
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Formation, stabilization and chemical demulsification of crude oil-in-water emulsions: A review
December 2022
The crude oil recovery process is frequently associated with the formation of stable emulsions due to factors such as turbulent flow in pipelines and the presence of surface-active substances that naturally...
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Mechanistic simulation of fracture effects on miscible CO2 injection
December 2022
Miscible injection of carbon dioxide (CO2) into oil reservoirs as an Enhanced Oil Recovery (EOR) method has proved to be highly advantageous. According to the volume of the world's recoverable oil resides...
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Case study of hydraulic fracturing in an offshore carbonate oil reservoir
December 2022
Maximizing petroleum production while efficiently managing the operational costs is the oil and gas industry's primary goal which requires innovative engineering approaches and production-enhancing...
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Thermodynamic study of the removal of heavy metal ions from heavy oils using tetramethyl ammonium hydroxide pentahydrate ionic liquid
December 2022
This study investigated efficiency of tetramethyl ammonium hydroxide pentahydrate (TMAH) in removal of heavy metal ions from heavy oils obtained from Nigerian oil sands by Soxhlet-extraction technique....
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Insights into wettability alteration during low-salinity water flooding by capacitance-resistance model
December 2022
The capacitance-resistance model (CRM) has been widely implemented to model and optimise waterflooding and enhanced oil recovery (EOR) techniques. However, there is a gap in the application of CRM to...
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Data driven prediction of oil reservoir fluid properties
Available online 10 December 2022
Accuracy of the fluid property data plays an absolutely pivotal role in the reservoir computational processes. Reliable data can be obtained through various experimental methods, but these methods are...
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Energy efficiencies and CO2 emissions associated with low-temperature separation technologies for the processing of formation fluid from the Achimov deposits
Available online 7 December 2022
Three different technologies for the low-temperature separation (LTS) of gas condensate from the Achimov deposits in the Russian Urengoyskoe gas and condensate field were assessed using exergy analyses....
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Coupled tripartite investigation of breaker fluid invasion and impact on hydrocarbon recovery in sandstone reservoirs
Available online 14 November 2022
Breaker fluids are designed to dissolve filter cakes by breaking their long-chain molecules, thereby removing solid deposits on the wellbore wall. Although breaker fluids are not intended to infiltrate...
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Design and construction of a continuous pilot flotation facility: A case study for water-based oil sand extraction
Available online 7 November 2022
In this work, the design and construction of a continuous and pilot-scale flotation facility are demonstrated. The performance of the new facility was evaluated from series of pilot flotation tests,...
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Mineral analysis of sandstone formation using chelating agents during sandstone matrix acidizing
Available online 4 November 2022
For many years, the most common acid practice for sandstone acidizing is based on mud acid and dolomite formations using hydrochloric acid. During various stages of sandstone acidizing, different acids...
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Impact of microfacies and diagenesis on the reservoir quality of Upper Devonian carbonates in Southeast Tatarstan, Volga-Ural Basin, Russia
Available online 3 November 2022
The results of integrated sedimentology, petrography, and petrophysical study of the Upper Devonian (Middle Famennian) Dankovo-Lebedyansky carbonates from Southeast Tatarstan of the Volga-Ural Basin...
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Experimental investigation of the influence of carbonated water on sandstone and carbonate rock properties
Available online 3 November 2022
Laboratory measurements using nuclear magnetic resonance, scanning electron microscopy, and gas porosity and permeability analysis were conducted to acquire a petrophysical interpretation of the Carbon...
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Statistical distribution of geomechanical properties and ‘Sweet Spots’ identification in part of the upper Bakken
Available online 26 October 2022
Completions and Reservoir Quality are two key attributes that are used to characterize nonconventional hydrocarbon assets. This is because, for optimum exploitation of these unconventional assets, horizontal...
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An artificial neural network visible mathematical model for real-time prediction of multiphase flowing bottom-hole pressure in wellbores
Available online 26 October 2022
Accurate prediction of multiphase flowing bottom-hole pressure (FBHP) in wellbores is an important factor required for optimal tubing design and production optimization. Existing empirical correlations...
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Evaluation of sour gas-low salinity waterflooding in carbonate reservoirs - A numerical simulation approach
Available online 20 October 2022
Although significant amount of H2S (sour gas) rich natural gas is estimated globally, but not much attention has been given to the application of H2S in the oil recovery process. Recent studies on the...
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