Environmental, health and safety assessment of nanoparticle application in drilling mud – review (2023)
Journal Article
Martin, C., Nourian, A., Babaie, M., & Nasr, G. (in press). Environmental, health and safety assessment of nanoparticle application in drilling mud – review. Journal of Petroleum Science and Engineering, 226, https://doi.org/10.1016/j.geoen.2023.211767

The rapid increase in the use of engineered nanoparticles in different industrial applications makes risk assessment on human health, ecosystem and the environment necessary. Health, safety and environmental (HSE) risks of a technology are an insep... Read More about Environmental, health and safety assessment of nanoparticle application in drilling mud – review.

Rheological properties of the water-based muds composed of silica nanoparticle under high pressure and high temperature (HPHT) (2022)
Journal Article
Martin, C., Babaie, M., Nourian, A., & Nasr, G. (2022). Rheological properties of the water-based muds composed of silica nanoparticle under high pressure and high temperature (HPHT). SPE Journal, 27(5), 2563-2576. https://doi.org/10.2118/209786-PA

Research currently has shown two contradicting conclusions about silica nanoparticle (SNP) application in mud fluid. While different studies have concluded that adding SNPs reduces the rheological properties, others have found that this is not the ca... Read More about Rheological properties of the water-based muds composed of silica nanoparticle under high pressure and high temperature (HPHT).

Improving the carbon capture efficiency for gas power plants through amine-based absorbents (2020)
Journal Article
Hasan, S., Abbas, A., & Nasr, G. (2021). Improving the carbon capture efficiency for gas power plants through amine-based absorbents. Sustainability, 13(1), 72. https://doi.org/10.3390/su13010072

Environmental concern for our planet has changed significantly over time due to climate change, caused by an increasing population and the subsequent demand for electricity, and thus increased power generation. Considering that natural gas is regarde... Read More about Improving the carbon capture efficiency for gas power plants through amine-based absorbents.

Measurements and analysis of Non-Methane VOC (NMVOC) emissions from major domestic aerosol sprays at “source” (2020)
Journal Article
Nourian, A., Abba, M., & Nasr, G. (2021). Measurements and analysis of Non-Methane VOC (NMVOC) emissions from major domestic aerosol sprays at “source”. Environment International, 146, 106152. https://doi.org/10.1016/j.envint.2020.106152

Non-Methane Volatile Organic Compounds (NMVOCs) from domestic aerosol sprays are emerging pollutants and have substantial negative effects on human health and the environment. This study, for the first time, carried out quantification of the NMVOC... Read More about Measurements and analysis of Non-Methane VOC (NMVOC) emissions from major domestic aerosol sprays at “source”.

Utilization of fine water sprays in explosion mitigation : cold trial (2020)
Journal Article
Johnston, S., Nasr, G., & Nourian, A. (2020). Utilization of fine water sprays in explosion mitigation : cold trial. Atomization and Sprays, 30(6), 431-450. https://doi.org/10.1615/AtomizSpr.2020034356

For the past fifty years, there has been a great deal of interest using water-based explosion suppression systems in mitigating/reducing the impact of thermal explosions and their consequential overpressures. Previous research focused on the suppress... Read More about Utilization of fine water sprays in explosion mitigation : cold trial.

Influence of permeability and injection orientation variations on dispersion coefficient during enhanced gas recovery by CO2 injection (2019)
Journal Article
Abba, M., Al-Otaibi, A., Abbas, A., Nasr, G., & Burby, M. (2019). Influence of permeability and injection orientation variations on dispersion coefficient during enhanced gas recovery by CO2 injection. Energies, 12(12), 2328. https://doi.org/10.3390/en12122328

This investigation was carried out to highlight the influence of the variation of permeability of the porous media with respect to the injection orientations during enhanced gas recovery (EGR) by CO2 injection using different core samples of differen... Read More about Influence of permeability and injection orientation variations on dispersion coefficient during enhanced gas recovery by CO2 injection.

Stabilizing biopolymers in water-based drilling fluids at high temperature using antioxidants, a formate salt, and polyglycol (2018)
Journal Article
Akpan, E., Enyi, G., Nasr, G., & Yahaya, A. (2018). Stabilizing biopolymers in water-based drilling fluids at high temperature using antioxidants, a formate salt, and polyglycol. Journal of Engineering Technology, 7(2), 469-486

Biopolymers degrade in water-based drilling fluids when exposed to high temperatures for some time, thus leading to hole-cleaning problems such as stuck pipe. To stabilise biopolymers in drilling fluids, the mechanisms by which they degrade at elevat... Read More about Stabilizing biopolymers in water-based drilling fluids at high temperature using antioxidants, a formate salt, and polyglycol.

Economic evaluation of environmentally friendly vegetable oil-based invert emulsion (2017)
Journal Article
Ihenacho, P., Burby, M., Nasr, G., & Enyi, G. (2017). Economic evaluation of environmentally friendly vegetable oil-based invert emulsion. Journal of Engineering Technology, 6(2), 776-783

Stringent environmental regulations and technical requirements of difficult formations such as shale demand the use of functional mud system to complete a well safely and economically. The economic viability of 50/50 oil-water ratio invert emulsion... Read More about Economic evaluation of environmentally friendly vegetable oil-based invert emulsion.

Wettability effects on Bandera Gray Sandstone using biosurfactants (2017)
Journal Article
Ukwungwu, S., Abbas, A., Nasr, G., Allison, H., & Goodman, S. (2017). Wettability effects on Bandera Gray Sandstone using biosurfactants. Journal of Engineering Technology, 6(2),

Despite the growing demand for sustainable technologies that enhance residual oil recovery, the environmental and cost benefits of Microbial Enhanced Oil Recovery (MEOR) have favoured an increased research that is utilising a biosurfactant for oil re... Read More about Wettability effects on Bandera Gray Sandstone using biosurfactants.

Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud (2016)
Journal Article
Ihenacho, P., Burby, M., Nasr, G., & Enyi, G. (2016). Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud. Journal of petroleum engineering & technology (Online), 6(1),

Vegetable oil such as Jatropha has been shown to be a comparable alternative to diesel and mineral oils for environmentally friendly oil based drilling mud. However compatibility of the vegetable oils with the usual chemical additives is still a majo... Read More about Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud.

Gas lift optimization to improve well performance (2016)
Journal Article
Abdalsadig, M., Nourian, A., Nasr, G., & Babaie, M. (2016). Gas lift optimization to improve well performance

Gas lift optimization is becoming more important now a day in petroleum industry. A proper lift optimization can reduce the operating cost, increase the net present value (NPV) and maximize the recovery from the asset. A widely accepted definition of... Read More about Gas lift optimization to improve well performance.

50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase (2016)
Journal Article
Ihenacho, P., Burby, M., Nasr, G., & Enyi, G. (2016). 50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase

Formulation of a low oil-water ratio drilling mud with vegetable oil continuous phase without adversely affecting the mud rheology and stability has been a major challenge. A low oil-water ratio is beneficial in producing low fluid loss which is esse... Read More about 50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase.

Experimental investigation of the impact of biosurfactants on residual-oil recovery (2016)
Journal Article
Ukwungwu, S., Abbas, A., & Nasr, G. (2016). Experimental investigation of the impact of biosurfactants on residual-oil recovery

The increasing high price of natural gas and oil with attendant increase in energy demand on world markets in recent years has stimulated interest in recovering residual oil saturation across the globe. In order to meet the energy security, effort... Read More about Experimental investigation of the impact of biosurfactants on residual-oil recovery.

The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers (2016)
Journal Article
Beinashor, R., Nourian, A., Nasr, G., & Enyi, G. (2016). The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers. Journal of petroleum engineering & technology (Online), 6(2),

Saline aquifer formations seem to be promising candidates for carbon dioxide (CO2) storage due to their wide availability as well they have large storage capacity. Once CO2 is injected into saline aquifer variety of processes will take place, among o... Read More about The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers.

Real-time gas lift valve to enhance well performance (2016)
Journal Article
Abdalsadig, M., Nourian, A., Nasr, G., & Babaie, M. (2016). Real-time gas lift valve to enhance well performance. Journal of petroleum engineering & technology (Online), 6(2), 1-10. https://doi.org/10.37591/jopet.v6i2.1898

Optimum production from a gas lift well mainly depends on proper injection gas quantity; injection pressure and depth of injection and gas lift valve performance. The quality of down hole gas lift valves plays a crucial role in achieving maximum effi... Read More about Real-time gas lift valve to enhance well performance.

Well injectivity management during geological carbon sequestration activity (2016)
Journal Article
Beinashor, R., Nourian, A., Nasr, G., & Abbas, A. (2016). Well injectivity management during geological carbon sequestration activity. Journal of petroleum engineering & technology (Online), 6(3), 32-43. https://doi.org/10.37591/jopet.v6i3.1924

It is well known that the saline aquifer formations are considered very reliable candidates for carbon sequestration because of their wide availability and they have good storage capacity. Due to high formation salinity, there a big concern about bor... Read More about Well injectivity management during geological carbon sequestration activity.

Stationary rotary force waves on the liquid–air core interface of a swirl atomizer (2015)
Journal Article
Chinn, J., Cooper, D., Yule, A., & Nasr, G. (2016). Stationary rotary force waves on the liquid–air core interface of a swirl atomizer. Heat and Mass Transfer, 52(10), 2037-2050. https://doi.org/10.1007/s00231-015-1706-0

A one-dimensional wave equation, applicable to the waves on the surface of the air-core of a swirl atomizer is derived analytically, by analogy to the similar one-dimensional wave equation derivation for shallowwater gravity waves. In addition an ana... Read More about Stationary rotary force waves on the liquid–air core interface of a swirl atomizer.

Novel metered aerosol valve (2015)
Journal Article
Nourian, A., Nasr, G., Yule, A., Hawthorne, G., & Goldberg, T. (2016). Novel metered aerosol valve. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230(10), 1557-1568. https://doi.org/10.1177/0954406215572839

The design and performance of a new valving mechanism for portable pressurized spraying devices is described, where the propellant in the device is a safe gas (so-called compressed gas) propellant rather than the current liquefied gases all of whic... Read More about Novel metered aerosol valve.

Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity (2015)
Journal Article
Amadi, F., Enyi, G., & Nasr, G. (2015). Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity. Journal of petroleum engineering & technology (Online), 5(3), 39-51

The increase in exploration and production in Shale gas reservoir, and few studies so far reported regarding the general topology of tight reservoir, it is now imperative to critically understand the complexities surrounding the geology of Shale rese... Read More about Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity.

Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique (2015)
Journal Article
Amadi, F., Enyi, G., & Nasr, G. (2015). Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique

Hydraulic fracturing is one of the most important stimulation techniques available to the petroleum engineer to extract hydrocarbons in tight gas sandstones. It allows more oil and gas production in tight reservoirs as compared to conventional means.... Read More about Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique.