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Flow characteristics through gas alternating gas injection during enhanced gas recovery (2019)
Presentation / Conference
Mohammed, N., Abbas, A., Enyi, G., & Nasr, G. (2019, October). Flow characteristics through gas alternating gas injection during enhanced gas recovery. Presented at SPE Gas & Oil Technology Showcase and Conference, Dubai, UAE

Gas and liquid flooding using carbon dioxide (CO2), nitrogen (N2), or brine solution have become one of the promising enhanced gas (EGR) and oil recovery (EOR) technologies for residual hydrocarbons (HCs) enhancement in conventional oil and gas reser... Read More about Flow characteristics through gas alternating gas injection during enhanced gas recovery.

Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration (2018)
Presentation / Conference
Abba, M., Abbas, A., Saidu, B., Nasr, G., & Al-Otaibi, A. (2018, November). Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration. Poster presented at Fifth CO2 Geological Storage Workshop, Utrecht, The Netherlands

A core flooding experiment was carried out to simulate an Enhanced Gas Recovery (EGR) process to inject supercritical Carbon Dioxide (SCO2) into a core sample saturated with methane (CH4). This was done to investigate the flow behaviour of the inject... Read More about Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration.

Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient (2018)
Presentation / Conference
Abba, M., Abbas, A., Nasr, G., & Al-Otaibi, A. (2018, November). Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient. Presented at The Abu Dhabi International Petroleum Exhibition & Conference (ADIPEC), Abu Dhabi

Enhanced gas recovery (EGR) by CO2 injection and sequestration is receiving increased attention within the research community. This is as a result of its potential to be an avenue for the simultaneous additional recovery of natural gas from the reser... Read More about Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient.

Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency (2017)
Presentation / Conference
Abba, M., Abbas, A., & Nasr, G. (2017, November). Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency. Poster presented at Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE

As natural gas continues to gain widespread usage as a source of cleaner and efficient fossil fuel, while greenhouse gas emission is attracting environmental consequences, the need for a viable method to enhance gas recovery and curtail greenhouse ga... Read More about Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency.

The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water (2017)
Presentation / Conference
Yahaya, A., Enyi, G., Abbas, A., & Nasr, G. (2017, June). The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water. Presented at 6th International Conference on Petroleum Engineering, Spain

Surface tension is very important property in petroleum and gas operations. It provide an insight into the understanding most of multiphase fluids behaviour. In this experimental study, the surface tension of methane and carbon dioxide bubbles in a c... Read More about The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water.

Impact pressure distribution in flat fan nozzles for descaling oil wells (2015)
Presentation / Conference
Abbas, A., Nasr, G., Nourian, A., & Enyi, G. (2015, August). Impact pressure distribution in flat fan nozzles for descaling oil wells. Presented at 13th Triennial International Conference on Liquid Atomization and Spray Systems, Tainan, Taiwan

The suitability of High pressure nozzles in terms of impact upon targeted surfaces has indicated its effectiveness for the cleaning of oil production tubing scale, which has recently attract wider industrial applications considering its efficiency,... Read More about Impact pressure distribution in flat fan nozzles for descaling oil wells.

Entrained air around a high pressure flat jet water spray (2013)
Presentation / Conference
Abbas, A., Nasr, G., Burby, M., & Nourian, A. (2013, May). Entrained air around a high pressure flat jet water spray. Presented at ILASS Americas 2013 - 25th annual conference on liquid atomization and spray systems, Pittsburgh, PA, United States of America

An investigation was conducted to analyse the pattern of entrained air around a high pressure flat spray water jet with emphasis on the determining inter-depency on droplet velocities, droplet size, and the air velocities around a flat jet atomiser.... Read More about Entrained air around a high pressure flat jet water spray.

Experimental study on gas reservoir pore pressure changes during natural gas recovery and CO2 storage in porous medium
Presentation / Conference
Mohammed, N., Abbas, A., & Enyi, G. Experimental study on gas reservoir pore pressure changes during natural gas recovery and CO2 storage in porous medium. Presented at SPE Nigeria Annual International Conference and Exhibition, Lagos, Nigeria

Much research has been conducted to determine the impact of gas injection settings on residual natural gas recovery and CO2 sequestration. However, little research has been conducted on how reservoir pore pressure varies during natural gas displaceme... Read More about Experimental study on gas reservoir pore pressure changes during natural gas recovery and CO2 storage in porous medium.

Laboratory-scale investigation of the utilisation of multiple flat-fan nozzles in descaling petroleum production tubing
Presentation / Conference
Hassan, K., John, I., Abbas, A., Suleiman, S., Ahmadu, A., & Kabir, A. Laboratory-scale investigation of the utilisation of multiple flat-fan nozzles in descaling petroleum production tubing. Presented at SPE Nigeria Annual International Conference and Exhibition 2021, Lagos, Nigeria

Despite the recent wide embrace of mechanical descaling approaches for cleaning scales in petroleum production tubings and similar conduits with the use of high-pressure (HP) water jets, the process is still associated with downhole backpressure and... Read More about Laboratory-scale investigation of the utilisation of multiple flat-fan nozzles in descaling petroleum production tubing.

Effect of temperature and salt concentration on rheological behaviour of surfactin
Presentation / Conference
Suleiman, S., Abbas, A., Babaie, M., Akpan, E., Yahaya, A., & Hassan, K. Effect of temperature and salt concentration on rheological behaviour of surfactin. Presented at SPE NAICE Conference Lagos 2019, Lagos, Nigeria

Behaviouralchanges of surfactants due to temperature fluctuations, and its interaction with saline environment, is very common during oil and gas operations. Exhibition of transient or permanent flow behaviour is one form of these change... Read More about Effect of temperature and salt concentration on rheological behaviour of surfactin.

Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks
Presentation / Conference
Afebu, K., Abbas, A., Nasr, G., & Kadir, A. Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks. Presented at Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE

Gas pipeline leakages do not only represent loss of valuable non-renewable resources but also a potential source of environmental pollution and fire disaster, thus making it very important to have a quick and accurate leak awareness scheme in pipelin... Read More about Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks.