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All Outputs (16)

Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach. (2022)
Thesis
IHEUKWUMERE, O.E. 2022. Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1712811

This research aimed to understand how the significant factors that lead to performance challenges across Nigeria's state-owned refineries operationalise to drive their sub-optimal performance. As such, unlike previous studies, this thesis proposed to... Read More about Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach..

Design and analysis of non-threaded drill pipe connector. (2022)
Thesis
THAKUR, J.O. 2022. Design and analysis of non-threaded drill pipe connector. Robert Gordon University, MRes thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2271554

This thesis determines the feasibility and application opportunities of a Snap-Latch Ring design based on the Pin and Box non-threaded connectors design. Modern drill pipes are connected by rotary threaded shouldered connections that have been prone... Read More about Design and analysis of non-threaded drill pipe connector..

Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles. (2021)
Thesis
ALAITA, D.A. 2021. Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1603672

Multi-phase flow is the type of flow common in the oil and gas industry, as oil reservoirs contain mixtures of oil, gas and water with sand particles from sandstone reservoirs. Accurate design of oil and gas production equipment greatly depends on de... Read More about Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles..

Experimental investigation of the effect of temperature on two-phase oil-water relative permeability. [Dataset] (2021)
Data
BALOGUN, Y., IYI, D., OYENEYIN, B., FAISAL, N., OLUYEMI, G. and MAHON, R. 2021. Experimental investigation of the effect of injection temperature on two-phase oil-water relative permeability. [Dataset]. Journal of petroleum science and engineering [online], 203, article 108645. Available from: https://www.sciencedirect.com/science/article/pii/S0920410521003053#appsec1

This work investigates the effect of temperature on oil-water relative permeability using well-sorted unconsolidated silica sandpacks, by adopting the unsteady-state relative permeability method, and by applying numerical history matching technique.... Read More about Experimental investigation of the effect of temperature on two-phase oil-water relative permeability. [Dataset].

Laser induced fractures in porous media. (2020)
Thesis
MOSTAFA, A. 2020. Laser induced fractures in porous media. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2271539

Hydraulic fracturing is the most effective technique to enhance well productivity in the oil and gas industry. There are many logistical, operational and environmental concerns associated with existing techniques, including the potential risk of unde... Read More about Laser induced fractures in porous media..

Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. (2020)
Thesis
STAROST, K.J. 2020. Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Polymer nanocomposites are becoming established widely across the industry due to (among other reasons) their lightweight performance advantages, and ability to meticulously target material properties with great control and precision. Despite the ben... Read More about Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process..

Electrochemical determination of gallic acid in food matrices using novel materials. (2020)
Thesis
CHIKERE, C.O. 2020. Electrochemical determination of gallic acid in food matrices using novel materials. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Gallic acid (GA), as an endogenous polyphenol, has shown many different important properties that have influenced its use in the food and pharmaceutical industry. These properties include its antioxidant, anti-cancer, anti-tumor, anti-HIV and anti-ul... Read More about Electrochemical determination of gallic acid in food matrices using novel materials..

Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta. (2019)
Thesis
ZORASI, C.B. 2019. Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta. Robert Gordon University [online], MRes thesis. Available from: https://openair.rgu.ac.uk

The aim of this study is to evaluate marginal field petrophysical and geomechanical parameters, and to develop a model for analysis of geomechanical problems, in order to mitigate stress-related issues in drilling, development and reservoir managemen... Read More about Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta..

Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset] (2019)
Data
FAISAL, N., LEE, T.L., KELLEHER, J., SANAEE, R. and PANCHOLI, K. 2019. Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.RB1920741-1

The exploitation of unconventional remote geological resources, such as those in Arctic formations, requires engineering designs that withstand the temperatures and pressures encountered. In a previous experiment (RB1810235, April 2018) comparing san... Read More about Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset].

Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset] (2018)
Data
HUSSAIN, T., TEJERO MARTIN, D., LEE, T.L., DERELIZADE, K., KELLEHER, J., OWOSENI, T., FAISAL, N. and PULSFORD, J. 2018. Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.98023160

Liquid feedstock containing sub-micron to nano-sized particles is used in suspension thermal spray to produce nanostructured ceramic coatings with improved density, strength and durability over conventional powder based thermal sprayed coatings. It h... Read More about Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset].

Neutron scattering of porous rocks subjected to uniaxial compression in cryogenic conditions for offshore drilling operations in Arctic. [Dataset] (2018)
Data
FAISAL, N., SANAEE, R., LEE, T.L., MCLAUGHLIN, A. and SINGH, R.M. 2018. Neutron scattering of porous rocks subjected to uniaxial compression in cryogenic conditions for offshore drilling operations in Arctic. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.92924528

In August 2015, the oil and gas company (Royal Dutch Shell plc) were granted the final permit it needs to begin drilling below the ocean floor for oil in the Arctic. They have been allowed to drill just the top sections of two wells, off the coast of... Read More about Neutron scattering of porous rocks subjected to uniaxial compression in cryogenic conditions for offshore drilling operations in Arctic. [Dataset].

Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part two. [Dataset] (2018)
Data
HUSSAIN, T., MURRAY, J., LEE, T.L., OWOSENI, T., BAI, M., FAISAL, N., MARTIN, D.T., DERELIZADE, K. and KELLEHER, J. 2018. Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part two. [Dataset]. Hosted on STFC ISIS neutron and muon source [online]. Available from: https://doi.org/10.5286/ISIS.E.90880498

Suspension and solution precursor (SSP) spraying is an emerging thermal spraying technology which utilises liquid feedstock containing sub-micrometre and nanoparticles. Alumina (Al2O3) is a widely used engineering ceramic and it has excellent dielect... Read More about Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part two. [Dataset].

Neutron scattering study of stress-strain behaviour of porous geological materials. [Dataset] (2017)
Data
FAISAL, N., KABRA, S., SANAEE, R. and SINGH, R.M. 2017. Neutron scattering study of stress-strain behaviour of porous geological materials. [Dataset]. Hosted on STFC ISIS neutron and muon source [online]. Available from: https://doi.org/10.5286/ISIS.E.87813334

Quantifying the relationship between stress-strain and fracture is important to the perfection of fracture capability if it is to be used as a tool for guiding failure operations in geological materials drilling. The development of fracture predictio... Read More about Neutron scattering study of stress-strain behaviour of porous geological materials. [Dataset].

Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset] (2017)
Data
HUSSAIN, T., LEE, T.L., MARTIN, D.T., DERELIZADE, K., FAISAL, N., OWOSENI, T., KELLEHER, J., MURRAY, J. and BAI, M. 2017. Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset]. Hosted on STFC ISIS neutron and muon source [online]. Available from: https://doi.org/10.5286/ISIS.E.86391325

Suspension and solution precursor (SSP) spraying is an emerging thermal spraying technology which utilises liquid feedstock containing sub-micrometre and nanoparticles. Alumina (Al2O3) is a widely used engineering ceramic and it has excellent dielect... Read More about Residual strain measurement in suspension based thermal sprayed nanostructured alumina coatings: part one. [Dataset].

Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset] (2015)
Data
FAISAL, N., PRATHURU, A., AHMED, R. and ZHANG, S.Y. 2015. Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.58451518

Manufacturing of Solid Oxide Fuel Cells (SOFC) using thermal spray technology is one of the most economical and technologically advanced approaches for energy applications. High cooling rates during thermal spray deposition process however impart res... Read More about Neutron diffraction residual strain measurements of plasma sprayed solid oxide fuel cells. [Dataset].

Monitoring corrosion under insulation utilising electrochemical testing.
Presentation / Conference Contribution
NEWLANDS, B., HORGAN, M. and MINSHULL, H. 2023. Monitoring corrosion under insulation utilising electrochemical testing. Presented at the 4th International conference on health monitoring of civil and maritime structures (HeaMES 2023), 12-13 June 2023, [virtual event].

This paper proposes a novel sensor-based instrumented monitoring system for the specific detection of corrosion at the CUI interface. Electrochemical Testing (ET), Electrochemical Impedance Spectroscopy (EIS), Scanning Electron Microscopy (SEM) and E... Read More about Monitoring corrosion under insulation utilising electrochemical testing..