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All Outputs (11)

Real-time monitoring of cement sheath integrity under high-angle HPHT wellbore conditions. (2023)
Thesis
WILCOX, L.B. 2023. Real-time monitoring of cement sheath integrity under high-angle HPHT wellbore conditions. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2071847

The lengthy time span over which the cemented well needs to retain its integrity is a massive challenge today. The cement plugs in abandoned wells, in conjunction with the annular cement sheath, need to prevent leakages well beyond the life of the we... Read More about Real-time monitoring of cement sheath integrity under high-angle HPHT wellbore conditions..

Magnetic field directed self-assembly of gold Pickering emulsion for preparing patterned film. (2022)
Thesis
OKPOZO, O.P. 2022. Magnetic field directed self-assembly of gold Pickering emulsion for preparing patterned film. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1987909

Patterning plays a vital in role in sensor-based devices like surface-enhanced Raman spectroscopy (SERS), surface-enhanced infrared absorption (SEIRA), radio frequency (RF) antennas and many others. The linear array spacing and width of gold strips h... Read More about Magnetic field directed self-assembly of gold Pickering emulsion for preparing patterned film..

Development of an optimised integrated underbalanced drilling strategy for cuttings transport in gas-liquid flow through wellbore annuli. (2022)
Thesis
MAHON, R. 2022. Development of an optimised integrated underbalanced drilling strategy for cuttings transport in gas-liquid flow through wellbore annuli. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1880278

Although understanding the relationship between gas-liquid two-phase fluid flows and the effects of the major drilling variables is critical to optimising underbalanced drilling (UBD) operations, to date, this has been an area of limited research and... Read More about Development of an optimised integrated underbalanced drilling strategy for cuttings transport in gas-liquid flow through wellbore annuli..

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..

Computational fluid dynamics modelling of fluid flow inside fractured reservoirs. (2021)
Thesis
AL-MASHHADANIE, H.A.J. 2021. Computational fluid dynamics modelling of fluid flow inside fractured reservoirs. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1603660

Fractured media exist in most layers of the earth's crust, often dominating bulk properties of subsurface geological formations. Therefore, fractured media are involved in many key engineering sectors that impact humans living on Earth. Fractured for... Read More about Computational fluid dynamics modelling of fluid flow inside fractured reservoirs..

Numerical simulation of fluid flow, proppant transport and fracture propagation in hydraulic fractures for unconventional reservoirs. (2020)
Thesis
SURI, Y. 2020. Numerical simulation of fluid flow, proppant transport and fracture propagation in hydraulic fractures for unconventional reservoirs. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://openair.rgu.ac.uk

The distribution of proppant injected in hydraulic fractures significantly affects fracture-conductivity and well-performance. The proppant transport and suspension in thin fracturing fluid used in unconventional reservoirs are considerably differe... Read More about Numerical simulation of fluid flow, proppant transport and fracture propagation in hydraulic fractures for unconventional reservoirs..

Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry. (2020)
Thesis
ADEWOYE, A.J. 2020. Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1357822

Hydrocyclone is used to separate particles from produced water. It can be used in different industries, including oil and gas, water treatment and pharmaceutical (among others). The hydrocyclone can effectively separate particles larger than 10μm, bu... Read More about Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry..

CFD modelling of flow-induced vibration under multiphase flow regimes. (2020)
Thesis
ASIEGBU, N.M. 2020. CFD modelling of flow-induced vibration under multiphase flow regimes. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Internal multiphase flow-induced vibration (MFIV) in pipe bends poses serious problems in oil and gas, nuclear and chemical flow systems. The problems include: high amplitude displacement of the pipe structure due to resonance; fatigue failure due to... Read More about CFD modelling of flow-induced vibration under multiphase flow regimes..

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..

Computational fluid dynamics (CFD) modelling of critical velocity for sand transport flow regimes in multiphase pipe bends. (2016)
Thesis
TEBOWEI, R. 2016. Computational fluid dynamics (CFD) modelling of critical velocity for sand transport flow regimes in multiphase pipe bends. Robert Gordon University, PhD thesis.

The production and transportation of hydrocarbon fluids in multiphase pipelines could be severely hindered by particulate solids deposit - such as the sand particles that can accompany hydrocarbon production. Knowledge of the flow characteristics of... Read More about Computational fluid dynamics (CFD) modelling of critical velocity for sand transport flow regimes in multiphase pipe bends..

Computational fluid dynamics modelling of PEM fuel cells to investigate transport limitations. (2012)
Thesis
ISLAM, S.Z. 2012. Computational fluid dynamics modelling of PEM fuel cells to investigate transport limitations. Robert Gordon University, PhD thesis.

Modern technological advancements in our lifestyle have caused a significant increase in the consumption of energy. With this growing demand, people are more concerned about the rational use of existing limited energy and searching for alternative fo... Read More about Computational fluid dynamics modelling of PEM fuel cells to investigate transport limitations..