Skip to main content

Research Repository

Advanced Search

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..

Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe. (2020)
Thesis
MORADI, B. 2020. Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://openair.rgu.ac.uk

Presence of sand and solid particles in untreated petroleum sometime is inevitable. Although many techniques have been developed to prevent sand particles from entering the pipeline, such as downhole gravel packs, these downhole sand control devices... Read More about Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe..

Lightweight, affordable, low power solar groundwater piston pump for rural remote regions. (2020)
Thesis
AZEEM UDDIN, A.I. 2020. Lightweight, affordable, low power solar groundwater piston pump for rural remote regions. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1254576

Solar photovoltaic powered groundwater pumping systems (SPWPS) are popular way of fetching water from boreholes in semi-arid areas in rural remote regions of most developing countries, where commercial water and electricity supply is out of reach. As... Read More about Lightweight, affordable, low power solar groundwater piston pump for rural remote regions..

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..

State switching in multi-stable systems: control and optimisation. (2020)
Thesis
LIU, B. 2020. State switching in multi-stable systems: control and optimisation. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

This thesis studies state-switching in multistable systems, so that they can switch from inefficient operating states to a more efficient one, in order to achieve performance enhancement in real-life engineering systems. Multistable systems have more... Read More about State switching in multi-stable systems: control and optimisation..

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..

Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs. (2020)
Thesis
ARIGBE, O.D. 2020. Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Developing a complete characterization of reservoir properties involved in subsurface multiphase flow is a very challenging task. In most cases, these properties - such as porosity, water saturation, permeability (and their variants), pressure, wetta... Read More about Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs..

Processing, structure and thermo-mechanical properties of reclaimed nanoclay, and its application in polyamide 6 and low-density polyethylene nanocomposites. (2020)
Thesis
SIDDIQUE, S.A. 2020. Processing, structure and thermo-mechanical properties of reclaimed nanoclay, and its application in polyamide 6 and low-density polyethylene nanocomposites. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Oil-based mud (OBM) wastes are generated every year all over the world, and remain a serious challenge for the oil and gas industry. The potential solution for this global problem is either to destroy these hazardous chemicals completely - a signific... Read More about Processing, structure and thermo-mechanical properties of reclaimed nanoclay, and its application in polyamide 6 and low-density polyethylene nanocomposites..

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..

CFD modelling of pipe erosion under multiphase flow regimes. (2020)
Thesis
OGUNSESAN, O.A. 2020. CFD modelling of pipe erosion under multiphase flow regimes. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Pipe erosion due to sand transport can have an adverse effect on the production efficiency of pipe-lines and other related flow systems. Proper knowledge of the flow characteristics, particle behaviour and geometric effects is very important in the a... Read More about CFD modelling of pipe erosion under multiphase flow regimes..

Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters. (2020)
Thesis
HEBALA, O.M. 2020. Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Multi active bridge (MAB) DC-DC converters have attracted significant research attention in power conversion applications within DC microgrids, medium voltage DC and high voltage DC transmission systems. This is encouraged by MAB's several functional... Read More about Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters..