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An investigation of casing structural integrity in shale gas horizontal wells during hydraulic fracturing using FEA and machine learning algorithms. (2021)
Thesis
MOHAMMED, A.I. 2021. An investigation of casing structural integrity in shale gas horizontal wells during hydraulic fracturing using FEA and machine learning algorithms. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1603216

Unconventional oil and gas operators are currently facing the challenge of casing lateral buckling and/or deformation during shale gas wells stimulation through hydraulic fracturing. Failure of the casing during this process can lead to huge financia... Read More about An investigation of casing structural integrity in shale gas horizontal wells during hydraulic fracturing using FEA and machine learning algorithms..

An application of FEA and machine learning for the prediction and optimisation of casing buckling and deformation responses in shale gas wells in an in-situ operation. (2021)
Journal Article
MOHAMMED, A.I., BARTLETT, M., OYENEYIN, B., KAYVANTASH, K. and NJUGUNA, J. 2021. An application of FEA and machine learning for the prediction and optimisation of casing buckling and deformation responses in shale gas wells in an in-situ operation. Journal of natural gas science and engineering [online], 95, article 104221. Available from: https://doi.org/10.1016/j.jngse.2021.104221

This paper proposes a novel way to study the casing structural integrity using two approaches of finite element analysis (FEA) and machine learning. The approach in this study is unique, as it captures the pertinent parameters influencing the casing... Read More about An application of FEA and machine learning for the prediction and optimisation of casing buckling and deformation responses in shale gas wells in an in-situ operation..

Effect of two-phase gas-liquid flow patterns on cuttings transport efficiency. (2021)
Journal Article
SALUBI, V., MAHON, R., OLUYEMI, G. and OYENEYIN, B. 2022. Effect of two-phase gas-liquid flow patterns on cuttings transport efficiency. Journal of petroleum science and engineering [online], 208(part A), article 109281. Available from: https://doi.org/10.1016/j.petrol.2021.109281

Effective cuttings transport and accurate drilling hydraulics prediction remain issues of concern during drilling operations of horizontal, extended reach and multilateral wells. While several studies have adopted a two- or three-layered modelling ap... Read More about Effect of two-phase gas-liquid flow patterns on cuttings transport efficiency..

Experimental investigation of the displacement flow mechanism and oil recovery in primary polymer flood operations. (2021)
Journal Article
MAHON, R., OLUYEMI, G., OYENEYIN, B. and BALOGUN, Y. 2021. Experimental investigation of the displacement flow mechanism and oil recovery in primary polymer flood operations. SN applied sciences [online], 3(5), article 557. Available from: https://doi.org/10.1007/s42452-021-04360-7

Polymer flooding is a mature chemical enhanced oil recovery method employed in oilfields at pilot testing and field scales. Although results from these applications empirically demonstrate the higher displacement efficiency of polymer flooding over w... Read More about Experimental investigation of the displacement flow mechanism and oil recovery in primary polymer flood operations..

Experimental investigation of the effect of temperature on two-phase oil-water relative permeability. [Dataset] (2021)
Dataset
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].

Experimental investigation of the effect of temperature on two-phase oil-water relative permeability. (2021)
Journal Article
BALOGUN, Y., IYI, D., FAISAL, N., OYENEYIN, B., OLUYEMI, G. and MAHON, R. 2021. Experimental investigation of the effect of temperature on two-phase oil-water relative permeability. Journal of petroleum science and engineering [online], 203, article ID 108645. Available from: https://doi.org/10.1016/j.petrol.2021.108645

Relative permeability is affected by several flow parameters, mainly the operating temperature and fluid viscosity. Fluid viscosities change with temperature, which correspondingly affects the relative permeability. Temperature is believed to have a... Read More about Experimental investigation of the effect of temperature on two-phase oil-water relative permeability..

Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. (2021)
Thesis
BALOGUN, Y. 2021. Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1357866

Relative permeability is affected by several flow parameters, predominantly operating temperature and fluid viscosity. Fluid viscosity changes with temperature, which correspondingly affects the relative permeability. Temperature is believed to have... Read More about Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system..

Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level. (2021)
Journal Article
IYI, D., BALOGUN, Y., OYENEYIN, B. and FAISAL, N. 2021. Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level. Journal of petroleum science and engineering [online], 201, article ID 108453. Available from: https://doi.org/10.1016/j.petrol.2021.108453

A numerical investigation into the effect of wettability and temperature on oil recovery with a hot water injection at different temperatures is reported in this paper. The computational domain is a two-dimensional porous medium (reservoir) maintaine... Read More about Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level..

Harnessing the regulatory framework for compliance with environmental regulations in the hydrocarbon sector in Nigeria. (2020)
Thesis
BASSEY, D.E. 2020. Harnessing the regulatory framework for compliance with environmental regulations in the hydrocarbon sector in Nigeria. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://openair.rgu.ac.uk

Over the past five decades, Nigeria has witnessed immense ecological disaster arising from unsustainable environmental exploitation of its natural resource. Evidence can be seen from the oil and gas sector. Oil and gas activities in the Niger Delta r... Read More about Harnessing the regulatory framework for compliance with environmental regulations in the hydrocarbon sector in Nigeria..

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..

Prediction of casing critical buckling during shale gas hydraulic fracturing. (2019)
Journal Article
MOHAMMED, A.I., OYENEYIN, B., BARTLETT, M. and NJUGUNA, J. 2020. Prediction of casing critical buckling during shale gas hydraulic fracturing. Journal of petroleum science and engineering [online], 185, article ID 106655. Available from: https://doi.org/10.1016/j.petrol.2019.106655

Casing deformation during volume fracturing in shale gas horizontal wells is caused by both existing and induced stresses. These stresses jointly alter and compound the stress field around the casing leading to inefficient well stimulation as planned... Read More about Prediction of casing critical buckling during shale gas hydraulic fracturing..

Casing structural integrity and failure modes in a range of well types: a review. (2019)
Journal Article
MOHAMMED, A.I., OYENEYIN, B., ATCHISON, B. and NJUGUNA, J. 2019. Casing structural integrity and failure modes in a range of well types: a review. Journal of natural gas science and engineering [online], 68, article ID 102898. Available from: https://doi.org/10.1016/j.jngse.2019.05.011

This paper focus on factors attributing to casing failure, their failure mechanism and the resulting failure mode. The casing is a critical component in a well and the main mechanical structural barrier element that provide conduits and avenue for oi... Read More about Casing structural integrity and failure modes in a range of well types: a review..

Real-time relative permeability prediction using deep learning. (2018)
Journal Article
ARIGBE, O.D., OYENEYIN, M.B., ARANA, I. and GHAZI, M.D. 2019. Real-time relative permeability prediction using deep learning. Journal of petroleum exploration and production technologies [online], 9(2), pages 1271-1284. Available from: https://doi.org/10.1007/s13202-018-0578-5

A review of the existing two and three phase relative permeability correlations shows a lot of pitfalls and restrictions imposed by (a) their assumptions (b) generalization ability and (c) difficulty with updating in real time for different reservoir... Read More about Real-time relative permeability prediction using deep learning..

Gas-condensate flow modelling for shale reservoirs. (2018)
Journal Article
LABED, I., OYENEYIN, B. and OLUYEMI, G. 2018. Gas-condensate flow modelling for shale reservoirs. Journal of natural gas science and engineering [online], 59, pages 156-167. Available from: https://doi.org/10.1016/j.jngse.2018.08.015

Condensate banking is the most challenging engineering problem in the development of gas-condensate reservoirs where the condensate accumulation can dramatically reduce the gas permeability resulting in impairment of wells productivity. An accurate a... Read More about Gas-condensate flow modelling for shale reservoirs..

Accurate AVO modelling and reservoir characterisation of the upper cretaceous deepwater reservoirs in the Vøring Basin. (2017)
Thesis
CHALMERS, B. 2017. Accurate AVO modelling and reservoir characterisation of the upper cretaceous deepwater reservoirs in the Vøring Basin. Robert Gordon University, MPhil thesis.

In an exploration setting, reservoir characterisation is concerned with the identification of fluids and lithology. Seismic interpreters seek to distinguish hydrocarbons from brine and sand from shale. Amplitude vs offset (AVO) is a fundamental techn... Read More about Accurate AVO modelling and reservoir characterisation of the upper cretaceous deepwater reservoirs in the Vøring Basin..

Gas-condensate flow modelling for shale gas reservoirs. (2016)
Thesis
LABED, I. 2016. Gas-condensate flow modelling for shale gas reservoirs. Robert Gordon University, PhD thesis.

In the last decade, shale reservoirs emerged as one of the fast growing hydrocarbon resources in the world unlocking vast reserves and reshaping the landscape of the oil and gas global market. Gas-condensate reservoirs represent an important part of... Read More about Gas-condensate flow modelling for shale gas reservoirs..

Experimental investigation of sand minimum transport velocity in multiphase fluid flow in pipes. (2016)
Journal Article
BELLO, K. and OYENEYIN, B. 2016. Experimental investigation of sand minimum transport velocity in multiphase fluid flow in pipes. Nigerian journal of technology (NIJOTECH) [online], 35(3), pages 531-536. Available from: https://doi.org/10.4314/njt.v35i3.9

The production of reservoir fluid through long tiebacks/pipelines has emerged as one of the cost effective alternative especially for many marginal fields which can now be produced as clusters into a common processing facility. However, sand is often... Read More about Experimental investigation of sand minimum transport velocity in multiphase fluid flow in pipes..

Rate-dependent polymer adsorption in porous media. (2016)
Journal Article
IDAHOSA, P.E.G., OLUYEMI, G.F., OYENEYIN, M.B. and PRABHU, R. 2016. Rate-dependent polymer adsorption in porous media. Journal of petroleum science and engineering [online], 143, pages 65-71. Available from: https://doi.org/10.1016/j.petrol.2016.02.020

Laboratory core flood experiments were conducted at different flow rates with partially hydrolysed polyacrylamide (HPAM) oilfield Enhanced Oil Recovery (EOR) polymer and silica sand to investigate the polymer retention in porous media due to flow rat... Read More about Rate-dependent polymer adsorption in porous media..

Development of formation damage models for oilfield polymers. (2015)
Thesis
IDAHOSA, P.E.G. 2015. Development of formation damage models for oilfield polymers. Robert Gordon University, PhD thesis.

Polymers are among the most important of various oilfield chemicals and are used for a variety of applications in the oil and gas industry (OGI), including: water and gas shutoff; drilling mud viscosity modification; filtration loss control (FLC); sw... Read More about Development of formation damage models for oilfield polymers..

The prospect of deepwater heavy oil production using CO2-EOR. (2015)
Journal Article
TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2015. The prospect of deepwater heavy oil production using CO2-EOR. Energy sources, part A: recovery, utilization and environmental effects [online], 37(3), pages 318-325. Available from: https://doi.org/10.1080/15567036.2011.585373

The prospect of unconventional oil development has long been coming to offset the rapid decline of conventional crude. And looking ahead, the worry is already turning away from the onshore exploitation to the challenging offshore environment, with th... Read More about The prospect of deepwater heavy oil production using CO2-EOR..