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The fate of waste drilling fluids from oil and gas industry activities in the exploration and production operations. (2022)
Journal Article
NJUGUNA, J., SIDDIQUE, S., KWROFFIE, L.B., PIROMRAT, S., ADDAE-AFOAKWA, K., EKEH-ADEGBOTOLU, U., OLUYEMI, G., YATES, K., MISHRA, A.K. and MOLLER, L. 2022. The fate of waste drilling fluids from oil and gas industry activities in the exploration and production. Waste management [online], 139, pages 362-380. Available from: https://doi.org/10.1016/j.wasman.2021.12.025

Operational discharges from oil and gas exploration industry, accidental spillage, or improperly disposed drilling wastes has serious detrimental effects on human and the environment. The water- and oil-based fluids wastes are generated every year al... Read More about The fate of waste drilling fluids from oil and gas industry activities in the exploration and production operations..

The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the annuli. (2021)
Journal Article
SALUBI, V., MAHON, R. and OLUYEMI, G. 2022. The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the annuli. Journal of petroleum science and engineering [online], 211, article 110018. Available from: https://doi.org/10.1016/j.petrol.2021.110018

The accurate prediction of the fluid dynamics and hydraulics of the axial or helical flow of non-Newtonian drilling fluids in the annuli is essential for the determination and effective management of wellbore pressure during drilling operations. Prev... Read More about The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the 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..

A new approach for quantitative mapping of retention mechanisms of associative polymers in porous media. (2021)
Journal Article
AFOLABI, R.O., OLUYEMI, G.F., OFFICER, S. and UGWU, J.O. 2021. A new approach for quantitative mapping of retention mechanisms of associative polymers in porous media. Journal of molecular liquids [online], 343, article 117685. Available from: https://doi.org/10.1016/j.molliq.2021.117685

The retention of associative polymer molecules poses a significant challenge for its transport in porous media, and this arises due to the hydrophobic interactions that exists between the retained molecules. The known experimental approach in literat... Read More about A new approach for quantitative mapping of retention mechanisms of associative polymers in porous media..

Drilling geomechanical assessment using integrated reservoir workflow. (2021)
Presentation / Conference
HAMID, O., SANAEE, R. and OLUYEMI, G. [2021]. Drilling geomechanical assessment using integrated reservoir workflow. To be presented at 2021 International field exploration and development conference (IFEDC 2021): efficient development of oil and gas driven by surveillance technology, 16-18 September 2021, Qingdao, China.

Advanced geomechanical solutions for reservoir life cycle. (2021)
Presentation / Conference
HAMID, O., SANAEE, R. and OLUYEMI, G. 2021. Advanced geomechanical solutions for reservoir life cycle. To be presented at 2021 International field exploration and development conference (IFEDC 2021): efficient development of oil and gas driven by surveillance technology, 16-18 September 2021, Qingdao, China.

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..

Correction to: Swelling performance of sodium polyacrylate and poly(acrylamide‑co‑acrylic acid) potassium salt. (2021)
Journal Article
MAHON, R., BALOGUN, Y., OLUYEMI, G., and NJUGUNA, J. 2021. Correction to: Swelling performance of sodium polyacrylate and poly(acrylamide-co-acrylic acid) potassium salt. SN applied sciences [online], 3(8), article 756. Available from: https://doi.org/10.1007/s42452-021-04654-w

The original version of this Article contained an error of judgement in the inclusion of the names of the polymers and their application. The names of the polymers and their application were included, however, due to potential issues relating to conf... Read More about Correction to: Swelling performance of sodium polyacrylate and poly(acrylamide‑co‑acrylic acid) potassium salt..

Numerical simulation and geological modelling of conceptual fluvial reservoir systems. (2021)
Conference Proceeding
IBRAHIM, K.S., OLUYEMI, G.F. and NZEREM, P. 2021. Numerical simulation and geological modelling of conceptual fluvial reservoir systems. In Proceedings of 1st International conference on multidisciplinary engineering and applied science 2021 (ICMEAS 2021), 15-16 July 2021, Abujua, Nigeria. Piscataway: IEEE [online], article 9692381. Available from: https://doi.org/10.1109/ICMEAS52683.2021.9692381

The development of a fluvial reservoir oil or gas field poses complex challenges in field development strategies during appraisal and exploration stage due to some subsurface uncertainties. In this study, the channel geometries such as straight-chann... Read More about Numerical simulation and geological modelling of conceptual fluvial reservoir systems..

Effect of produced sand particles and fines on scale inhibitor: a review. (2021)
Journal Article
ANYANWU, U.C. and OLUYEMI, G.F. 2021. Effect of produced sand particles and fines on scale inhibitor: a review. Colloids and interfaces [online], 5(3), article 35. Available from: https://doi.org/10.3390/colloids5030035

Application of scale inhibitors in oil and gas production is aimed at mitigating scale blockage during production. Many experimental, mathematical, and numerical simulation modeling works have been carried out to evaluate behavior, performance, and i... Read More about Effect of produced sand particles and fines on scale inhibitor: a review..

Horizontal stress rotation due to reservoir depletion. (2021)
Presentation / Conference
HAMID, O., SANAEE, R. and OLUYEMI, G. 2021. Horizontal stress rotation due to reservoir depletion. Presented at 55th US rock mechanics/geomechanics American Rock Mechanics Association (ARMA) symposium, 18-25 June 2021, [virtual conference].

The principal stress rotations axes are observed due to fluid injection into reservoirs, hydrocarbon production, and around the fractures during wellbore stimulation operation and faults. Local stress fields around the fractures will change during re... Read More about Horizontal stress rotation due to reservoir depletion..

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..

Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition. (2020)
Journal Article
WUYEP, E., OLUYEMI, G., YATES, K. and AKISANYA, A.R. 2020. Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition. Arabian journal of geosciences [online], 13(23), article ID 1239. Available from: https://doi.org/10.1007/s12517-020-06176-y

The effects of chemical interaction of a biocide with formation rocks on the rock geomechanical properties are examined. A combination of analytical tests (Scanning Electron Microscopy/Energy-Dispersive X-Ray Analysis, X-Ray Powder Diffraction and Pa... Read More about Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition..

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..

A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. (2020)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2020. A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. Decision making: applications in management and engineering [online], 3(2), pages 97-118. Available from: https://doi.org/10.31181/dmame2003097v

Classical decision and value of information theories have been applied in the oil and gas industry from the 1960s with partial success. In this research, we identify that the classical theory of value of information has weaknesses related with optima... Read More about A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria..

Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. (2020)
Journal Article
AFOLABI, R.O., OLUYEMI, G.F., OFFICER, S. and UGWU, J.O. 2020. Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. Journal of molecular liquids [online], 317, article ID 114142. Available from: https://doi.org/10.1016/j.molliq.2020.114142

Hydrophobic interactions are an inherent property of associative polymers which results in the formation of molecular aggregates. The loss of hydrophobic interactions under reservoir conditions have been reported, and this results in increased fluid... Read More about Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes..