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Evaluation of interactions between oilfield chemicals and reservoir rocks. (2019)
Journal Article
WUYEP, E.O., OLUYEMI, G.F., YATES, K. and AKISANYA, A.R. 2020. Evaluation of interactions between oilfield chemicals and reservoir rocks. Natural resources research [online], 29(2), pages 1239-1258. Available from: https://doi.org/10.1007/s11053-019-09523-3

Sand failure and production occurs when the formation stress exceeds the strength of the formation which is derived majorly from the natural material that cements the sand grain and cohesive forces. This study investigates the effects of scale inhibi... Read More about Evaluation of interactions between oilfield chemicals and reservoir rocks..

Fuzzy logic applied to value of information assessment in oil and gas projects. (2019)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2019. Fuzzy logic applied to value of information assessment in oil and gas projects. Petroleum science [online], 16(5), pages 1208-1220. Available from: https://doi.org/10.1007/s12182-019-0348-0

The concept of value of information (VOI) has been widely used in the oil industry when making decisions on the acquisition of new data sets for the development and operation of oil fields. The classical approach to VOI assumes that the outcome of th... Read More about Fuzzy logic applied to value of information assessment in oil and gas projects..

Hydrophobically associating polymers for enhanced oil recovery, part a: a review on the effects of some key reservoir conditions. (2019)
Journal Article
AFOLABI, R.O., OLUYEMI, G.F., OFFICER, S. and UGWU, J.O. 2019. Hydrophobically associating polymers for enhanced oil recovery, part a: a review on the effects of some key reservoir conditions. Journal of petroleum science and engineering [online], 180, pages 681-698. Available from: https://doi.org/10.1016/j.petrol.2019.06.016

Research advancement in polymer flooding for Enhanced Oil Recovery (EOR) has been growing over the last decade. This growth can be tied to increased funding towards the development of superior polymers such as hydrophobically associating polymers whe... Read More about Hydrophobically associating polymers for enhanced oil recovery, part a: a review on the effects of some key reservoir conditions..

A fuzzy inference system applied to value of information assessment for oil and gas industry. (2019)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2019. A fuzzy inference system applied to value of information assessment for oil and gas industry. Decision making: applications in management and engineering [online], 2(2), pages 1-18. Available from: https:// doi.org/10.31181/dmame1902001v

Value of information is a widely accepted methodology for evaluating the need to acquire new data in the oil and gas industry. In the conventional approach to estimating the value of information, the outcomes of a project assessment relate to the dec... Read More about A fuzzy inference system applied to value of information assessment for oil and gas industry..

Ranking of geostatistical models and uncertainty quantification using signal detection principle (SDP). (2018)
Journal Article
ANI, M., OLUYEMI, G., PETROVSKI, A. and REZAEI-GOMARI, S. 2019. Ranking of geostatistical models and uncertainty quantification using signal detection principle (SDP). Journal of petroleum science and engineering [online], 174, pages 833-843. Available from: https://doi.org/10.1016/j.petrol.2018.11.024

The selection of an optimal model from a set of multiple realizations for dynamic reservoir modelling and production forecasts has been a persistent issue for reservoir modelers and decision makers. Current evidence has shown that many presumably goo... Read More about Ranking of geostatistical models and uncertainty quantification using signal detection principle (SDP)..

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..

Optimisation of hydraulic fracture placement design in anisotropic shale reservoirs using azimuthal LWD sonic and spectral gamma ray analysis. (2018)
Journal Article
OLUYEMI, G.F. and AFOLABI, T.S. 2018. Optimisation of hydraulic fracture placement design in anisotropic shale reservoirs using azimuthal LWD sonic and spectral gamma ray analysis. International journal of petroleum engineering [online], 3(2), pages 83-94. Available from: https://doi.org/10.1504/IJPE.2018.093154

Hydraulic fracturing (fracking) of shale resources has become a trend in the oil and gas industry that is associated with exorbitant costs. This calls for certainty in the productivity and success of every fracture stimulation program. Current fracki... Read More about Optimisation of hydraulic fracture placement design in anisotropic shale reservoirs using azimuthal LWD sonic and spectral gamma ray analysis..

Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks. (2018)
Journal Article
WUYEP, E.O., OLUYEMI, G.F., YATES, K. and AKISANYA, A.R. 2018. Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks. Journal of petroleum science and engineering [online], 165, pages 347-357. Available from: https://doi.org/10.1016/j.petrol.2018.02.041

Sand failure may result in the production of formation sand at the same time the formation fluids are being produced. This work examines the effects of some commonly used oilfield chemicals, specifically, biocide, corrosion inhibitor and scale inhibi... Read More about Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks..

Investigation of sand transport in an undulated pipe using computational fluid dynamics. (2017)
Journal Article
TEBOWEI, R., HOSSAIN, M., ISLAM, S.Z., DROUBI, M.G. and OLUYEMI, G. 2018. Investigation of sand transport in an undulated pipe using computational fluid dynamics. Journal of petroleum science and engineering [online], 162, pages 747-762. Available from: https://doi.org/10.1016/j.petrol.2017.11.003

A CFD model has been implemented to investigate the effects the pipe undulation on sand transport. Of particular interest of the present study is the sand deposition in small angled V-inclined bend relevant to oil and gas subsea flowlines where sand... Read More about Investigation of sand transport in an undulated pipe using computational fluid dynamics..

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..

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..

Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study. (2014)
Journal Article
OLUYEMI, G.F., KANIN, L. and NAIR, A. 2014. Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study. International journal of fluid mechanics research [online], 41(6), pages 536-546. Available from: https://doi.org/10.1615/InterJFluidMechRes.v41.i6.60

Flow partitioning in fractured reservoirs especially during injection and production operations poses a great challenge to the optimisation of these important field operations. For example, flow partitioning into the fracture from the matrix may limi... Read More about Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study..

Conceptual physicochemical models for scale inhibitor-formation rock interaction. (2013)
Journal Article
OLUYEMI, G.F. 2014. Conceptual physicochemical models for scale inhibitor-formation rock interaction. Petroleum science and technology [online], 32(3), pages 253-260. Available from: https://doi.org/10.1080/10916466.2011.580293

The current oil industry approach to geomechanical evaluation of reservoir formations invaded by chemical inhibitors does not in any way take into consideration any potential effects of these chemicals on the reservoir formation fabrics. It is more o... Read More about Conceptual physicochemical models for scale inhibitor-formation rock interaction..

Chemical inhibitor adsorption and desorption characteristics of common gravel pack sands under static and dynamic conditions. (2013)
Journal Article
OLUYEMI, G.F. 2013. Chemical inhibitor adsorption and desorption characteristics of common gravel pack sands under static and dynamic conditions. Special topics and reviews in porous media: an international journal [online], 4(2), pages 159-169. Available from: https://doi.org/10.1615/specialtopicsrevporousmedia.v4.i2.50

In fields or wells with active programmes of scale and corrosion management via chemical inhibitor injection, the performance of the injected chemical inhibitor species in terms of their adsorption and desorption characteristics is very crucial to th... Read More about Chemical inhibitor adsorption and desorption characteristics of common gravel pack sands under static and dynamic conditions..

Investigation of CO2 sequestration during cold heavy oil production. (2013)
Journal Article
TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2013. Investigation of CO2 sequestration during cold heavy oil production. Energy sources, part A: recovery, utilization and environmental effects [online], 35(12), pages 1174-1184. Available from: https://doi.org/10.1080/15567036.2010.520068

CO2 sequestration during cold heavy oil production using captured carbon dioxide was investigated using REVEAL of Petroleum Experts. The results indicated that the CO2 release was influenced by the production phases. The prediction showed high CO2 re... Read More about Investigation of CO2 sequestration during cold heavy oil production..