All Outputs (11)

Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties. (2022)
Journal Article
SIDDIQUE, S., NOVAK, A., GULIYEV, E., YATES, K., LEUNG, P.S. and NJUGUNA, J. 2022. Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties. Polymers [online], 14(7), article 1455. Available from: https://doi.org/10.3390/polym14071455

Traditionally, the drilling waste generated in oil and gas exploration operations, including spent drilling fluid, is disposed of or treated by several methods, including burial pits, landfill sites and various thermal treatments. This study investig... Read More about Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties..

Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. (2022)
Journal Article
RAMAGE, S.J.F.F., PAGALING, E., HAGHI, R.K., DAWSON, L.A., YATES, K., PRABHU, R., HILLIER, S. and DEVALLA, S. 2022. Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. Science of the total environment, [online], 831, article 154912. Available from: https://doi.org/10.1016/j.scitotenv.2022.154912

Microplastics (MPs) are present in all environments, and concerns over their possible detrimental effects on flora and fauna have arisen. Density separation (DS) is commonly used to separate MPs from soils to allow MP quantification; however, it freq... Read More about Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation..

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..

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..

Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. (2020)
Journal Article
SIDDIQUE, S., YATES, K., MATTHEWS, K., CSETENYI, L.J. and NJUGUNA, J. 2020. Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. Waste management and research [online], 38(12), pages 1331-1344. Available from: https://doi.org/10.1177/0734242X20941076

Oil-based mud (OBM) waste from the oil and gas exploration industry can be valorised to tailor-made reclaimed clay-reinforced low-density polyethylene (LDPE) nanocomposites. This study aims to fill the information gap in the literature and to provide... Read More about Oil-based mud waste reclamation and utilisation in low-density polyethylene composites..

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..

Structural and thermal degradation behaviour of reclaimed clay nano-reinforced low density polyethylene nanocomposites. (2019)
Journal Article
SIDDIQUE, S., SMITH, G.D., YATES, K., MISHRA, A.K., MATTHEWS, K., CSETENYI, L.J. and NJUGUNA, J. 2019. Structural and thermal degradation behaviour of reclaimed clay nano-reinforced low-density polyethylene nanocomposites. Journal of polymer research [online], 26, article ID 154. Available from: https://doi.org/10.1007/s10965-019-1802-9

In this study, a novel reclaimed clay nanofiller used to manufacture low-density polyethylene (LDPE)/Oil based mud fillers (OBMFs) nanocomposites by a melt compounding process. The mechanical testing samples were manufactured using injection mouldin... Read More about Structural and thermal degradation behaviour of reclaimed clay nano-reinforced low density polyethylene nanocomposites..

The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites. (2018)
Journal Article
SIDDIQUE, S., KWOFFIE, L., ADDAE-AFOAKWA, K., YATES, K. and NJUGUNA, J. 2019. The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites. Polymer degradation and stability [online], 159, pages 139-152. Available from: https://doi.org/10.1016/j.polymdegradstab.2018.11.004

The crystallinity and thermal degradation behaviours of Polyamide 6/Oil Based Mud Fillers (PA6/OBMFs) nanocomposites have been investigated using DSC and TGA. TGA indicates the onset decomposition temperature of D1/2 (half-decomposition) is 16º C hig... Read More about The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites..

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..

Oil based drilling fluid waste: an overview on environmentally persistent pollutants. (2017)
Journal Article
SIDDIQUE, S., KWOFFIE, L., ADDAE-AFOAKWA, K., YATES, K. and NJUGUNA, J. 2016. Oil based drilling fluid waste: an overview on environmentally persistent pollutants. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012008. Available from: https://doi.org/10.1088/1757-899X/195/1/012008

Operational discharges of spent drilling fluid, produced water, and accumulated drill cuttings from oil and gas industry are a continuous point source of environmental pollution. To meet the strict environmental standard for waste disposal, oil and g... Read More about Oil based drilling fluid waste: an overview on environmentally persistent pollutants..

Waste to want: polymer nanocomposites using nanoclays extracted from oil based drilling mud waste. (2014)
Journal Article
ADEGBOTOLU, U.V., NJUGUNA, J., POLLARD, P. and YATES, K. 2014. Waste to want: polymer nanocomposites using nanoclays extracted from oil based drilling mud waste. IOP conference series: materials science and engineering [online], 64, Article 012023. Available from: https://doi.org/10.1088/1757-899X/64/1/012023

Due to the European Union (EU) waste frame work directive (WFD), legislations have been endorsed in EU member states such as UK for the Recycling of wastes with a vision to prevent and reduce landfilling of waste. Spent oil based drilling mud (drilli... Read More about Waste to want: polymer nanocomposites using nanoclays extracted from oil based drilling mud waste..