Assessment of natural radioactivity levels and associated radiological hazard in scale and sludge from Jubilee oilfield of Ghana
by David O. Kpeglo; Juan Mantero; Emmanuel O. Darko; Augustine Faanu; Edith A. Amoatey; Guillermo Manjón; Ignacio Vioque; Rafael García-Tenorio
International Journal of Low Radiation (IJLR), Vol. 11, No. 2, 2019

Abstract: Knowledge of accurate radio-isotopic signatures and chemical constituents is essential in assessing potential radiological hazards to the public and workers from exposure to NORM waste. For that reason, scale and sludge samples from Ghanaian oilfields were assessed using alpha spectrometry, gamma spectrometry, radon monitoring and scanning electron microscope techniques. Activity concentration of ²³⁸U, ²³²Th-series and ⁴⁰K radionuclides for NORM residues have been evaluated. Fourteen trace elements were also identified and semi-qualitatively quantified. The obtained results clearly reflect that scale and sludge may present radiological risk for workers, public and environment.

Online publication date: Mon, 04-Nov-2019

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