“…Metals present in untreated samples. Da Rosa et al, 2018;Johnston et al, 2019;Méndez-Moreno et al, 2021. Highlights the presence of Ba that coincided with results of XRD (Barite), so they are part of the mineral of the drilling mud or cut(Abdou et al, 2018;Mahmoud & Elkatatny, 2019; Yzquierdo-Ruíz et al, 2022).…”