• Ensure the working mechanism of the drilling fluid circulating system. • Ensure the Precautionary measures of drilling fluid for workers at the rig site. • To check the availability of all control measures at the rig site. • Ensure the working of the mud logger and how he examines the cuttings. • Ensure the cementing job and their control measures during the cement job. • Prepare weekly presentations regarding main jobs occurring at the rig site. • See all major equipment and their working mechanism at the rig site.