# Tasks & work activities — mud logger Source: O*NET 30.3, occupation 47-5081.00 (Helpers--Extraction Workers). ## Task statements - **[Core]** Repair and maintain automotive and drilling equipment, using hand tools. - **[Core]** Observe and monitor equipment operation during the extraction process to detect any problems. - **[Core]** Drive moving equipment to transport materials and parts to excavation sites. - **[Core]** Clean up work areas and remove debris after extraction activities are complete. - **[Core]** Organize materials to prepare for use. - **[Core]** Unload materials, devices, and machine parts, using hand tools. - **[Core]** Load materials into well holes or into equipment, using hand tools. - **[Core]** Clean and prepare sites for excavation or boring. - **[Core]** Set up and adjust equipment used to excavate geological materials. - **[Supplemental]** Provide assistance to extraction craft workers, such as earth drillers and derrick operators. - **[Supplemental]** Dismantle extracting and boring equipment used for excavation, using hand tools. - **[Supplemental]** Signal workers to start geological material extraction or boring. - **[Supplemental]** Collect and examine geological matter, using hand tools and testing devices. - **[Supplemental]** Dig trenches. ## Detailed work activities - Assist skilled construction or extraction personnel. - Clean work sites. - Collect geological samples. - Dig holes or trenches. - Dismantle equipment or temporary structures. - Drive trucks or truck-mounted equipment. - Load materials into construction equipment. - Load or unload materials used in construction or extraction. - Maintain drilling equipment. - Monitor extraction operations. - Operate mining equipment. - Prepare excavation or extraction sites for commissioning or decommissioning. - Select construction materials. - Signal equipment operators to indicate proper equipment positioning.