Derrick Operators, Oil and Gas

• Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.
• Inspect derricks, or order their inspection, prior to being raised or lowered.
• Control the viscosity and weight of the drilling fluid.
• Set and bolt crown blocks to posts at tops of derricks.
• Repair pumps, mud tanks, and related equipment.
• Listen to mud pumps and check regularly for vibration and other problems to ensure that rig pumps and drilling mud systems are working properly.
• Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill cuttings.
• Supervise crew members, and provide assistance in training them.
• Position and align derrick elements, using harnesses and platform climbing devices.
• Guide lengths of pipe into and out of elevators.
• Prepare mud reports, and instruct crews about the handling of any chemical additives.
• Clamp holding fixtures on ends of hoisting cables.
• String cables through pulleys and blocks.
• Weigh clay, and mix with water and chemicals to make drilling mud, using portable mixers.
• Steady pipes during connection to or disconnection from drill or casing strings.

Source: O*NET OnLine information for Derrick Operators, Oil and Gas.

• Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.
• Operation and Control - Controlling operations of equipment or systems.
• Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
• Monitoring - Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
• Repairing - Repairing machines or systems using the needed tools.
• Speaking - Talking to others to convey information effectively.
• Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
• Complex Problem Solving - Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions.
• Active Listening - Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
• Troubleshooting - Determining causes of operating errors and deciding what to do about it.

Source: O*NET OnLine information for Derrick Operators, Oil and Gas.