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Tasks and Duties
- Clamp holding fixtures on ends of hoisting cables.
- Control the viscosity and weight of the drilling fluid.
- Guide lengths of pipe into and out of elevators.
- Inspect derricks for flaws, and clean and oil derricks in order to maintain proper working conditions.
- Inspect derricks, or order their inspection, prior to being raised or lowered.
- Listen to mud pumps and check regularly for vibration and other problems, in order to ensure that rig pumps and drilling mud systems are working properly.
- Position and align derrick elements, using harnesses and platform climbing devices.
- Set and bolt crown blocks to posts at tops of derricks.
- Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill-cuttings.
- Steady pipes during connection to or disconnection from drill or casing strings.
- String cables through pulleys and blocks.
- Prepare mud reports, and instruct crews about the handling of any chemical additives.
- Repair pumps, mud tanks, and related equipment.
- Supervise crew members, and provide assistance in training them.
- Weigh clay, and mix with water and chemicals in order to make drilling mud, using portable mixers.
NAVIGATION
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This project is supported, in part, by the NationalScience Foundation. Opinions expressed are those of the authors and not necessarily the Foundation
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