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Oil drill operations rely on the use of derricks

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for their production.

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An oil derrick is used to dig a hole

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for an oil well, then to push the drill pipe

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deep into the earth.

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A mud mixture is sprayed from the drill bit

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to push material from the cuttings

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up out of the hole

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and cool the drill equipment,

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as well as to keep the bore hole stable.

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Then a well pipe replaces the drill pipe,

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so oil can be pumped out,

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using valves to allow the oil

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to move up the bore hole

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without sliding back down.

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Many workers at oil and gas drilling sites

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share duties to keep wells

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operating efficiently and safely.

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Derrick operators and rotary drill operators

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keep the mud, made of water, clay,

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air, and chemicals, flowing,

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so drills run smoothly.

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These workers listen to drills

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to ensure the vibrations are normal

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and may collect samples of material

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from the hole to monitor output.

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Derrick and drill operators

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place derricks in the correct location

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and keep them running around the clock,

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monitoring gauges, repairing equipment,

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and checking for problems.

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Drill operators also train drill crews

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on procedures and safety measures.

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Wellhead pumpers operate pumps

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that force oil and gas out of wells

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and into storage tanks and pipelines.

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They also monitor other production equipment

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and ensure that materials

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are being pumped at the correct pressure,

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density and concentration.

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Service unit operators

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work in oil and gas drilling,

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as well as mining operations,

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to troubleshoot drilling issues

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and resolve them.

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They use equipment to increase

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oil flow from producing wells,

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or to remove stuck pipes, tools,

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or other obstructions from drilling wells

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and mining exploration operations.

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These workers are employed

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by the oil and gas industry

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at construction sites and drilling rigs.

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They may work on offshore oil platforms

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drilling the ocean floor,

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or in remote locations in the far north

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or Middle East,

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which may require living onsite

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for long periods.

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Work may be seasonal,

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and shifts are often around the clock.

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Extreme weather conditions

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and dealing with heights

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is also part of the job.

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Machinery is noisy, and safety rules are critical.

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Wellhead pumpers typically need

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a high school diploma,

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while derrick operators, rotary drill operators,

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and service unit operators typically have

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no specific education requirements.