Basic Drilling Equipment
Drill String
Derrick
Rotary Table
The Drilling Rig
Drill Bit
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Drill Bit
Attached to the end of the drill string, the bit grinds and crushes rock as it turns. Most bits are made with diamond or tungsten carbide cutting surfaces and can cost anywhere from $10,000 to over $100,000, depending on size and material.
Drill String
The drill string is a continuous chain of connected steel pipe sections. It transmits torque from the rotary table to the drill bit while also circulating drilling mud down the well and back up to the surface.
Derrick
The derrick is the rig’s signature tower, standing about 100 to 200 feet tall. It supports the hoisting equipment that lifts, lowers, and handles the long sections of pipe used during drilling.
The Drilling Rig
A drilling rig is the most visible part of any well site—a tall steel structure that houses the machinery used to reach deep underground. Though complex, every rig shares a few core components that work together to drill safely and efficiently.
Rotary Table
Located on the rig floor, the rotary table provides the rotational force that turns the drill string. Its steady rotation keeps the drill bit cutting through rock at the bottom of the well.
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Created on October 23, 2025
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Transcript
Basic Drilling Equipment
Drill String
Derrick
Rotary Table
The Drilling Rig
Drill Bit
+info
+info
+info
Drill Bit
Attached to the end of the drill string, the bit grinds and crushes rock as it turns. Most bits are made with diamond or tungsten carbide cutting surfaces and can cost anywhere from $10,000 to over $100,000, depending on size and material.
Drill String
The drill string is a continuous chain of connected steel pipe sections. It transmits torque from the rotary table to the drill bit while also circulating drilling mud down the well and back up to the surface.
Derrick
The derrick is the rig’s signature tower, standing about 100 to 200 feet tall. It supports the hoisting equipment that lifts, lowers, and handles the long sections of pipe used during drilling.
The Drilling Rig
A drilling rig is the most visible part of any well site—a tall steel structure that houses the machinery used to reach deep underground. Though complex, every rig shares a few core components that work together to drill safely and efficiently.
Rotary Table
Located on the rig floor, the rotary table provides the rotational force that turns the drill string. Its steady rotation keeps the drill bit cutting through rock at the bottom of the well.