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What are the main functions of drill collars
release time：2024-06-15
source： network
The role of drill collars is mainly reflected in the following aspects:
Provide weight: During the drilling process, the weight of the drill collar itself can apply drilling pressure, helping the drill bit more effectively break rocks and drill into formations.
Stable drilling tool combination: It can enhance the rigidity of drilling tools, reduce the bending and vibration of drilling tools in the well, make the drilling process more stable, and ensure the verticality and regularity of the wellbore.
Transmission of torque: Effectively transmit the torque of the drilling rig to the drill bit to drive the drill bit to rotate and drill.
For example, in drilling deep wells and complex formations, the weight of the drill collar is crucial for overcoming formation resistance and breaking rocks; In the construction of directional and horizontal wells, drill collars play a crucial role in stabilizing the direction of drilling tools and ensuring drilling trajectory.
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