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What is the function of oil drill pipes during drilling
release time：2026-08-18
source： Internet
During drilling, the core function of the oil drill pipe is:
Transmitting rotational torque: Efficiently transferring the rotational power generated by surface drilling rigs, rotary tables, or top drives to the bottom hole bit during drilling, driving the bit to rotate and break down formation rocks.
Drilling fluid delivery channel: serving as a hollow conduit, it pumps high-pressure drilling fluid from the surface to the well bottom, achieving functions such as cooling the drill bit, carrying cuttings, and balancing formation pressure.
Extend the wellbore depth: By screwing together single drill pipes, the drill string is gradually lengthened, allowing the drill bit to continuously extend underground and progressively deepen the wellbore.
Withstand composite loads: Capable of stably bearing complex alternating stresses such as tension, compression, torsion, and bending during operation, suitable for challenging conditions like deep wells and horizontal wells.
Transmitting axial drilling pressure: Convey the axial force applied from the surface to the drill bit, providing the necessary drilling pressure for rock fragmentation and ensuring drilling efficiency.
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