Drill pipe failures can be categorized as follows:
• Twist-off—due to excessive torque
• Parting—due to excessive tension
• Burst or collapse—due to excessive internal pressure or external pressure, respectively
• Fatigue—due to mechanical cyclic loads, with or without corrosion
A vast amount of research has been conducted on drill pipe fatigue failures; however, it remains one of the least understood drilling problem to date.
In this video, we discuss the failures that occur in drill pipes and how they can be prevented.

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