GB/T 29169-2026
UpcomingPetroleum and natural gas industries—Inspection and classification of used drill stem elements
石油天然气工业 在用钻柱构件的检验和分级
Application Summary AI generated
This standard specifies the inspection procedures and classification criteria for used drill stem components, such as drill pipes, collars, and subs, in the petroleum and natural gas industries. It is applied during field operations and maintenance to assess wear, damage, and remaining service life, ensuring safe and efficient drilling operations. The standard is used by inspection teams and operators to categorize components for reuse, repair, or retirement based on defined defect limits.
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