GB/T 20656-2006
AbolishedPetroleum and natural gas industries - Field inspection of new casing, tubing and plain-end drill pipe
石油天然气工业 新套管、油管和平端钻杆现场检验
Application Summary AI generated
This standard specifies the procedures and acceptance criteria for the field inspection of new casing, tubing, and plain-end drill pipe used in the petroleum and natural gas industries. It is applied during on-site receiving inspections at well sites, pipe yards, or distribution centers to verify dimensional specifications, surface conditions, and mechanical properties before the pipes are run into a well. The standard ensures that only defect-free tubular goods meeting operational safety requirements are deployed in drilling and production operations.
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