Committee Scope

Subcommittee 5, Tubular Goods (SC5)                        

API Staff Contact: Ben Coco (


SC5 develops, approves, and maintains standards pertaining and related to the product design and manufacture of:

  • casing/tubing and accessories for well operations
  • line pipe for transmission and facility piping
  • drill pipe and drill stem elements for drilling operations
  • pipe threading and gauging and thread compounds

The standards under SC5 are also supported with additional resources having expertise in metallurgy, performance properties, sour service, and coiled pipe

SC5 Advisory/Resource/Task Groups

  • Advisory Groups
    • Manufacturer (MAG)
    • User (UAG)
  • Resource Groups
    • Non-destructive Testing (RGNDT)
    • Performance Properties (RGPP)
    • Sour Service Products (RGSSP)
    • Coiled Tubulars (RGCT)
    • Monogram Program (RGMP)
  • Task Groups
    • Oil Country Tubular Goods (TGOCTG)​
    • Line Pipe (TGLP)
    • Drill Stem Elements (TGDSE)
    • Threading, Gauging, and Compounds (TGTGC)
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Ballot Information
NameRP 7G-1, WI 7001, Development of 7G-1 from 7G split
Start Date04/15/2021
Closing Date05/28/2021
AssociateBenjamin Coco
CoordinatorBenjamin Coco
ProposalProvide performance properties and calculation methods for products in Spec 7-1, Spec 5DP, and others listed in RP 7G-2. RP 7G (16th Ed.) is for used drill stem equipment which has not had much maintenance and is being split in to three parts (7G-1, 7G-2, 7G-3). Its scope covers inspection, performance properties, and several other issues relating to design and use of the equipment. It was decided to have the performance properties covered by 7G-1, the inspection related content addressed by 7G-2 (already moved), and the remaining content placed in 7G-3 for the general use and operational aspects.
ResultsIn Progress

Ballot Summary
Did Not Vote9 
Total Responses18 
Total Ballots27 
Response Rate66.67%Must be > 50%
Approval Rate100.00%Must be >= 66.67%
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