Oil Country Tubular Goods – What is OCTG?

What is OCTG and what does it mean? 

Oil Country Tubular Goods (OCTG) by definition:

OCTG (plural OCTGs).

(oil industry) Abbreviation of Oil Country Tubular Goods.. Tubing, Casing and Drill Pipes manufactured according to API Specification 5CT.

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What is API 5CT?

  • API 5CT – American Petroleum Institute specifications for the oil and gas industry.
  • Casing
  • Tubing
  • Drill Pipe
  • Couplings
  • Pup Joints

What are API Threading Spec Connections?

  • STC – Short Thread Coupled
  • BTC -Buttress Thread Coupled
  • LTC – Long Thread Coupled
  • EUE -External Upset End
  • NUE -Non Upset End
  • LP – Line Pipe

What is OCTG Casing Range?

  • Range 1 – 16 – 25’
  • Range 2 – 25 – 34’
  • Range 3 – 34 – 48’

What is OCTG Tubing Range?

  • Range 1 – 20 – 24’
  • Range 2 -28 – 32’

 

 

 

 

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