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ISO Technical Committee 67 – Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries is a technical committee within the International Organization for Standardization (ISO). ISO/TC 67 is responsible for developing and maintaining international standards in the worldwide upstream, midstream and downstream oil and gas industry. Its role encompasses the harmonization of standards for facilities, equipment and operations used for drilling, production, pipeline transport and processing of liquids and gaseous hydrocarbons on, and between, offshore oil and gas installations and onshore terminals and oil refineries.


TC 67 was initially established in 1947, when ISO was founded.

Oil and Gas Standards were first developed by American Petroleum Institute (founded in 1919)[1]

Other American trade organizations also contributed to the developed Standards, Codes and Recommended Practices, such as the American American Society of Mechanical Engineers (ASME), ASTM International, NACE International and the National Fire Protection Association (NFPA) and others.

With the expansion of the exploration and exploitation of the oil and gas resources around the world, regional oil companies developed in-house standards and specifications for their operations. This resulted in a large number of codes, standards and procedures developed by these companies; national, regional and international standardization bodies; and the industry associations. To better achieve harmonization, consistency and conformity of standards on a worldwide basis TC 67 was reactivated in 1989.

‘Materials, equipment and offshore structures for petroleum and natural gas industries’ as TC 67 was named, with a mission is ‘to create value-added standards for the oil and natural gas industries’ and its vision is for ‘international standards used locally worldwide’.[2]

Committee structure

Management Committee ISO/TC 67/MC - Responsible for ISO/TC 67.[3]

There are eight (8) subcommittees that report into ISO TC 67:

  • SC 2 Pipeline transportation systems
  • SC 3 Drilling and completion fluids, well cements and treatment fluids
  • SC 4 Drilling and production equipment
  • SC 5 Casing, tubing and drill pipe
  • SC 6 Processing equipment and systems
  • SC 7 Offshore structures
  • SC 8 Arctic operations
  • SC 9 Liquefied natural gas installations and equipment

There are seven (7) work groups that report into ISO TC 67:

  • WG 2 Operating integrity management for the petroleum, petrochemical and natural gas industries
  • WG 4 Reliability engineering and technology
  • WG 5 Aluminum alloy pipes
  • WG 7 Corrosion resistant materials
  • WG 8 Materials, corrosion control, welding and jointing, and non-destructive examination (NDE)
  • WG 11 Coating and lining of structures and equipment
  • WG 13 Bulk materials for offshore projects

Designated as ISO/TC 67/SC # or WG #.

The chair of TC 67, its subcommittees, and work groups change occasionally and are chaired by ISO representative members.

Standards development

As of January 2021, ISO/TC 67 has published 225 standards through its subcommittees and work groups.

New Standards are proposed using the ISO Development Procedures (ISO Directives Part 1 and 2) and through collaborations with other Standards Development Organizations (SDO). Some of these SDO's are the American Petroleum Institute (API) and International Association of Oil & Gas Producers (IOGP).

Co-Publishing standards has become common. Published ISO Standards may be based on existing trade association standards which may then co-exist with the ISO Standard and API Standard. Under ISO, these standards can be amended or qualified by national or regional standards bodies. An ISO international standard can be published as a supplement to an API Standard via normative references and its technical content. API Standards can be readopted from ISO standards either as identical adoptions or with modifications. This co-publishing is important because this allows for industry best standard practices to used globally and maintains consistency in the standards development process.

There are inter-relationships between TC 67 standards and other standards, codes, technical methodologies and regulations.


Thomas, G.A.N. and Geoffrey Thorp and J.B. Denham (4 May 1992). "The Upstream Oil and Gas Industry's Initiative in the Development of International Standards Based on API Standards". Offshore Technology Conference, Houston, Texas, May 1992.

Stark, C. ; J.A. Heimer; A. Loppinet; A.R. Johansen; G.A.N. Thomas; M. Prazzoli; P.T.N. Reeve (28 March 2001). "International Standards For The Oil & Gas Industries: An Update Paper". Offshore Mediterranean Conference and Exhibition, Ravenna, Italy, March 2001.