Pipe Metallurgical Company (TMK) reports its premium threaded connections TMK PF have been successfully tested for compliance with the ISO 13679 CAL IV standard in Oil States Industries, an international certification center based in Aberdeen, UK. The center tests the produce of the world’s largest oil and gas companies.

The testing was carried out by TMK Premium Service. Subjected to a special qualification test program were threaded connections TMK PF with the diameter of 177.8mm, wall width 10.4mm, and strength grade L80. The testing was done at the order of one of the Middle East’s major O&G companies.

The next stage in the qualification tests to be carried out in Oil States Industries is the testing of oil well tubing with TMK PF premium threaded connections.