TMK premium connections receive ISO 13679 CAL IV certification

TMK, one of the world’s leading producers of tubular products for the oil and gas industry, announces that qualification tests of TMK PF premium connections have been successfully held in accordance with the ISO 13679 CAL IV standard. The tests were conducted at the Oil States Industries international testing center (Aberdeen, UK) where products for world’s largest oil and gas companies undergo qualification testing.

The tests were conducted on the request of one of the largest Middle Eastern oil companies. The next stage will be testing of tubing threaded with TMK PF premium connections.

“This is the fourth test confirming the compliance of TMK’s premium connections with the ISO 13679 CAL IV standard, which undoubtedly serves as the evidence of the world class quality and reliability of our threads”, said Alexander Shiryaev, TMK CEO.