OREANDA-NEWS. June 16, 2011. TMK, one of the world’s leading oil and gas steel pipe producers, 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).

“Successful international certification of TMK PF premium connections according to the ISO 13679 CAL IV standard confirmed the world-class quality of our connections,” said Alexander Shiryaev, TMK CEO. “It places us among the leading global suppliers of pipe products for complex onshore and offshore drilling and hydrocarbon production projects.”