OREANDA-NEWS. Seversky Tube Works (STW), which is part of the ОАО TMK , has brought to a commercial status the production of OTTG-M plant pipes, diameter 250.8 mm, and wall thickness 15.88 mm, thread connected.

According to the press service of TMK, the pipes of a new standard size, manufactured under order from OAO Gazprom affiliated company OOO Burgaz, have successfully undergone industrial testing. Operational parameters of the pipes have been positively assessed by an expert committee of OOO Tyumenburgaz and research institute OOO VNIIGAZ.

The OTTG-M pipes, diameter 250.8 mm, wall thickness 15.88 mm, extremely gas-tight and highly bearing strain resistant are used to accommodate wells of petroleum, gas and condensed gas fields in the extreme North under temperatures of down to – 60°C and with high inter-stratum pressures. No pipes of this standard size have been produced in Russia till now on the industrial basis.

The production of these pipes has been brought to a commercial level by Seversky Tube Works within the framework of implementing the Research & Technology Cooperation Programme between TMK and Gazprom. The Programme is directed at coordinating the companies' efforts involving the launch of import-replacement and new type pipe products with high technological and economic parameters to cater for the needs of Gazprom.