On Taganrog Metallurgical Works (TAGMET), included in the Pipe Metallurgical Company (TMK), pilot batch of casing with threaded Buttress and oil-free finish.
The new coating was developed in conjunction with scientists from St. Petersburg and seals threaded joints of casing.
In addition, oil-free coating significantly reduces the time to prepare pipes for the descent into the well, eliminating the washing operation thread that was previously required before applying rezbouplotnitelnoy grease.
These casings have successfully passed a series of tests in a real oil rigs, during which retained full tightness.
Russian oil companies have specific requirements for the quality of products supplied to mining in difficult climatic conditions. TMK, introducing high technology and increasing the level of consumer properties of manufactured pipes, tubes ensures that its new tasks consumers.