Abstract
As the oil field enters into later phase of oil exploitation, more and stricter requirements have been put forward on oil tubes in terms of anti-corrosion performance in the oil exploitation, therefore, in this paper, a new compound processing method will be introduced, which carries out ion-nitriding and the plasma chemistry vapor deposition (PCVD) for oil tube inner wall. Through function extending of equipment specific to ion-nitriding of oil tubes, PCVD could also be carried out at the same time. Through the above compound processing, not only can the high hardness and the high-wearing feature of ion-nitrided oil tube be retained, but also the anti-corrosion performance can be improved substantially.
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