The manufacturing process of sucker rods welded connections in bar repressed to drive pumps in oil wells, and the rod

摘要

The manufacturing process of sucker rods welded connections in bar repressed to drive bombs on petru00caleo wells, and its shaft.The present invention relates to a process for the manufacture of sucker rod bar repressed and welded connections.Enabling manufacture mechanical sucker rods with better performance than the rods conventionally manufactured.The novelty of the present invention is smooth and continuous discharge end of the rod to avoid stress concentration on the variation of section and by the welding of connections, machined with precision.The ends deep-seated. The connections may be of the type pin or box.Through the process of the invention, it is possible to manufacture more suitable to mechanical strain rod operational and the environment of windows.In addition, it is possible to eliminate problems caused by buckling and residual stress caused in conventional processes.