利索-全球专利检索

  1. 登录
  2. 注册
发明授权
CN101187295B 超高强度防腐抽油光杆的制作方法 有权 许可

超高强度防腐抽油光杆的制作方法
摘要：
本发明涉及一种超高强度抽油光杆的制作方法，它包括下列步骤：一、低合金结构钢棒材的制备；二、抽油光杆毛坯的制备；三、抽油光杆毛坯的表面喷涂；四、将具有上述合金涂层的抽油光杆毛坯进行重熔冷却；五、抽油光杆的回火热处理；六、抽油光杆抛光处理，最后得到超高强度防腐抽油光杆。通过这种方法制作的抽油光杆适用于工作环境腐蚀严重的油井，同时也大幅度延长光杆的使用时间，减少作业次数，提高油田开发产量。
摘要（英）：

The invention relates to a manufacturing method of a super strength pumping polish rod, which comprises preparing low-alloy structure steel bar, preparing blank of the pumping polish rod, spraying the surface of the blank of the pumping polish rod, remelting and cooling the blank of the pumping polish rod with an alloying coating layer, drawing and annealing the pumping polish rod, buffing the pumping polish rod, and getting the preserving pumping polish rod with super strength. The pumping polish rod with the manufacturing method is suitable for oil wells whose operating environment is seriously corroded, meanwhile the using time of the polish rod is greatly extended, the operating time is reduced, and oil field development yield is improved.

公开/授权文献
0/0