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文东油田属于高温、高矿化度油田,且注水开发多年,腐蚀问题极为突出。针对普通加重杆由于耐腐蚀能力弱,使用效果差的问题,在原有加重杆的基础上研制出了特种加重杆,以满足文留油田抽油机生产的需要。该加重杆直径φ38mm并采用35CrMo钢制造,杆体与接箍表面整体采用钨合金电解镀处理,使得加重杆耐磨耐腐蚀性能大幅度提高。
Wudong oil field belongs to high temperature, high salinity oilfield, and water for many years, corrosion problems are extremely prominent. Aiming at the problem that the common weighted bar has weak corrosion resistance and poor use effect, a special weighted bar has been developed on the basis of the original weighted bar to meet the production needs of the pumping unit in Wenliu Oilfield. The weight of the rod φ38mm and 35CrMo steel manufacturing, rod and the coupling surface of the overall use of tungsten alloy electrolytic plating, making the weight of the rod wear and corrosion resistance greatly improved.