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针对中原油田Ｗ２２ 区块油井管杆腐蚀偏磨，停产待检修井增多等问题，经过检修井起出的管杆检查和油井产出水水质监测分析，认识到油井管杆被腐蚀偏磨，一是产出水有盐酸溶液的强腐蚀性；二是井身倾斜，形成偏磨；三是缝隙腐蚀和冲蚀综合作用等。提出：①在油井注入缓蚀剂；②在抽油杆表面涂防腐涂料和使用高强度抽油杆；③安装稳定器和使用旋转井口装置；④变换抽油杆节箍位置。通过应用以上综合技术，使Ｗ２２ 区块油井检泵周期延长２２０ 天，投入与产出比１∶４－８８，创经济效益１４６－９ 万元。
Aiming at the problems of corrosion partial wear of oil well pipe rod in W22 block of Zhongyuan Oilfield and increase of production shutdowns, the pipe rod inspection and well water quality monitoring analysis of oil well after the overhaul wells realized that oil well pipe rod was corroded and partial abrasion Hydrochloric acid solution is the production of water is highly corrosive; Second, the well body tilt, the formation of partial wear; Third, crevice corrosion and erosion and so on. It is proposed that: (1) Corrosion inhibitor should be injected into oil well; (2) Anti-corrosion paint should be applied to the surface of sucker rod and sucker rod should be used; (3) Stabilizer should be installed and rotary wellhead device should be used; Through the application of the above integrated technology, the W22 block oil well inspection pump period is extended by 220 days, with an input-output ratio of 1: 4-88, creating an economic benefit of RMB1.46 to 9.0 million.