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通过对马厂、桥口二油田抽油机生产井工况的大量矿场统计，并对形成抽油井中的油管与套管内壁、抽油杆与油管内壁间的偏磨的多种因素进行较为系统的分析，提出了解决偏磨的方法，从而有效地延长抽油机井的生产周期。
Based on the statistics of a large number of mines in Maokou and Qiaokou Second Oilfield pumping wells and the various factors that cause the partial wear of tubing and casing inner wall, sucker rod and tubing in the pumping well A more systematic analysis, put forward to solve the partial wear method, thus effectively extending the pumping well production cycle.