And, by studied with the 5 years ESP inspection data of Shengli Oilfield, the ESP system failure reasons are classified and analyzed, and also commensurable innovative approaches are proposed.

• 其次,结合胜利油田5年间的检泵资料,对潜油电泵系统故障的原因进行了详细分类及分析,并提出了相应的改进措施;