before and after pump inspection 检泵前后
Liquid pump system inspection 液体泵系统的检查
charge pump relief valve inspection 充油泵安全阀检查
In recent years, the number of eccentric attrition oil well is large in domestic giant oilfield, and the eccentric attrition between the sucker rod and tubing becomes one of the factors which affect pump inspection operation.
近年来,抽油机井杆管偏磨井数在国内各油田均呈逐年增加的趋势,杆管偏磨已成为影响油井检泵作业的主要因素之一。
参考来源 - 三维井眼杆管防偏磨技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The problem of eccentric wear of tubing and rod strings in rod pumped Wells is very severity in recent years, and led to service frequently, pump inspection period shorten and service cost enhanced.
近年来抽油机井管、杆之间的偏磨问题十分突出，导致作业频繁，检泵周期短，作业成本增加。
Inspection of the pump shaft seal ring, such as wear parts should be replaced.
检查水泵轴的油封环，如磨损严重应更换新件。
Each pump shall be fitted with a (stainless steel cable or stainless steel chain) of adequate strength and length to permit raising the pump for inspection and removal.
为了进行观察和拆卸，每台泵都应该配置一条具有适当强度和长度的(不锈钢缆或不锈钢链)来将泵提升起来。
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