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Low-friction sucker rod pump applied to improvement of pump efficiency and application of anti-eccentric wearing technology in beam pumping well
Author(s): 
Pages: 138-141
Year: Issue:  4
Journal: ACTA PETROLEI SINICA

Keyword:  低摩阻柱塞抽油泵杆柱屈曲抽油机井注聚合物驱油抽油杆管偏磨防偏磨技术;
Abstract: 大庆油田杆管偏磨井数逐年增多,严重影响了聚合物驱采油效果和规模应用.对杆柱屈曲的原因、规律和偏磨状态以及偏磨机理进行了分析,研制并应用聚合物驱低摩阻柱塞泵解决了摩阻小、漏失量也小的难题.实施了防偏磨配套技术,研制了3种杆串在线测试仪,解决了杆管偏磨的问题,延长了杆管工作寿命,提高了泵效.
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