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发明名称
长活塞软密封防砂抽油泵
摘要
本实用新型是一种油田采油用的抽油泵。它主要针对油井出砂多经常卡泵而设计的长活塞短密封抽油泵,它的特点是把以往的短活塞(1.2米)改为长活塞(4—8)米。把长泵筒改为短密封筒(1.2米)。密封环采用非金属材料制作,密封环外有弹簧钢丝,在弹簧作用下,密封环始终向里收缩,保证了密封环与柱塞磨损后的密封效果保持不变。
申请公布号
CN2361873Y
申请公布日期
2000.02.02
申请号
CN97205005.1
申请日期
1997.01.07
申请人
王毅
发明人
王毅
分类号
F04B15/00
主分类号
F04B15/00
代理机构
代理人
主权项
1、一种用于油田采油的深井抽油泵,柱塞(2)位于密封筒(3)及下面的油管(1)中,密封筒(3)中的开口密封环(4)紧箍着柱塞(2)的外壁,弹簧钢丝(6)箍在密封环(4)的外侧,密封环4分上、中、下三组,每组10-20个,密封筒3的下部是一根油管,油管下部设置一组固定凡尔(5),其特征是柱塞(2)长于密封筒(3),柱塞(2)的长度为(4-8米),密封筒(3)的长度为1.2米左右。
地址
124010辽宁省盘锦市兴隆台区油田机关多种经营处
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