摘要
抽油机减载器 ,能在不增加驴头悬点载荷的情况下增加泵挂深度 ,使现有的有杆小泵深抽成为可能 。
The pumping lightening appliance can deepen pump setting depth without adding hanger load to nodding donkey.So the small size rod pump can suck deeply,at the same time,energy is conserved.
关键词
减载器
减载活塞
泵挂深度
节能
lightening appliance
lightening piston
pump setting depth
energy conservation
