在抽油机井、螺杆泵井作业过程中,当起抽油杆时经常因砂卡、蜡卡、脱接器脱不开、活塞卡死泵筒等原因,导致抽油杆拔不动无法正常施工。通常,采取三种方法起抽油杆:一是人力倒扣起杆,这种起杆方式因扭矩过大易造成管钳反弹,存在较大安全隐患;二是大力上提解卡,但易造成全井杆报 In the pumping wells, screw pump well operation, when the sucker rod often due to sand card, wax card, off the device can not be opened, the piston stuck pump barrel and other reasons, leading to sucker rod can not move normally construction. Usually, there are three ways to take the sucker rod: one is the human upside down lever, which can cause the hose clamp to bounce due to the excessive torque, so there is a big potential safety hazard. Second, Cause the whole well reported