公开(公告)号：US5375657A

公开(公告)日：1994-12-27

申请号：US85939

申请日：1993-07-06

申请人： Chaoying Shi ,  Kaili Song ,  Xinhua Li ,  Guanggi Gao ,  Juanhuan Yang ,  Quingkun Zeng

发明人： Chaoying Shi ,  Kaili Song ,  Xinhua Li ,  Guanggi Gao ,  Juanhuan Yang ,  Quingkun Zeng

IPC分类号： E21B43/12 ,  F04B47/02 ,  E21B43/00

CPC分类号： E21B43/126 ,  F04B47/026

摘要： The invention relates to oil recovery equipment improved from existing chain oil-well pumping units. Double suspending cables, double balance flexible cables and a counterweight structure without inertial load are used in the invention. There are guide buffer devices and a buffer eccentric regulation shaft coupling in the apparatus according to the invention. Consequently, the load distribution and the stressed condition are more reasonable, the structure is simplified and reliable, and power is obviously economized. The invention has the striking strong points mentioned above in recovering condensed oil, high-condensed oil and bathhypelagic oil.

摘要翻译： 本发明涉及从现有连续油井抽油机改进的油回收设备。 在本发明中使用双悬挂电缆，双平衡柔性电缆和没有惯性负载的配重结构。 在根据本发明的设备中有引导缓冲装置和缓冲偏心调节轴联接器。 因此，负载分布和应力状况更为合理，结构简单可靠，功率明显节省。 本发明在回收浓缩油，高浓缩油和浴前油中具有突出的优点。