The fishingmagnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.
油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
2
The magnetic structure aud the working principle as well as the design calculation of the dynamic magnetic circuit of the High-Power Fishing-Magnet are;