Flip Flip fishing tube
Flip Flip fishing tube structure shown in Figure 13-18. Left-hand fishing off the fish from the external tube is inverted and salvage a tool. It can replace the cone and the salvage master cylinder.
Hydraulic anchor, removable bridge plug, removable bridge plug, eccentric water distributor, packer, spiral centralizer, self-sealing and self-locking ramp guide, upper and lower plug valves, safety joints, perforating guns, lifting nipples, anti-sticking nipples