The X lock mandrel is used to install flow control devices, safety valves and plugs in landing nipples located in the
tubing string. The X locking mandrel is with an extra-largeinternal bore for higher volumes and offers flexibility in running, setting and locking operations that permits the operator many advantages over other nipple type locking devices.
Size | Fishing Neck ID | ID | Connection |
1.875＂ | 2＂ | 1＂ | 1-3/8UN |
2.313＂ | 2.5＂ | 1.375＂ | 1-3/4UN |
2.813＂ | 3＂ | 1.75＂ | 2-1/4-12SLB |
3.813＂ | 4＂ | 2.62＂ | 3-1/16-12SLB |
The X Lock Mandrel is composed of an inner salvage neck, a telescopic sleeve, a positioning key sleeve, a positioning key reed, a positioning key, a sealing mandrel, and a sealing assembly.
1. Replace the seal before going downhole;
2. When there are burrs or bites on the outside, they should be repaired with a file in time.