"RXN" Profile Nipple is a BOTTOM NoGo Nipple that provides for the location of various wireline flow control devices in the production string.
Land blanking plugs to shut in well or to test the production tubing.
Land Velocity Type Safety Valves.
Land equalizing check valves.
Land circulating blanking plugs.
Land chokes to reduce surface flowing pressures.
Land instrument hangers with geophysical devices such as pressure and temperature recorders.
Restricted I.D. catches tools dropped during wireline work.