The S Lock Mandrel used with a locating assembly to lock into polished seal bore of an F Landing Nipple and can bear pressure from below and above. It can also be used in combination with the pump via plugs, positive plugs, standing and safety valves. It is fitted and pinned in the mandrel with two locks facing up to prevent upward movement and two locks facing down to prevent downward movement once the lock assembly is locked into place in the F Nipple.
The S Lock Mandrel can be used as selective by choosing specific graduated nipple seal bore sizes and the running tool locator ring sizes. The S Lock assembly is ran with the C-1 Running Tool complete with locator ring and the A shank.
