Abstract: The disclosed embodiments include a rotating stage collar. The rotating stage collar includes an upper collar configured to couple to a first length of tubular, a lower collar configured to couple to a second length of tubular, and an inner sleeve disposed within the upper collar and the lower collar, wherein the upper collar and the lower collar are rotationally fixed to one another when the inner sleeve is in a first position within the upper collar and the lower collar, wherein the upper collar and the lower collar are rotationally independent of one another when the inner sleeve is in a second position within the upper collar and the lower collar, and wherein the second position is axially beneath the first position relative to a longitudinal axis of the rotating stage collar when the rotating stage collar is positioned within a wellbore.

Abstract: In accordance with one aspect of the disclosure, a system includes a multiple cement plug launching system having a plug system adapter assembly, a first plug assembly comprising a first central passage and a plurality of rupture disks, wherein each rupture disk of the plurality of rupture disks occludes a respective one of a plurality of rupture disk ports extending through the first plug assembly, and a second plug assembly comprising a second central passage, wherein the plug system adapter assembly is coupled to the second plug assembly, which is coupled to the first plug assembly, such that the plug system adapter assembly, the second plug assembly, and the first plug assembly are coupled to one another in an axial arrangement.