Successfully performed a cement packer job in an existing wellbore to isolate the existing production zone in preparation for an upper re-completion. Cemented 5 1/2" tubing inside 9 5/8" casing annulus using cement blenders (138 bbls) comprising of 27 MT of cement in jumbo bags. Slurry designed with expansion agent. Job executed safely as planned. Cement bond log showed excellent isolation of planned zone. Successfully pressure tested 5 1/2'' tubing post-cement job.