continually lifting the drill pipe such that the drill pipe moves independently with {HEAD ~ respect} to {TAIL ~ a fixed position} of the rotary control device insert until the drill pipe is separated from the rotary control device insert 
to
continually lifting the drill pipe such that the drill pipe moves independently with { HEAD ~ respect } to { TAIL ~ a fixed position } of the rotary control device insert until the drill pipe is separated from the rotary control device insert
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH