{TAIL ~ The tieback member} carries a locking device which will engage an annular groove formed in {HEAD ~ the bore} of the wellhead housing 
{ TAIL ~ The tieback member } carries a locking device which will engage an annular groove formed in { HEAD ~ the bore } of the wellhead housing
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH