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