The tieback member connects to {TAIL ~ tieback conduit} and has a lower end that slides into the interior of {HEAD ~ the casing hanger} 
The tieback member connects to { TAIL ~ tieback conduit } and has a lower end that slides into the interior of { HEAD ~ the casing hanger }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD