Once a well is completed, a pipeline is connected to {HEAD ~ the production} well pipelines for transporting {TAIL ~ the product} to shore 
Once a well is completed , a pipeline is connected to { HEAD ~ the production } well pipelines for transporting { TAIL ~ the product } to shore
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH