The invention is a method of recovering hydrocarbons from {HEAD ~ an underground hydrocarbon formation} penetrated by {TAIL ~ at least one injection} well and at least one production well 
penetrated by
The invention is a method of recovering hydrocarbons from { HEAD ~ an underground hydrocarbon formation } penetrated by { TAIL ~ at least one injection } well and at least one production well
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH