In {HEAD ~ accordance} with the process, {TAIL ~ an aqueous alkaline chemical solution} is introduced into or formed in the well bore penetrating the formation 
In { HEAD ~ accordance } with the process , { TAIL ~ an aqueous alkaline chemical solution } is introduced into or formed in the well bore penetrating the formation
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH