The method 2, wherein at least a portion of at least one of the fracturing fluid and {TAIL ~ the isolation fluid} further comprises {HEAD ~ an acidizing fluid} for etching the formation 
The method 2 , wherein at least a portion of at least one of the fracturing fluid and { TAIL ~ the isolation fluid } further comprises { HEAD ~ an acidizing fluid } for etching the formation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH