The blend of beneficiating agents affects a decreasing yield stress character with decreasing {HEAD ~ temperature} to permit {TAIL ~ drill solids removal} at ambient surface conditions 
to permit
The blend of beneficiating agents affects a decreasing yield stress character with decreasing { HEAD ~ temperature } to permit { TAIL ~ drill solids removal } at ambient surface conditions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH