In such formulations the molecular weight of the polyethylene glycol is important in obtaining {HEAD ~ low shear rate yield stress characteristics} in fresh water slurries, at elevated temperatures for maximum drill solids carrying capacity within {TAIL ~ the wellbore} 
In such formulations the molecular weight of the polyethylene glycol is important in obtaining { HEAD ~ low shear rate yield stress characteristics } in fresh water slurries , at elevated temperatures for maximum drill solids carrying capacity within { TAIL ~ the wellbore }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL