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Shale stability results by combining potassium chloride with a high-molecular-weight, partially hydrolyzed polyacrylamide. Field application of the polyacrylamide/ potassium-chloride mud has been successful in stabilizing hard, sloughing potassium-chloride mud has been successful in stabilizing hard, sloughing shales in Canada and in reducing
Partially Hydrolyzed Polyacrylamide (PHPA) Powder. PHPA Powder for Drilling Mud Additive. Bluwat Chemicals is the leading manufacturer and exporter of good quality PHPA(Partially Hydrolyzed Polyacrylamide) for oil drilling and EOR process. It is a high molecular weight polymer that controls fluid loss and increases viscosity, friction reduction.
