types of a anionic polyacrylamide polymer of Thailand
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Drilling Fluid Additives. In drilling fluid additives,polyacrylamide(PHPA) is used as the drilling mud property adjusting agent its function is to adjust rheological characteristic of drilling fluid,to carry rock fragments and to lubricate the drilling bit,and to increase drilling speed.Beside,it can largely reduce the sticking accidents,lighten the wear and tear of equipments and help
