amazon high purity polyacrylamide crystals factory in Algeria
PHPA (Partially Hydrolyzed Polyacrylamide) Powder should be added in fresh water to get a highly viscous drilling fluid in Delhi. The marsh funnel viscosity for clay or shale formation should be ≥ 50 seconds per quart and ≥ 60 seconds per quart for sandstone or unconsolidated sand.
In 1973 R. Scheuerman's patent on the salt/PHPA (partially hydrolyzed polyacrylamide polymer) mud system was issued. The patent outlined a system that has been extensively used in the Gulf of Mexico, Canadian foothills, Alaskan waters, the North Sea and elsewhere.
