Hyperdrill AD 855

Hyperdrill AD 855 is a 40% active hydrolized polyacrylamide in liquid form. It can be used as a flocculant to promote water clarification in clear water drilling, a foam stabilizer or it may be used in conjunction with K+ to stabilize shale.

As a flocculant it is normally used in concentrations of 1.0 L/30m (3 singles) of hole drilled. (Holes larger than 222 mm will require higher concentrations.)

As a shale inhibitor the filtrate concentration ranges from 0.5 L/m³ for slightly hydratable shales to 1.5 L/m³ for moderately hydratable shales. Gumbo shales may require concentrations as high as 3.0 L/m³ .

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