... water based drilling fluids, as a shale stabilizer, encapsulating agent , water shutoff agent, viscosifier, and flocculant. This product is functional in fresh ... water based drilling fluids, as a shale stabilizer, encapsulating agent , water shutoff agent, viscosifier, and flocculant. This product is functional in fresh ... is supplied in 15kg pails or cubes. Fracturing fluid friction reducer