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Effectively inhibits bentonitic cuttings, shale hydration, or both when used in sufficient concentrations.Helps reduce fluid loss without high concentrations of clay or filtration control additives.Temperature tolerant from 325 to 350 degF.Compatible with all water-based mud systems.Highly effective deflocculant and rheology stabilizer.For lower-pH systems, the product can be premixed in a higher-alkalinity solution prior to being added to the active mud system. It is most effective in mud systems with a pH in the range of 9 to 11. A normal ratio is one sack of caustic soda for every four sacks of SPERSENE lignosulfate. Initial treatments usually range from 1 to 6 lbm/bbl, depending on the mud system, solids concentrations, and the desired results treatments can be added easily to the system through the mud hopper.īecause of the product’s low pH, SPERSENE lignosulfate treatments require additional caustic soda or an alternative alkaline material to maintain a consistent pH. Normal treatments of SPERSENE lignosulfate range from 1 to 12 lbm/bbl. Laboratory tests and field usage have demonstrated its superior deflocculating ability-even in the presence of contaminants and elevated temperatures. It is effective for viscosity controlĪnd fluid-loss reduction in all water-based mud systems, including freshwater, brackish water, seawater, salt, lime, gyp, and potassium systems. SPERSENE lignosulfate has proven to be an excellent all-purpose deflocculant and fluid-loss-control agent. SPERSENE chrome lignosulfonate is a multipurpose deflocculant and gel-strength reducer, temperature stabilizer, and filtration-control additive for use in all water-based drilling fluids.