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The POTASSIUM CHLORIDE (KCl) / PHPA system is a highly inhibitive mud system using potassium source and PHPA for inhibitory qualities. Potassium chloride is carried in the fluid at 30-50 kg/m³ giving a K+ concentration of 15,000 to 26,000 mg/L. PHPA is typically a highly anionic polymer of medium to high molecular weight carried at 2-3.5 kg/m³ concentration. Kelzan XCD is the primary viscosifier and should be added at the first sign of tight hole. System properties may be adjusted with additional chemicals to suit most drilling conditions. PHPA / Ultraseal sweeps are typically run every 100 m in the upper hole section and when required as determined by the Drilling Fluid engineer in the lower portion of the hole. Sweeps are to contain 2.0 - 3.0 kg/m³ PHPA and 20 - 25 kg/m³ Ultraseal XP. The objective when using this system is to minimize lost time due to borehole stability issues because of the reactive shales. Please use our Contact Page to request more information on the Potassium Chloride. |
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