Potassium Chloride (KCl) Clay Stabilizer
CAS Number: 7447-40-7
Potassium chloride is the most widely used inorganic clay stabilizer in drilling fluids, completion fluids, and well stimulation treatments. The K⁺ ion preferentially replaces Na⁺ in the interlayer of swelling clays (smectite, montmorillonite), suppressing clay hydration and preventing fines migration that could damage formation permeability. KCl is used at 2–5 wt% in completion brines and at 3–8 wt% as a clay stabilizer in hydraulic fracturing treatments.
Technical Specifications
| appearance | White crystalline powder or granules |
| purity (%) | ≥99.0 |
| moisture (%) | ≤0.5 |
| sodium chloride (%) | ≤0.5 |
| insoluble matter (%) | ≤0.02 |
Applications
- Drilling fluid clay inhibition
- Completion brine clay stabilization
- Hydraulic fracturing fluid clay control
- Sandstone formation fines migration prevention
- Workover fluid formation damage prevention
Key Features
- Industry-standard inorganic clay stabilizer for all well applications
- Effective at low concentration (2–8 wt%) in field brines
- Prevents clay swelling and fines migration in sandstone reservoirs
- Low cost and globally available for large-volume oilfield use
Send Inquiry
More in Oilfield Chemicals
Alkaline-Surfactant-Polymer (ASP) Flooding System
Ammonium Bisulfite Oxygen Scavenger for Drilling Fluids
10192-30-0
Ammonium Persulfate Fracturing Fluid Gel Breaker
7727-54-0
Asphaltene Inhibitor Dispersant
Barite Weighting Agent for Drilling Fluids
13462-86-7
Borate Crosslinker for Fracturing Fluids
Calcium Chloride Cement Accelerator
10043-52-4
Carboxymethyl Hydroxyethyl Cellulose (CMHEC) Fluid Loss Additive