Overview
This series of Shale Inhibitors is designed to prevent hydration, swelling, and dispersion of shale and clay minerals. Through multiple mechanisms such as ion exchange, encapsulation, and adsorption, these products effectively stabilize the wellbore and reduce risks of collapse, stuck pipe, and drilling fluid degradation. They are suitable for various water-based drilling fluids and perform reliably in reactive shale and clay-rich formations.
Technical Specifications
| Product Code | Function/Application | OBM/WBM | Temperature （°C） | Features | Availibility |
|---|---|---|---|---|---|
| GN DRIL-FREE 03H | fresh water, seawater and monovalent brines | WBM | 120 | Economical friendly, HPWBM system | Liquid / 55gal |
| GN DRIL-FREE 04 LC/MC/HC | Low to moderate to high salinity systems, relative to product cloud point | WBM | Tolerant to contaminants, Low toxicity | Liquid / 55gal | |
| GN DRIL-LOCK 02 | Nano level, wellbore enhancement | OBM WBM | 200 | Economical friendly, low dosage | Liquid / 55gal |
| GN DRIL-CAP 16 | Encapsulant for fresh, seawater and saturated brine systems | WBM | 180 | Highly inhibitive to shale formation, Highly tolerant to calcium and magnesium ion contamination | Powder / 25 kg Sack |
| GN PHPA L | Freshwater, seawater and monovalent brines systems，pH range of 8.5-10.5 | WBM | 150 | Effective at low concentrations, no biocide needed | Liquid / 55gal |
| GN PHPA P | Freshwater, seawater and monovalent brines systems，pH range of 8.5-10.5 | WBM | 150 | Effective at low concentrations, no biocide needed | Powder / 25 kg Sack |
Key Functions
- Inhibit shale hydration, swelling, and dispersion
- Stabilize wellbore and reduce collapse risks
- Minimize cuttings dispersion and improve solids control efficiency
- Enhance drilling fluid stability and contamination resistance
- Reduce torque and drag, improving drilling efficiency
Features
- Multi-mechanism performance (ionic inhibition, encapsulation, physical plugging)
- Excellent thermal and salt tolerance for complex conditions
- Good compatibility with polymers and fluid loss additives
- Available in various types (e.g., inorganic salts, amine-based, polymer-based inhibitors)
- Customizable systems based on formation characteristics
- Environmentally friendly and low-toxicity options available
Applications
- Shale, mudstone, and highly reactive clay formations
- Water-sensitive and unstable wellbore sections
- Wellbore stability control in water-based drilling fluids
- Drilling through swelling clay formations
- Improved hole cleaning and operational safety