Overview
This series of Viscosifiers & Rheology Modifiers is designed to control and optimize drilling fluid rheological properties by increasing viscosity and structural strength while improving shear response behavior. It enhances cuttings transport, suspension stability, and hole cleaning efficiency. The products are suitable for various water-based drilling fluids and perform reliably under complex formations and demanding conditions.
Technical Specifications
| Product Code | Function/Application | OBM/WBM | Temperature （°C） | Features | Availibility |
|---|---|---|---|---|---|
| GN DRIL-VIS 11 | Improve viscosity and suspension properties to diesel-based | OBM | 180 | Economical, Cost-effectivly | Powder / 25 kg Sack |
| GN DRIL-VIS 11 P | Improve viscosity and suspension properties to mineral oil-based | OBM | 200 | More efficient than conventional organoclay viscosifiers | Powder / 25 kg Sack |
| GN DRIL-VIS 11 HT | Optimized for use in synthetic oils | OBM | 230 | Flat rheology with increasing temperature, contaminations-tolerance | Powder / 25 kg Sack |
| GN DRIL-RHE 11 | Extended-reach, horizontal and highly deviated wells | OBM | 200 | Effective in a wide range of oil/water ratio | Powder / 25 kg Sack |
| GN DRIL N-VIS | Extended-reach and highly deviated wells | OBM | 200 | Clay-free system | Liquid / 55gal |
| GN DRIL N-RHE | Extended-reach, horizontal and highly deviated wells | OBM | 200 | Effective in a wide range of oil/water ratio | Liquid / 55gal |
| GN DRIL A-RHE | Fresh water or saturated brine | WBM | 150 | Thermal resistance and tolerating cement and higher pH | Powder / 25 kg Sack |
| GN DRIL A-RHE L | Fresh water and high salinity monovalent brines and sea water | WBM | 200 | Clay-free high temp water-based | Liquid / 55gal |
| GN DRIL A-RHE HT | Compatible with most brine-based | WBM | 180 | Extended HPHT conditions | Powder / 25 kg Sack |
| GN HEC | High-concentration NaCl, KCl, CaCl2 and CaBr2 brines completion fluids | WBM | 120 | Solid-free brine completion fluids | Powder / 25 kg Sack |
| GN HEC L | High-concentration NaCl, KCl, CaCl2 and CaBr2 brines completion fluids | WBM | 120 | Solid-free brine completion fluids | Liquid / 55gal or 5 gal |
| Note: Other products like bentonite, xathan gum, please contact us for more products information | |||||
Key Functions
- Increase plastic viscosity (PV) and yield point (YP)
- Enhance low-shear-rate structure and suspension capacity
- Improve cuttings transport and weighting material suspension
- Optimize shear-thinning behavior for better fluid circulation
- Support wellbore stability and improve filter cake quality
Features
- High-efficiency viscosity building across different fluid systems
- Excellent thermal, salt, and contamination resistance
- Good synergy with fluid loss additives and plugging agents
- Available in multiple product types (e.g., bentonite, synthetic polymers, biopolymers)
- Customizable formulations to meet specific formation requirements
Applications
- Low solids systems or fluids requiring enhanced suspension
- Large hole sections and low annular velocity conditions
- Shale and unstable formations
- Deep wells, horizontal wells, and complex well structures
- Drilling fluid maintenance and performance optimization