Swellgel Plus Bentonite
Swellgel Plus Bentonite
Swellgel Plus is a composition of high-performance Wyoming-grade sodium bentonite and a polymer enhancing its natural rheological properties. Swellgel Plus is intended for the preparation of bentonite mud used for drilling operations in the HDD technology and during all types of vertical drilling (well drilling, drilling for vertical heat exchangers, geological exploratory drilling, etc.)
Product benefits
- high rheological parameters at low concentrations
- good stabilizing properties on borehole walls
- high degree of drill cutting removal from the hole
- good lubricating properties
- easy and quick process of preparing the drilling fluid
Properties
Composition: high quality sodium bentonite
Bulk density ~780 kg/m3
Humidity ~11%
Physical properties (at 22°C in water with an electrical conductivity of 300 mS/cm):
| Concentration in the drilling fluid [kg/m3] | Structural strength 10’’ [lb/100 ft2] | Structural strength 10’ [lb/100 ft2] | Plastic viscosity [cP] | Yield limit [lb/100 ft2] | Filtration after 30’ [ml] |
| 30 | 16 | 25 | 12 | 26 | 15.5 |
Recommended concentrations
| Soil type | Concentration [kg/m3] |
| Clays, loams | 15 – 25 |
| Fine and medium sands | 25 – 30 |
| Coarse sands, gravels, aggregates | 30 – 35 |
| Stones, pebbles, mud leaks | 35 – 40 |
Packaging
Swellgel Plus is supplied as a beige powder, packaged in 25 kg multi-layer bags, 40 pieces per pallet wrapped in heat-shrinkable foil. Shelf life – 2 years from the date of manufacturing.