LIGNITE is a naturally oxidized coal called Leonardite.
Typical Physical & Chemical Properties
Max Temperature
392
Reservoir Compatible
Non-Reservoir
Sub Category
Shale Stabilizer
Product Tier
Regular
SG value
1.3
Appearance
Brownish-Black powder
Bulk Density Kg/m³
700 - 900
pH (2% solution)
3.0 - 4.0
Feature And Benefits
LIGNITE is used in water based mud as a thinner (dispersant), oil emulsifier, filtration control and stabilization agent for high temperature mud systems.
As a drilling fluid additive, LIGNITE has a temperature stability of up to 200°C.
Product Function
LIGNITE requires the presence of hydroxyl ions (OH) for maximum effectiveness.
Mix directly through the mud hopper. Addition of caustic soda is required to maintain the pH at 9.5 or higher for effective deflocculation and dispersion.
Recommended treatment
Concentrations may vary from 3.0 – 30.0 kg/m³ depending upon the solid content of the system.
Shipping References
Transportation of LIGNITE is not restricted by any regulatory agency.
Handling Recommendations
Utilize normal precautions for employee protection when handling chemical products. Use of appropriate respirator, gloves, goggles and apron is recommended for employee comfort and protection. Refer to the Material Safety Data Sheet (MSDS) for this product prior to use.
Standard Packing
LIGNITE is packaged in 50 lbs polyethylene multiwall sack.
