Clay/Shale Stabilizer
EZ-MUD GOLD clay and shale stabilizer provides inhibition of clay and shale formations in water-based drilling fluids without substantially increasing viscosity. EZ-MUD GOLD stabilizer, when added to a QUIK-GEL or BORE-GEL slurry, yields an inhibitive drilling fluid system while maintaining manageable and effective fluid properties. EZ-MUD GOLD stabilizer can be mixed easily at minimal shear thereby eliminating the need for liquid emulsions.
- NSF/ANSI Standard 60 certified
- Easy dispersion and mixing with minimal shear
- Can be used at increased concentrations to gain inhibition without producing excess viscosity
- No petroleum distillates present
- Breaks down chemically with bleach (sodium hypochlorite)
- Compatible with other Baroid drilling fluid additives when added in proper sequence
- Non-fermenting
Application
The use of EZ-MUD GOLD stabilizer aids or promotes the following:
- Enhanced rheological properties of a low-solids drilling mud
- Clay and shale stabilization to prevent swelling and/or dispersion
- Borehole stability in water sensitive formations
- Minimized rotational torque and circulating pressure
- Enhancement of air-foam system capabilities
- Enhanced core recovery in continuous wireline coring operations
Typical Properties
Appearance: White, free-flowing beads
Bulk density, lb/ft³: 52
pH (1% aqueous solution): 7.75
Mixing & Handling
Using a Venturi Mixer, or into vortex of a high-speed stirrer, add slowly and uniformly to the entire circulating system.
Approximate Amounts of EZ-MUD GOLD stabilizer Added to Water Based Fluids
| Drilling Application/Desired Property | lb/bbl | lbs/100 gal | kg/m³ |
|---|---|---|---|
| Added to fresh water (to formulate a clay-free drilling fluid) | |||
| To help stabilize water sensitive formation To help reduce torque and lower circulating pressure | 0.25 – 1.0 | 0.6 – 2.4 | 0.7 – 2.9 |
| Added to QUIK-GEL or BORE-GEL drilling fluids | |||
| To help retard reactive shale and clay and enhance lubricity | 0.1 – 0.3 | 0.25 – 0.75 | 0.3 – 0.9 |
| Added to injection liquid in air/foam drilling applications | |||
| To help improve foam performance and hole conditions | 0.25 – 1.0 | 0.6 – 2.4 | 0.7 – 2.9 |
Note:
- Make-up water used to mix EZ-MUD GOLD stabilizer should meet the following quality:
- total chloride less than 1500 ppm (mg/L)
- total hardness less than 100 ppm as calcium
- total chlorine less than 50 ppm
- water pH between 8.5-9.5
- Reduce total hardness of make-up water by adding soda ash (sodium carbonate) at 0.5 to 1 pound per 100 gallons (0.6 – 1.2 kg/m³) of make-up water.
EZ-MUD GOLD stabilizer can be chemically broken down with regular household liquid bleach (5% sodium hypochlorite). Use one gallon of liquid bleach per 100 gallons (10 liters/m³) of fluid formulated with EZ-MUD GOLD stabilizer.
Do not use perfumed liquid bleach or solid calcium hypochlorite.
Packaging & Controls
EZ-MUD GOLD stabilizer is packaged in 10-lb (4.54-kg) and 40-lb (18.1-kg) plastic containers with re-sealable flip top lids.
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