EZ-MUD, Baroid Drilling Fluid

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EZ-MUD

Description

EZ-MUD, a liquid polymer emulsion containing partially hydrolyzed polyacrylamide/polyacrylate (PHPA) copolymer, is used primarily as a borehole stabilizer to prevent reactive shale and clay from swelling and sloughing. EZ-MUD is added to low-solids drilling fluids to increase fluid viscosity, and is also used to improve carrying capacity of air/foam injection fluids or low-solids fluids formulated with QUIK-GEL®.

Applications/Functions

EZ-MUD clay-free drilling fluid and QUIK-GEL®/EZ-MUD drilling mud system are applicable to all types of drilling operations.
- Water wells
- Geo-construction
- Diamond coring
- Horizontal directional drilling (HDD)
- Minerals exploration
- River crossing
- Seismograph shot holes
- Blast holes
Stabilize water sensitive formations
Improve borehole stability
Enhance slurry rheological properties
Alleviate mud rings, bit balling and booting-off in clay formations
Reduce drill pipe torque and pumping pressure
Minimize rod chatter in diamond core drilling
Create "stiff-foam" and maintain foam integrity
Flocculate non-reactive solids in reserve pit
Reduce water loss effectively when added to pre-mixed QUIK-GEL slurry and other drilling mud systems

Advantages

Mixes easily with minimum shear in fresh water
Develops viscosity rapidly
Rapid settling of cuttings in pit-aids in preventing recirculation of drilled cuttings back into the wellbore
Non-fermenting
Cost effective - small amounts produce desired results
Chemically degradable

Typical Properties

Appearance - Thick, opaque white liquid
Density - 8.5 lb/gal (1.02 g/cm3)
pH (1 quart per 100 gallons water) - 8.5
Flash point, PMCC °F(°C) - >200(>93.3)
Thermal stability, °F(°C) - 250(121)

Recommended Treatment

Approximate Amounts of EZ-MUD^® Added to Drilling Fluid System
Drilling Application/Desired Property	Quarts/ 100 gal	Pints/bbl	Liters/m³
Added to fresh water (To formulate a clay-free drilling fluid)
To stabilize water-sensitive formations	1.0	1.0	2.5
To stop rod vibration, reduce torque and pumping pressure	1.5	1.25	3.75
Added to QUIK-GEL® bentonite drilling mud (25 lb/100 gal) or (30 kg/m³)
To improve hole cleaning, increase hole stability and to improve performance properties	1.0	1.0	2.5
Added to injection liquid in air/foam drilling applications
To improve foam performance and hole conditions	0.5 - 1.0	0.5 - 1.0	1.3 - 2.5

Notes:
EZ-MUD can be chemically broken down with liquid bleach in regular household concentration (5% sodium hypochlorite). Use one gallon of liquid bleach per 100 gallons (10 liters/m3) of fluid formulated with EZ-MUD. Do not use perfumed liquid bleach or solid calcium hypochlorite.

Packaging

EZ-MUD is packaged in 5-gal (19-liter) and 1-gal (3.8-liter) plastic containers.