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ViChem Specialty Products
MHA Drilling Fluid System
Multi-Hydroxyl Alcohol
ViChem
Specialty Products LLC.
Conroe, TX
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MHA Drilling Fluid System
• Utilizes the unique properties of
Multi-Hydroxyl Alcohols
– Stability and performance characteristics
comparable to Oil Based Muds
– Nontoxic to the environment
Oil Hydrocarbon Multi-Hydroxyl Alcohol
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MHA Drilling Fluid System
• Highly inhibitive water based drilling fluid
formulation
• Specifically designed to drill long
laterals
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Benefits of the MHA System
• Nontoxic to the environment
• Superior lubricity
• Inhibits shale hydration
• Specifically designed for horizontal drilling
• Maximizes cost efficiency
• More control over loss circulation problems than with OBM or SBM
• Cleaner and easier to use than OBM or SBM
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MHA System Components
• Multi-Hydroxyl Alcohol base
• ViChem L-20 Lubricant
• Proprietary Shale Inhibitors
• ViChem CQ Bio-324
• Bio-Polymers
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Multi-Hydroxyl Alcohol • Gives the system its unique properties
• “Alcohol hydrocarbon” as opposed to an
“oil hydrocarbon”
• Hydrocarbon molecule blend containing multiple
hydroxyl groups allowing it to act like an
oil and an alcohol
Oil Hydrocarbon Multi-Hydroxyl Alcohol
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Multi-Hydroxyl Alcohol (cont.)
• Miscible in water while still retaining its oil
like properties in the areas of lubricity and
inhibition
• Completely biodegradable
Oil Hydrocarbon Multi-Hydroxyl Alcohol
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ViChem L-20 Lubricant
• Non-petroleum based organic vegetable oil
• Uniquely high affinity for coating particles
and metal surfaces
• Superior performance as a
lubricant, shale stabilizer
and corrosion inhibitor
• Completely Biodegradable
54
psi500
psi232
Ft/hr127
Ft/hr100
Amp327
Amp500
2745
132.1
206.7
bbl
K/lbs
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Proprietary Shale Inhibitors
• Because the MHA system is water-based,
a wide variety of shale inhibitors are
possible
• ViChem SI-60 combines a proprietary mix
of cationic molecules to inhibit shale
hydration
• Can be used “off of the shelf”
or custom blended based on
laboratory testing of formational
shale samples
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ViChem CQ Bio-324 Biocide
• Microorganisms can directly impact drilling operations as well as cause problems down the line
• Broad spectrum biocide
• Long term effectiveness
• High temperature/pressure
tolerant
• Granted full regulatory approvals by EPA for use in oil and gas applications
Before Biocide
After Biocide
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Bio-Polymers
• Use a combination of natural and semi-
synthetic polymers
• Viscosity and API filtrate control
• Well-bore stability
• Can use ViChem polymers or custom
blends based on customer needs
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Benefits of the MHA System
• Shale stability
• Lubricity
• Increased ROP
• Environmental compliance
• Other benefits
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Shale Stability
– MHA Components combine to create an
inhibitive system providing wellbore stability
and integrity
Shale After 12hrs of Heat Rolling
Base Lab Mud MHA System
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Shale Stability
– MHA Components • Can promote clay and shale stabilization to prevent
swelling and/or dispersion
• Encapsulate gumbo reducing bit balling and
increasing ROP
• Seals small fractures in stressed shale formations
Woodbine Eagle Ford Jackson Midway
Water Based Lab Mud 39.0 76.4 69.0
BLM + 3.0% L-20 80.4 78.2 83.2
BLM + 60% MHA 75.3 82.5 87.1
BLM + 2.0% SI-60 93.1 91.9 95.3
Example Optimized Sytem 96.2 97.9 98.5
Oil Based Mud 98.3 98.5 99.1
Percent Inhibition
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Shale Stability
• MHA system designed specifically to compete with OBM
and SBM while drilling reactive shale
• Shale inhibitors can be optimized to meet specific needs
30
40
50
60
70
80
90
100
Eagle Ford Jackson Midway
Percent Inhibition
Water Based Mud Example Optimized Sytems OBM
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Lubricity
• Multi-Hydroxyl Alcohol plus the L-20 organic
vegetable oil combine to provide superior lubricity
• Uniquely high affinity for coating particles and metal
surfaces
Water Based Mud MHA System
Extreme Pressure/Film Strength Test
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Lubricity • Advanced Lubricant – Film strength and lubricity testing confirm field observations
of superior lubricating properties
– Smoother, faster trips reduce down time
– Facilitates sliding operations for longer laterals
PV/YP 14/8 16/9 13/8
Coef. Lubricity 0.214 0.044 0.023
% Reduction -- 79.4% 89.2%
Film Strength 16,000 43,800 48,800
% Increase -- 274% 305%
PV/YP 18/10 20/11 17/10
Coef. Lubricity 0.402 0.202 0.127
% Reduction -- 49.8% 68.4%
Film Strength 11,200 35,500 39,500
% Increase -- 317% 353%
Water-Based Mud Testing
Base MHA System
9.4 ppb Drilling Fluid
10.5 ppb Drilling Fluid
Base Plus
L-20 Lubricant
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Increased ROP
2,000
4,000
6,000
8,000
10,000
12,000
14,000
0 5 10 15 20 25
Lateral
Curve
Intermediate
2,000
4,000
6,000
8,000
10,000
12,000
14,000
0 5 10 15 20 25 30
Lateral
Curve
Intermediate
MHA
WBM
To
tal D
ep
th (
ft)
Days From Surface Hole
Marcellus Shale
Marshall Co, WV
Woodbine Shale
Leon Co, TX
MHA
SBM
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Environmental Compliance • Readily metabolized and does not bioaccumulate
• Degrades rapidly in the presence of microorganisms – Well over 50% degradation in 5 days
• Reacts with atmospheric hydroxyl radicals – Estimated half-life in air is 33 hours
• Aquatic Toxicity • LC50 (Fish, 48hr) >10,000mg/liter
– virtually nontoxic
• EC50 (Crustacea, 48hr) >10,000mg/liter
– virtually nontoxic
• Very low toxicity to aquatic life
0 Health
0 (NFPA) Flammability
0 Reactivity
Personal
Protection EquipB
ViChem MHA
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Other Benefits
• Clean up and handling easier than OBM or SBM
• No emulsification required
– Possible effect of skin damage to the pay zone, from “emulsion block” is eliminated
• Offers the flexibility of water based systems
• Reduces disposal costs and liabilities
• Minimizes HSE issues