Drilling fluid requirements – Ditch Witch JT1220 User Manual
Page 128
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JT1220 Mach 1 Operator’s Manual
Systems and Equipment - 127
Drilling Fluid
CMW
Drilling Fluid Requirements
1.
Determine drilling conditions and choose appropriate drilling fluid mix.
2.
Estimate amount of supplies needed and check availability.
•
Drilling fluid
•
Water supply. If more water than can be carried with the unit will be needed, arrange to transport
additional water.
•
Bentonite and/or polymer
3.
Check water quality.
•
Use meter or pH test strips to test pH of water. If pH is below 9.0, add 1 lb (454 g) soda ash per
tank. Test and repeat until pH is between 9 and 10.
•
Check water hardness using hardness test strips. Treat with soda ash if hardness exceeds 125
ppm.
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