Drilling Industry Glossary
packer
pay/pay sand/pay section
PDC bit
pH
perforate
permeability
pick up
pick up weight
pig
pigging
pipe
plastic viscosity (PV)
plug
plug and abandon (P&A)
pore pressure
porosity
possum belly
potassium (K+)
ppb
ppg
primary cement job
production casing
pulsation dampener
pumping schedule table
Potassium
Potassium muds increase the drilling efficiency in water sensitive shales and improve the stability of the formation, especially hard and brittle shales. Potassium (K+) (mg/L) can help make the cuttings together, minimizing dispersion into finer particles. KCl is the most common sources for K+.
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