Drilling Industry Glossary
packer
pay/pay sand/pay section
PDC bit
pH
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permeability
pick up
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pig
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plastic viscosity (PV)
plug
plug and abandon (P&A)
pore pressure
porosity
possum belly
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ppb
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primary cement job
production casing
pulsation dampener
pumping schedule table
Pulsation Dampener
Pneumatic device built into the outflow line of each UUD pump to dampen the pressure fluctuations resulting from the action of the pump. Although presented as a surge tank, this device is really a device that can be tuned to greatly diminish the output pulsations transmitted downstream from the mud pump. Unfortunately, the effectiveness of the pulsation dampener is a function of both output pump pressure and frequency of the pump pulsations.
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