WCS Glossary
- Positive Test
- Potential Energy
- Potential or Head Energy
- Pounds Per Gallon (PPG)
- Pour Point
- Power Factor
- Power (p)
- Predictive Model
- Pressure
- Pressure Base (DATUM)
- Pressure Control
- Pressure Control Equipment (PCE)
- Pressure Control Equipment (PCE) Safety Margin
- Pressure Control Valve (PCV)
- Pressure Deployment
- Pressure Gradient
- Pressure Loss
- Pressure Relief Valve (PRV)
- Pressure Transient
- Pressure Transmitters
- Pressure Vessel -Phase Separation
- Pressurizable Mud Returns
- Pressurized Mud Cap Drilling (PMCD)
- Pressurized Mud Cap Drilling (PMCD)
- Pressurized Surge Tank
- Primary Barrier
- Primary Cementing
- Primary Location Instruments
- Primary Well Control
- Proactive MPD
- Process Disturbances
- Production
- Production Rig
- Productivity Index
- Propane
- Proportional Integral Derivative (PID)
- Proppant
- Pseudoplastic Fluid
- Pump
- Pump Capacity
- Pump Curve
- Pump Differential
- Pump Differential Head
- Pump Head
- Pump Head-capacity Curve
- Pump Horsepower Capacity Curve
- Pump Out Sub
- Pump Run Out
- Pump Station
- Pump Unit Lockout