WCS Glossary
- 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
- Pump Unit Shutdown
- Pumper
- Pup
- Purge
- PVR (Plant Volume Reduction)
- Quebracho
- Quenching Front
- Quick Opening Valve Flow Characteristic
- Rabbit
- Rack Pipe
- Radioactivity Well Logging
- Ram
- Ramping
- Rankine (degrees temperature)
- Rate of Penetration (ROP)
- Rate of Rise
- Rated Working Pressure (RWP)
- Rathole
- RCD System
- Reactive MPD
- Real-time Model
- Ream
- Reciprocating Compressor
- Reciprocating Pump
- Recoverable Energy
- Recycle Line
- Reeled Tubing
- Reeve
- Reference Level
- Regulator
- Relative Roughness
- Relief Valve
- Relief Well
- Remote Choke Panel
- Remote Control
- Remote Station
- Remote Terminal Unit (RTU)
- Remotely Operated Vehicle (ROV)