WCS Glossary
- Swivel
- System Curve
- Tally
- Tank Battery
- Tannic Acid
- Taper Tap
- Telescoping Derrick
- Temperature Corrected Rated Working Pressure (TCRWP)
- Temperature Survey
- Tension Tool
- Thermal Cracking
- Thermal Event/Thermal Kick
- Thermal Expansion
- Thermal Spalling
- Thinner
- Thixotropy
- Thread Protector
- Thribble
- Throughput
- Tie Downs
- Tight Formation
- Tight System
- Time Step
- Time-Weighted Average (TWA)
- Tongs
- Tool Joint
- Tool Pusher
- Torque
- Total Depth (TD)
- Total Energy Diagram
- Total Energy Head
- Total Energy Head Line
- Total Head
- Total Line Pressure
- Total Static Head Gradient
- Tour
- Toxic Gasses
- Traceability
- Transducer
- Transient
- Transient Analysis
- Transient Flow
- Transient Model
- Transit Time
- Transition Flow
- Transition Phase
- Transition Region
- Trapped Pressure and Trapped Gas
- Traveling Block
- Traveling Valve