WCS Glossary
- Barrel Equivalent
- Barrel Per Day (B/D)
- Barrier
- Barrier Element (Well Barrier Element-WBE)
- Barrier Envelope (Well Barrier)
- Base
- Base Exchange
- Base Load
- Basket
- Basket Sub
- Battery
- Beam Pumping Unit
- Belching
- Bell Nipple
- Bent Sub
- Bentonite
- Bernoulli’s Equation
- Bernoulli’s Principle
- Best Efficiency Point (BEP)
- Bicarb
- Birddog
- Bit
- Bit Balling
- Blank Casing
- Blank Joint
- Blank Liner
- Blanking Plug
- Blast Joint
- Bleed
- Bleed Off Line
- Bleeding
- Bleeding-Off
- Blender
- Blind Drilling
- Blind Ram Preventer
- Blind Rams
- Blind/Shear Rams
- Block
- Block Valve
- Blooie Line
- Blow Down
- Blow Through
- Blowout
- Blowout Preventer (BOP)
- Blowout Preventer Control Panel
- Blowout Preventer Control Unit
- Blowout Preventer Drill
- Blowout Preventer Rams
- Blowout Preventer Stack
- Body Lock Ring