WCS Glossary
- Boiler
- Boll Weevil
- Bomb
- Bomb Hanger
- Bonnet
- Booster Pumps
- Boot Basket
- Borehole
- Borehole Pressure
- Bottom Drill
- Bottomhole Assembly (BHA)
- Bottomhole Choke
- Bottomhole Pressure (BHP)
- Bottomhole Pressure Gauge
- Bottoms-Up
- Bourdon Tube
- Bowtie
- Box
- Box Tap
- Bradenhead Squeezing
- Brake Band
- Brake Horsepower (BHP)
- Branch
- Break Circulation
- Break Out
- Breaking Down
- Breakout Cathead
- Bridge Plug
- Bridging Document
- Bridging Material
- Brine
- Bring In A Well
- Broaching
- Brownian Movement
- BTU
- Bubble Flow
- Bull Heading
- Bull Plug
- Bullet Perforator
- Bullheading
- Bumper Jar
- Bumper Sub
- Bumping Float
- Buoyancy
- Burn Over
- Bushing
- Butterfly Valve
- Button Slip
- Bypass
- Bypass Valve