Glossary of Words Used in the Offshore Industry

Pump Types

Centrifugal:-
• Open impeller
• Closed impeller
• Axial
• Turbine
• Horizontal
• Vertical
• Glandless
• Self-priming
• Multistage

Rotary Positive Displacement:-
• Gear
• Lobe
• Circumferential piston
• Peristaltic
• Progressing cavity
• Vane
• Screw
• Magnetic
• Macerating
• Submersible
• Vacuum

Reciprocating:-
• Piston
• Plunger
• Membrane
• Bellows
• Diaphragm
• Fixed displacement
• Variable displacement
• Chemical metering
• Chemical injection

Typical Fluid Types

• Scale Inhibitor
• Wax Inhibitor
• Foam Inhibitor
• Wax Dissolver
• Oxygen Scavenger
• Biocide
• Methanol
• Sodium Hypochlorite
• Bleach
• Glycol
• Acetic Acid
• Citric Acid
• Hydrochloric Acid
• Sodium Hydroxide
• Solvents
• Crude Oil
• Drilling Mud
• Sea Water

Typical Systems

• Chemical Metering Packages
• Chemical Dosing Packages
• Chemical Injection Systems
• Flooding Pumps
• Pressurising Pumps
• Slurry Pumps
• Hot Oil Flushing Units
• Vacuum Units
• ATEX Compliant Pumping Units
• Transfer Systems
• Drum Pump Systems
• Engine Driven Pumps