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Glossary of Industry Terms

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V-Door

The opening in the derrick opposite the drawworks used for bringing in drill pipe and casing from the nearby pipe racks.

Vibroseis

Energy for seismic surveys generated by massive, truck-mounted, vibrating plates.

 

Viscosity

The resistance to flow or “stickiness” of a fluid.

Volatile Organic Compounds ( VOCs )

Gases and vapours, such as benzene, released by petroleum refineries, petrochemical plants, plastics manufacturing facilities and plants distributing and using gasoline. VOCs include carcinogens and chemicals that react with sunlight and nitrogen oxides to form ground-level ozone, a component of smog.