A B C D E F G H I J K L M N O P R S T U V Z W

W

Water station – (WS), facility on an oil/petroleum field where water is prepared for secondary methods and where it is injected through a well into the reservoir by compression pumps.

Well – hole drilled in the ground or underground; geotechnical or mining facility used for the exploration and recovery of raw material or water, soil exploration etc.     

Wheel grease – grease for oiling axles of horse-drawn and other vehicles; in the past, a product of simple refining of heavy petroleum from natural sources.

Workover plant – usually a mobile facility with a derrick, prime mover and other facilities and devices; used for well testing and completion, equipment installation and servicing the reservoir and the layers/beds in the reservoir.

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