volume of storage space - wax dope
- waste-handling equipment
- waste-heat oven
- waste-injection well
- waste-water drainage
- waste-water emulsion
- waste-water well
- wasteheat exchanger
- wasteheat exchanger (whe)
- wastewater treatment plant
- watch
- watch case
- watchdog
- watchglass
- watchglass cover
- watchman dry
- water
- water (gas) out
- water (gas) out (well waters out)
- water action
- water addition
- water adsorbing agent
- water alarm
- water alkalinity
- water alone
- water alternating with gas
- water and gas breakthrough
- water and oil content test
- water and sewage
- water anomaly
- water area
- water arrival
- water back
- water bag
- water ballasting system
- water bank
- water base
- water base frac fluid
- water based res mud system
- water bath
- water bath cup
