Energy Glossary
To make the informed choice, you need to know the lingo. Learn it here.
W
Weighted Average Cost of Gas or WACOG
Average cost of gas purchased during a given time period, usually a month. This includes gas injected or withdrawn from storage.
Wellhead
The assembly of fittings, valves, and controls located at the surface and connected to the flow lines, tubing, and casing of the well so as to control the flow from the reservoir.
Wellhead Price
The cost of gas as it comes from the well excluding cleaning, compression, transportation, and distribution charges.
Working Gas
Gas in an underground storage field that is available for market.