Key Terms |
Definition |
Base (cushion) gas |
The volume of gas needed as a permanent inventory to maintain adequate reservoir
pressures and deliverability rates throughout the withdrawal season. All native gas is
included in the base gas volume.
|
Gas in storage |
The sum of base gas plus working gas.
|
Injections |
The volume of gas injected into storage reservoirs.
|
Natural Gas |
A gaseous mixture of hydrocarbon compounds,
the primary one being methane.
|
Net Withdrawals |
The amount by which storage withdrawals exceed storage injections.
|
Salt Cavern Storage Field |
A storage facility that is a cavern hollowed out in either a salt "bed" or "dome" formation.
|
Withdrawals |
The volume of gas withdrawn from storage reservoirs.
|
Working (top storage) gas |
The volume of gas in the reservoir that is in addition to the cushion or base gas.
It may or may not be completely withdrawn during any particular withdrawal season.
Conditions permitting, the total working capacity could be used more than once during any season.
|