Standard Cubic Feet (scf)

Definition - What does Standard Cubic Feet (scf) mean?

Standard Cubic Feet is the output or total amount of natural gas produced from a gas or oil well. Similarly, if any other petroleum gases such as LPG and CNG are extracted, processed and transported, their volume or the amount can be expressed in terms of Standard Cubic Feet. This is the unit of measurement for petroleum gases noted down by an operator for the daily, monthly and annual production.

Petropedia explains Standard Cubic Feet (scf)

In the oil and gas industry, crude oil and petroleum products have being designated a certain set of units that explain their daily, monthly and yearly production as well as consumption. These units form the basis of pricing during trade between two parties.

When the natural gas volume output is expressed only in SCF and not in SCFD, it means this is the annual figure. For example, if it is written as 100,000 SCF of natural gas from a gas well, this means the gas well produced 100,000 standard cubic feet of gas annually.

Standard cubic feet per day is a unit of measurement of production output of natural gas, compressed natural gas (CNG), liquefied petroleum gas (LPG) and any other gases that are extracted, processed or transported in large quantities.

The most commonly used unit of measurement for petroleum gases (natural gas, CNG, LPG or others) is Million Standard Cubic Feet Per Day.


It is important to note that the pricing of petroleum gases does not depend on the Standard cubic feet per day as this unit simply represents volumetric output of gases. Petroleum gases are priced on the basis of thermal enthalpy or the heat energy the gases produce when they are burnt. The unit is generally expressed in terms of BTU’s (British Thermal Units).

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