Frac spread is the margin between natural gas liquids (NGL) and natural gas prices

Natural gas can be considered either a wet gas or dry gas. A wet gas has associated liquids which can be condensed out of the gas at surface conditions. See related link.

Minerals, coal, natural-gas liquids, stone, petroleum, sand, gravel and timber.

By RS

consists of companies that are primarily engaged in the operation of properties for the recovery of hydrocarbon liquids and natural gas

Sempra Energy trades crude oil and refined products. The company trades natural gas and natural gas liquids. The company also trades emissions and ethanol.