| Word | Definition |
| Naphtha | A light fraction of crude oil used to make gasoline. |
| Natural Gas | A gaseous mixture of hydrocarbon compounds, the primary one being methane. Note: The Energy Information Administration measures wet natura... |
| Natural Gas Field Facility | A field facility designed to process natural gas produced from more than one lease for the purpose of recovering condensate from a stream of natural g... |
| Natural Gas Gross Withdrawals | Full well-stream volume of produced natural gas, excluding condensate separated at the lease. |
| Natural Gas Hydrates | Solid, crystalline, wax-like substances composed of water, methane, and usually a small amount of other gases, with the gases being trapped in the int... |
| Natural Gas Liquids (NGLs) | Liquids obtained during natural gas production and processing; they include ethane, propane, butane and condensate. |
| Natural Gas Liquids Production | The volume of natural gas liquids removed from natural gas in lease separators, field facilities, gas processing plants, or cycling plants during the ... |
| Natural Gas Marketed Production | Gross withdrawals of natural gas from production reservoirs, less gas used for reservoir repressuring, nonhydrocarbon gases removed in treating and pr... |
| Natural Gas Plant Liquids | Those hydrocarbons in natural gas that are separated as liquids at natural gas processing plants, fractionating and cycling plants, and, in some insta... |
| Natural Gas Processing Plant | Facilities designed to recover natural gas liquids from a stream of natural gas that may or may not have passed through lease separators and/or field ... |
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