| 211130 |
Gas, residue, extraction |
| 211130 |
Gases, petroleum, liquefied, extraction |
| 211130 |
Gasoline, natural, production |
| 211130 |
Isobutane recovered from oil and gas field gases |
| 211130 |
Isopentane recovered from oil and gas field gases |
| 211130 |
Liquefied petroleum gases (LPG), natural |
| 211130 |
Liquid hydrocarbons recovered from oil and gas field gases |
| 211130 |
Liquids, natural gas (e.g., ethane, isobutane, natural gasoline, propane) recovered from oil and gas field gases |
| 211130 |
Natural gas liquid lease condensate production |
| 211130 |
Natural gas liquids (e.g., ethane, isobutane, natural gasoline, propane) recovered from oil and gas field gases |