| Category | emission factor | Unit |
| Wells | 7.600E−02 | ton/y per number of producing wells |
| Gas Production | 5.063E−02 | ton per (103) m3 gas production |
| Gas Processing | 9.822E−02 | ton per (103) m3 gas receipts |
| Gas Transmission | 3.400E+00 | ton per km of transmission pipeline |
| Gas Storage | 8.400E−04 | ton per (103) m3 gas stored |
| Natural Gas Liquids Transport | 2.900E−01 | ton per (103) m3 condensate |
| Liquefied Petroleum Gas LPG | 1.075E+01 | ton per (103) m3 NGL |
| Oil Production | 1.702E+03 | ton per (103) m3 conventional oil production |
| Oil Transport | 1.765E−02 | ton per (103) m3 oil transported by pipeline |