Assumptions to the Annual Energy Outlook 2003
Table 4. Coefficients of
Linear Equations for Natural Gas- and Oil-Related Methane Emissions
| Emissions Sources |
Intercept |
Variable Name and Units |
Coefficient |
Variable Name and Units |
Coefficient |
|---|---|---|---|---|---|
| Natural Gas |
-38.77 |
Time trend (calendar year) |
.02003 |
Dry gas production (thousand cubic feet) |
.02186 |
| Natural Gas Processing |
-0.9454 |
Natural gas liquids production (million barrels per day) |
.9350 |
Not applicable |
|
| Natural Gas Transmission and Storage |
2.503 |
Pipeline fuel use (thousand cubic feet) |
1.249 |
Dry gas production (thousand cubic feet) |
-0.06614 |
| Natural Gas Distribution |
-58.16 |
Time trend (calendar year) |
.0297 |
Natural gas consumption (quadrillion Btu) |
.0196 |
| Oil production, Refining, and Transport |
0.03190 |
Oil consumption (quadrillion Btu) |
.002764 |
Not applicable |
|
| Source: Derived from data used in Energy Information Administration, Emissions of Greenhouse Gases in the United States 2001, DOE/EIA-0573(2001), (Washington, DC, December 2002). | |||||