Table 2.
Oil and gas emission contributions from various supply chain components
| Basin | Dates surveyed | O&G point source total (t h−1) |
Production (%) | Compression (%) | Gathering pipelines (%) | Processing (%) | Other (%) |
|---|---|---|---|---|---|---|---|
| San Joaquin Valley | July 8 to September 24, 2020 | 6.92 ± 2.1 | 43 | 7 | 45 | 0 | 5 |
| San Joaquin Valley | November 9–23, 2020 | 5.56 ± 2.0 | 39 | 16 | 41 | 2 | 2 |
| San Joaquin Valley | November 5–13, 2021 | 2.17 ± 1.0 | 66 | 11 | 23 | 0 | 0 |
| Permian | September 22 to November 4, 2019 | 246 ± 79 | 50 | 19 | 23 | 9 | 0 |
| Permian | July 13–24, 2020 | 72.3 ± 20 | 39 | 35 | 20 | 6 | 0 |
| Permian | July 26 to August 10, 2021 | 67.7 ± 19 | 43 | 31 | 19 | 7 | 0 |
| Permian | October 3–17, 2021 | 74.1 ± 27 | 47 | 33 | 9 | 11 | 1 |
| Uinta | July 26 to August 7, 2020 | 6.13 ± 2.8 | 59 | 2 | 34 | 5 | 0 |
| Denver-Julesburg | July 12–22, 2021 | 2.54 ± 1.1 | 71 | 12 | 7 | 9 | |
| Denver-Julesburg | September 19–29, 2021 | 4.25 ± 1.4 | 51 | 13 | 28 | 9 | 0 |
| Southwest Pennsylvania | May 13–21, 2021 | 20.9 ± 7.8 | 82 | 15 | 3 | 0 | 0 |
| Average across campaigns | 53 | 18 | 23 | 5 | 1 |