Wells
California oil and gas wells
242,522 wellbores from the California state record. Pick a county to list its wells.
Wells
242,522
Counties
59
With a surface location
242,522
| County | Wells |
|---|---|
| Alameda | 100 |
| Amador | 1 |
| Butte | 259 |
| Colusa | 1,271 |
| Contra Costa | 675 |
| Del Norte | 2 |
| Fresno | 12,486 |
| Glenn | 1,255 |
| Humboldt | 208 |
| Imperial | 182 |
| Kern | 156,891 |
| Kings | 1,330 |
| Lake | 3 |
| Lassen | 12 |
| Los Angeles | 24,332 |
| Los Angeles Offshore | 1,547 |
| Madera | 298 |
| Marin | 8 |
| Mendocino | 12 |
| Merced | 206 |
| Modoc | 2 |
| Mono | 1 |
| Monterey | 3,879 |
| Napa | 29 |
| Orange | 9,085 |
| Orange Offshore | 296 |
| Placer | 2 |
| Riverside | 138 |
| Sacramento | 908 |
| San Benito | 388 |
| San Bernardino | 279 |
| San Diego | 54 |
| San Diego Offshore | 3 |
| San Joaquin | 1,250 |
| San Luis Obispo | 2,016 |
| San Mateo | 245 |
| San Miguel Island Offshore | 5 |
| San Nicolas Island Offshore | 1 |
| Santa Barbara | 6,814 |
| Santa Barbara Offshore | 1,074 |
| Santa Clara | 110 |
| Santa Cruz | 60 |
| Santa Cruz Island | 4 |
| Santa Cruz Island Offshore | 4 |
| Santa Rosa Island | 10 |
| Santa Rosa Island Offshore | 1 |
| Shasta | 9 |
| Siskiyou | 3 |
| Solano | 1,717 |
| Solano Offshore | 7 |
| Sonoma | 67 |
| Stanislaus | 153 |
| Sutter | 1,230 |
| Tehama | 618 |
| Tulare | 778 |
| Ventura | 8,533 |
| Ventura Offshore | 171 |
| Yolo | 1,486 |
| Yuba | 14 |
Source: CA_wells_Well.parquet. Free state agency data — nothing here is bought. Every state