| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #6 | Santa Barbara County, CA | May 2024 | 196.3k BBLs |
| #7 | Orange County, CA | May 2024 | 179.3k BBLs |
| #8 | San Luis Obispo County, CA | May 2024 | 49.6k BBLs |
| #9 | Kings County, CA | May 2024 | 7.6k BBLs |
| #10 | Tulare County, CA | May 2024 | 2.8k BBLs |
| #11 | Santa Clara County, CA | May 2024 | 1.1k BBLs |
| #12 | San Benito County, CA | May 2024 | 856 BBLs |
| #13 | Contra Costa County, CA | May 2024 | 563 BBLs |
| #14 | San Bernardino County, CA | May 2024 | 368 BBLs |
| #15 | Solano County, CA | May 2024 | 37 BBLs |
| #16 | Sacramento County, CA | May 2024 | 5 BBLs |
| #17 | San Mateo County, CA | May 2024 | 3 BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #13 | Fresno County, CA | May 2024 | 60.8k MCF |
| #14 | Monterey County, CA | May 2024 | 57.1k MCF |
| #15 | Tehama County, CA | May 2024 | 34.7k MCF |
| #16 | San Luis Obispo County, CA | May 2024 | 27.5k MCF |
| #17 | Humboldt County, CA | May 2024 | 24.8k MCF |
| #18 | Madera County, CA | May 2024 | 24.3k MCF |
| #19 | Kings County, CA | May 2024 | 17.5k MCF |
| #20 | Butte County, CA | May 2024 | 6.0k MCF |
| #21 | San Bernardino County, CA | May 2024 | 3.6k MCF |
| #22 | Yolo County, CA | May 2024 | 1.6k MCF |
| #23 | San Benito County, CA | May 2024 | 1.1k MCF |
| #24 | Santa Clara County, CA | May 2024 | 1.1k MCF |