| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #27 | Cheboygan County, MI | May 2026 | 2.4k BBLs |
| #28 | Ingham County, MI | May 2026 | 2.4k BBLs |
| #29 | Osceola County, MI | May 2026 | 2.2k BBLs |
| #30 | Newaygo County, MI | May 2026 | 1.8k BBLs |
| #31 | Oakland County, MI | May 2026 | 1.5k BBLs |
| #32 | Lapeer County, MI | May 2026 | 1.5k BBLs |
| #33 | Ottawa County, MI | May 2026 | 1.4k BBLs |
| #34 | Muskegon County, MI | May 2026 | 1.0k BBLs |
| #35 | Genesee County, MI | May 2026 | 632 BBLs |
| #36 | Oceana County, MI | May 2026 | 573 BBLs |
| #37 | Eaton County, MI | May 2026 | 570 BBLs |
| #38 | Saginaw County, MI | May 2026 | 511 BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #15 | Bay County, MI | May 2026 | 13.7k MCF |
| #16 | Clare County, MI | May 2026 | 7.9k MCF |
| #17 | Arenac County, MI | May 2026 | 7.9k MCF |
| #18 | Charlevoix County, MI | May 2026 | 6.8k MCF |
| #19 | Wayne County, MI | May 2026 | 4.4k MCF |
| #20 | Calhoun County, MI | May 2026 | 3.7k MCF |
| #21 | Roscommon County, MI | May 2026 | 3.5k MCF |
| #22 | Benzie County, MI | May 2026 | 2.4k MCF |
| #23 | Presque Isle County, MI | May 2026 | 2.1k MCF |
| #24 | St. Clair County, MI | May 2026 | 1.5k MCF |
| #25 | Cheboygan County, MI | May 2026 | 647 MCF |
| #26 | Wexford County, MI | May 2026 | 295 MCF |