| 601 | SCHAAP | Allegan County, MI | Gas Property | Apr 1999 |
| 602 | SCHAAP | Allegan County, MI | Oil Property | Apr 2026 |
| 603 | SCHAAP, E | Allegan County, MI | Oil Property | Sep 2025 |
| 604 | SCHEFFLER | Ingham County, MI | Oil & Gas Property | Apr 2026 |
| 605 | SCHEMBER | Gladwin County, MI | Oil Property | Apr 2025 |
| 606 | SCHIMKE | Manistee County, MI | Oil & Gas Property | May 2026 |
| 607 | SCHMIDT | Bay County, MI | Oil Property | Dec 2025 |
| 608 | SCHMIDT | Manistee County, MI | Oil & Gas Property | Jul 2001 |
| 609 | SCHMUCKAL | Grand Traverse County, MI | Oil & Gas Property | May 2026 |
| 610 | SCHOEDEL | Manistee County, MI | Oil & Gas Property | Jan 2026 |
| 611 | SCHRADER | Otsego County, MI | Gas Property | May 2026 |
| 612 | SCHRADER | Manistee County, MI | Oil & Gas Property | Jan 2026 |
| 613 | SCHUBERT | Ogemaw County, MI | Oil Property | Apr 2026 |
| 614 | SCHUG 31 | Kalamazoo County, MI | Oil & Gas Property | Apr 2026 |
| 615 | SCHULTZ | Bay County, MI | Oil Property | Apr 2026 |
| 616 | SCHUMAN | Bay County, MI | Oil Property | May 2026 |
| 617 | SCHWALM | Roscommon County, MI | Oil & Gas Property | May 2026 |
| 618 | SCHWARTZ | Allegan County, MI | Oil Property | May 2026 |
| 619 | SCHWEITZER | Bay County, MI | Oil Property | Dec 2009 |
| 620 | SECOND NATIONAL B | Ogemaw County, MI | Oil Property | Apr 2026 |
| 621 | SEDELMAIER | Manistee County, MI | Oil & Gas Property | May 2026 |
| 622 | SEDLAR-JOHNSON | Manistee County, MI | Oil & Gas Property | May 2026 |
| 623 | SEELEY | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 624 | SHAFFER | Gladwin County, MI | Oil Property | Apr 2026 |
| 625 | SHAHEEN, S.H | Midland County, MI | Oil & Gas Property | May 2008 |
| 626 | SHARROW | St. Clair County, MI | Oil & Gas Property | May 2026 |
| 627 | SHEAHAN | Isabella County, MI | Oil Property | Apr 2026 |
| 628 | SHEATHELM | Ingham County, MI | Oil Property | Apr 2026 |
| 629 | SHEETS | Bay County, MI | Oil Property | Apr 2026 |
| 630 | SHELL | Jackson County, MI | Oil & Gas Property | May 2026 |
| 631 | SHEPARD | Arenac County, MI | Oil Property | Apr 2026 |
| 632 | SHEPPARD | Saginaw County, MI | Oil Property | Dec 2025 |
| 633 | SHERMAN, J | Arenac County, MI | Oil Property | Oct 2025 |
| 634 | SHORT-STATE COLDSPRINGS | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 635 | SHUMSKY STATE BLAIR | Grand Traverse County, MI | Oil & Gas Property | Sep 2025 |
| 636 | SILVERWOLF | Alcona County, MI | Gas Property | May 2026 |
| 637 | SIMPSON | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 638 | SIMPSON | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 639 | SIMPSON-STATE | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 640 | SINDLINGER, R | Allegan County, MI | Oil Property | May 2026 |
| 641 | SITTING BULL | Antrim County, MI | Gas Property | Dec 2020 |
| 642 | SKEBA CAPLE | Otsego County, MI | Gas Property | Apr 2026 |
| 643 | SKLARCZYK | Otsego County, MI | Gas Property | Jul 1996 |
| 644 | SLIVINSKI | Otsego County, MI | Gas Property | Aug 2021 |
| 645 | SLOCUM | Isabella County, MI | Oil Property | Mar 2026 |
| 646 | SLYKHOUSE | Kent County, MI | Oil Property | Apr 2026 |
| 647 | SMART, H | Gladwin County, MI | Oil Property | Apr 2026 |
| 648 | SMITH | St. Clair County, MI | Oil & Gas Property | Jan 2026 |
| 649 | SMITH | Osceola County, MI | Oil Property | Apr 2026 |
| 650 | SMITH | Allegan County, MI | Oil Property | May 2026 |
| 651 | SMITH | Manistee County, MI | Oil & Gas Property | Mar 1998 |
| 652 | SMITH | Manistee County, MI | Oil & Gas Property | May 2026 |
| 653 | SMITH | Otsego County, MI | Gas Property | Sep 2013 |
| 654 | SNEAD | Lenawee County, MI | Oil & Gas Property | Mar 2026 |
| 655 | SNIP, J | Ottawa County, MI | Oil Property | Jun 2026 |
| 656 | SOMOGY | Arenac County, MI | Oil & Gas Property | Dec 2025 |
| 657 | SOUTH RUST NEVER SLEEPS | Montmorency County, MI | Gas Property | Apr 2026 |
| 658 | SPATZ | Saginaw County, MI | Oil Property | May 2026 |
| 659 | SPIDER LAKE-STATE EAST BAY | Grand Traverse County, MI | Oil & Gas Property | Apr 2026 |
| 660 | SPINAZZOLA 1-7 | Gladwin County, MI | Oil Property | May 2026 |
| 661 | STARFIRE | Antrim County, MI | Gas Property | May 2026 |
| 662 | STARR COMMONWEALTH | Calhoun County, MI | Oil & Gas Property | May 2026 |
| 663 | STATE | Antrim County, MI | Gas Property | Aug 2021 |
| 664 | STATE | Gladwin County, MI | Oil Property | Apr 2026 |
| 665 | STATE | Montmorency County, MI | Gas Property | Apr 2026 |
| 666 | STATE | Roscommon County, MI | Oil Property | Apr 2003 |
| 667 | STATE | Presque Isle County, MI | Oil & Gas Property | May 2026 |
| 668 | STATE (CENTRAL) CORWITH | Otsego County, MI | Gas Property | Aug 2021 |
| 669 | STATE A | Arenac County, MI | Oil Property | Apr 2026 |
| 670 | STATE ADAMS & CLARK 5-8 | Arenac County, MI | Oil Property | Apr 2026 |
| 671 | STATE ADRIAN & | Lenawee County, MI | Oil & Gas Property | Mar 2026 |
| 672 | STATE AUSABLE | Roscommon County, MI | Oil & Gas Property | Apr 2026 |
| 673 | STATE BAGLEY | Otsego County, MI | Oil & Gas Property | May 2026 |
| 674 | STATE BAGLEY | Otsego County, MI | Oil & Gas Property | May 2026 |
| 675 | STATE BEAR LAKE | Manistee County, MI | Oil & Gas Property | Dec 1982 |
| 676 | STATE BEAR LAKE | Manistee County, MI | Oil & Gas Property | May 2026 |
| 677 | STATE BEAVER CREEK | Crawford County, MI | Gas Property | Apr 2026 |
| 678 | STATE BEAVER CREEK | Crawford County, MI | Oil & Gas Property | May 2026 |
| 679 | STATE BENTLEY | Gladwin County, MI | Oil Property | Apr 2026 |
| 680 | STATE BILLINGS | Gladwin County, MI | Oil Property | Apr 2020 |
| 681 | STATE BISMAR | Presque Isle County, MI | Oil & Gas Property | Jan 2026 |
| 682 | STATE BLAIR | Grand Traverse County, MI | Oil & Gas Property | May 2026 |
| 683 | STATE BLUE LAKE | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 684 | STATE BLUE LAKE | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 685 | STATE BROWN A | Manistee County, MI | Gas Property | Apr 2026 |
| 686 | STATE BUCKEYE | Gladwin County, MI | Oil Property | Apr 2026 |
| 687 | STATE BUCKEYE | Gladwin County, MI | Oil Property | May 2025 |
| 688 | STATE CASE | Presque Isle County, MI | Oil & Gas Property | May 2026 |
| 689 | STATE CH | Otsego County, MI | Oil & Gas Property | May 2026 |
| 690 | STATE CH | Otsego County, MI | Oil & Gas Property | May 2026 |
| 691 | STATE CHARLTON | Otsego County, MI | Oil & Gas Property | May 2026 |
| 692 | STATE CHESTER | Otsego County, MI | Oil & Gas Property | Apr 2026 |
| 693 | STATE CHESTONIA | Antrim County, MI | Gas Property | Aug 2021 |
| 694 | STATE CHURCHILL | Ogemaw County, MI | Oil Property | Apr 2026 |
| 695 | STATE CLEON | Manistee County, MI | Oil & Gas Property | May 2026 |
| 696 | STATE CLEON | Manistee County, MI | Oil & Gas Property | May 2026 |
| 697 | STATE CLINTON | Oscoda County, MI | Gas Property | Apr 2026 |
| 698 | STATE CLINTON | Oscoda County, MI | Gas Property | Apr 2026 |
| 699 | STATE COLDSPRINGS | Kalkaska County, MI | Oil & Gas Property | May 2026 |
| 700 | STATE COLFAX | Benzie County, MI | Oil Property | Apr 2002 |