| 501 | NYSTROM | Manistee County, MI | Oil & Gas Property | Jan 2026 |
| 502 | OCKERT | Grand Traverse County, MI | Oil & Gas Property | Mar 2026 |
| 503 | OCRC ETAL 12-21 | Otsego County, MI | Oil & Gas Property | Nov 2025 |
| 504 | ODELL | Midland County, MI | Oil Property | Feb 2026 |
| 505 | ODGERS | Manistee County, MI | Oil & Gas Property | Jan 2026 |
| 506 | ONEKAMA | Manistee County, MI | Oil & Gas Property | Mar 2026 |
| 507 | ORLA 1 | Ingham County, MI | Oil & Gas Property | Jan 2026 |
| 508 | OROSZ 1 | Kalamazoo County, MI | Oil & Gas Property | Feb 2026 |
| 509 | OTWAY | Midland County, MI | Oil Property | Feb 2026 |
| 510 | PAFFI | Montmorency County, MI | Gas Property | Feb 2026 |
| 511 | PAHKANEN | Manistee County, MI | Oil & Gas Property | Mar 2026 |
| 512 | PAIGE | Bay County, MI | Oil Property | Feb 2015 |
| 513 | PAINE | Osceola County, MI | Gas Property | Feb 2026 |
| 514 | PALMITER | Calhoun County, MI | Oil Property | Feb 2026 |
| 515 | PALOMBIT | Otsego County, MI | Oil & Gas Property | Jan 1989 |
| 516 | PANASIUK, J | Arenac County, MI | Oil Property | Mar 2026 |
| 517 | PAPPAS | Isabella County, MI | Oil & Gas Property | Feb 2026 |
| 518 | PARCELLS | Grand Traverse County, MI | Oil & Gas Property | Dec 2025 |
| 519 | PARR | Presque Isle County, MI | Oil & Gas Property | Feb 2026 |
| 520 | PARSONS | Isabella County, MI | Oil Property | Feb 2026 |
| 521 | PATEL 18-1 | Kalamazoo County, MI | Oil & Gas Property | Feb 2026 |
| 522 | PATEREK | Bay County, MI | Oil Property | Jan 2026 |
| 523 | PAVLIS STATE GRANT | Grand Traverse County, MI | Oil & Gas Property | Dec 2025 |
| 524 | PEASE | Kalamazoo County, MI | Oil & Gas Property | Feb 2026 |
| 525 | PEAVY | Arenac County, MI | Oil Property | Feb 2026 |
| 526 | PEDERSON | Isabella County, MI | Oil Property | Feb 2026 |
| 527 | PERCHA-STATE BLAIR 1-25 | Grand Traverse County, MI | Oil & Gas Property | Mar 2026 |
| 528 | PETERSEN | Montcalm County, MI | Oil Property | Feb 2026 |
| 529 | PEWINSKI | Otsego County, MI | Oil & Gas Property | Oct 2022 |
| 530 | PHOENIX PETROLEUM | Grand Traverse County, MI | Oil & Gas Property | Mar 2026 |
| 531 | PIASECKI | Otsego County, MI | Oil Property | Oct 1988 |
| 532 | PICKERAL LAKE | Otsego County, MI | Gas Property | Feb 2026 |
| 533 | PLAGANY | Manistee County, MI | Oil & Gas Property | Mar 2026 |
| 534 | PLEASANT VALLEY | Montmorency County, MI | Gas Property | Feb 2026 |
| 535 | PODSIADLIK | Arenac County, MI | Oil Property | Feb 2026 |
| 536 | POLLARD | Isabella County, MI | Oil & Gas Property | Feb 2026 |
| 537 | PORTER HOGAN | Roscommon County, MI | Oil Property | Dec 2025 |
| 538 | POTTS 2-19 | Lenawee County, MI | Oil & Gas Property | Aug 2025 |
| 539 | POTTS LAKE | Oscoda County, MI | Gas Property | Feb 2026 |
| 540 | PREVOST | Bay County, MI | Oil & Gas Property | Feb 2026 |
| 541 | PRITCHARD | Osceola County, MI | Oil Property | Feb 2025 |
| 542 | PROSCH | Grand Traverse County, MI | Oil & Gas Property | Dec 2025 |
| 543 | PROUT | Isabella County, MI | Oil Property | Feb 2026 |
| 544 | RAAB | Allegan County, MI | Oil Property | Feb 2026 |
| 545 | RACHOW-LATUSZEK | Otsego County, MI | Oil & Gas Property | Mar 2026 |
| 546 | RAPP, A | Ottawa County, MI | Oil Property | Feb 2026 |
| 547 | RAWLINGS | Grand Traverse County, MI | Oil & Gas Property | Oct 2025 |
| 548 | RAY-BRISKE 2-28 | Manistee County, MI | Oil & Gas Property | Mar 2026 |
| 549 | RAYL R & | Tuscola County, MI | Oil Property | Jan 2026 |
| 550 | REAMES, M | Missaukee County, MI | Oil Property | Dec 2006 |
| 551 | RECHSTEINER | Bay County, MI | Oil Property | Dec 2009 |
| 552 | RECKOW | Manistee County, MI | Oil & Gas Property | Feb 2026 |
| 553 | REFKE | Manistee County, MI | Oil & Gas Property | Feb 2026 |
| 554 | RENIHAN | Kent County, MI | Oil Property | Apr 2026 |
| 555 | RENSHAW 1-24 | Calhoun County, MI | Oil Property | Feb 2026 |
| 556 | RETZLOFF | Midland County, MI | Oil Property | Nov 2008 |
| 557 | RHOADS | Mecosta County, MI | Oil Property | Jan 2026 |
| 558 | RICCI | Kalkaska County, MI | Oil & Gas Property | Mar 2026 |
| 559 | RICCI UNIT | Kalkaska County, MI | Oil & Gas Property | Mar 2026 |
| 560 | RICHARDS | Livingston County, MI | Oil & Gas Property | Aug 2024 |
| 561 | RICHARDSON | Gladwin County, MI | Oil Property | Feb 2026 |
| 562 | RICHARDSON ET AL 1-30 | Jackson County, MI | Oil & Gas Property | Feb 2026 |
| 563 | RICHMOND, J | Midland County, MI | Oil Property | Feb 2026 |
| 564 | RICHTER | Bay County, MI | Oil Property | Mar 2000 |
| 565 | RIDDERING | Ottawa County, MI | Oil Property | Feb 2026 |
| 566 | RIVERSIDE SAND & GRAVEL | Kent County, MI | Oil Property | Apr 2026 |
| 567 | ROBBINS | Montcalm County, MI | Oil Property | Jun 2025 |
| 568 | ROBERTS | Ottawa County, MI | Oil Property | Mar 2026 |
| 569 | ROBINSON | Ogemaw County, MI | Oil & Gas Property | Mar 2026 |
| 570 | ROCKAFELLOW, W | Arenac County, MI | Oil Property | Dec 2025 |
| 571 | RODGERS, J | Isabella County, MI | Oil Property | Feb 2026 |
| 572 | ROGOS | Kalkaska County, MI | Oil & Gas Property | Nov 2024 |
| 573 | ROMA | Ogemaw County, MI | Oil Property | Dec 2025 |
| 574 | ROOD 2-22 | Montmorency County, MI | Oil & Gas Property | Mar 2026 |
| 575 | ROSEN TRUST | Montmorency County, MI | Oil Property | Sep 1988 |
| 576 | ROTARY CAMP | Grand Traverse County, MI | Oil & Gas Property | Oct 2025 |
| 577 | RUBA | Mason County, MI | Oil Property | Nov 2025 |
| 578 | RUCK | Gladwin County, MI | Oil Property | May 2025 |
| 579 | RUEGSEGGER | Bay County, MI | Oil Property | Dec 2009 |
| 580 | RUESINK | Lenawee County, MI | Oil & Gas Property | Aug 2025 |
| 581 | RUGGIERO | Manistee County, MI | Oil & Gas Property | May 1994 |
| 582 | RUSSELL | Isabella County, MI | Oil & Gas Property | Feb 2026 |
| 583 | RUZINSKI J | Allegan County, MI | Oil Property | May 2025 |
| 584 | SACKNER, W E | Kent County, MI | Oil Property | Dec 2024 |
| 585 | SAINT HELEN UNIT | Roscommon County, MI | Oil & Gas Property | Feb 2026 |
| 586 | SALLING HANSON | Otsego County, MI | Oil & Gas Property | Apr 2004 |
| 587 | SALLING HANSON | Crawford County, MI | Oil & Gas Property | Mar 2026 |
| 588 | SAMKOWIAK | Otsego County, MI | Oil & Gas Property | Mar 2026 |
| 589 | SANDBERG | Ingham County, MI | Oil & Gas Property | Jan 2026 |
| 590 | SATURDAY NI | Antrim County, MI | Gas Property | Feb 2026 |
| 591 | SAVOY & HUBBEL 1-22 | Montmorency County, MI | Oil & Gas Property | Mar 2026 |
| 592 | SCHAAP | Allegan County, MI | Gas Property | Mar 1991 |
| 593 | SCHAAP | Allegan County, MI | Oil Property | Feb 2026 |
| 594 | SCHAAP, E | Allegan County, MI | Oil Property | Sep 2025 |
| 595 | SCHEFFLER | Ingham County, MI | Oil & Gas Property | Feb 2026 |
| 596 | SCHEMBER | Gladwin County, MI | Oil Property | Apr 2025 |
| 597 | SCHIMKE | Manistee County, MI | Oil & Gas Property | Mar 2026 |
| 598 | SCHMIDT | Bay County, MI | Oil Property | Dec 2025 |
| 599 | SCHMIDT | Manistee County, MI | Oil & Gas Property | Jul 2001 |
| 600 | SCHMUCKAL | Grand Traverse County, MI | Oil & Gas Property | Mar 2026 |