| 501 | ODELL | Midland County, MI | Oil Property | Jun 2026 |
| 502 | ODGERS | Manistee County, MI | Oil & Gas Property | Jun 2026 |
| 503 | ONEKAMA | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 504 | ORLA 1 | Ingham County, MI | Oil & Gas Property | Jun 2026 |
| 505 | OROSZ 1 | Kalamazoo County, MI | Oil & Gas Property | May 2026 |
| 506 | OTWAY | Midland County, MI | Oil Property | Jun 2026 |
| 507 | PAFFI | Montmorency County, MI | Gas Property | Jun 2026 |
| 508 | PAHKANEN | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 509 | PAIGE | Bay County, MI | Oil Property | Feb 2015 |
| 510 | PAINE | Osceola County, MI | Gas Property | May 2026 |
| 511 | PALMITER | Calhoun County, MI | Oil Property | Jun 2026 |
| 512 | PALOMBIT | Otsego County, MI | Oil & Gas Property | Jan 1989 |
| 513 | PANASIUK, J | Arenac County, MI | Oil Property | Jul 2026 |
| 514 | PAPPAS | Isabella County, MI | Oil & Gas Property | Jun 2026 |
| 515 | PARCELLS | Grand Traverse County, MI | Oil & Gas Property | Jun 2026 |
| 516 | PARR | Presque Isle County, MI | Oil & Gas Property | Jun 2026 |
| 517 | PARSONS | Isabella County, MI | Oil Property | Jun 2026 |
| 518 | PATEL 18-1 | Kalamazoo County, MI | Oil & Gas Property | May 2026 |
| 519 | PATEREK | Bay County, MI | Oil Property | Jan 2026 |
| 520 | PAVLIS STATE GRANT | Grand Traverse County, MI | Oil & Gas Property | Apr 2026 |
| 521 | PEASE | Kalamazoo County, MI | Oil & Gas Property | May 2026 |
| 522 | PEAVY | Arenac County, MI | Oil Property | Jun 2026 |
| 523 | PEDERSON | Isabella County, MI | Oil Property | Jun 2026 |
| 524 | PERCHA-STATE BLAIR 1-25 | Grand Traverse County, MI | Oil & Gas Property | Jul 2026 |
| 525 | PETERSEN | Montcalm County, MI | Oil Property | May 2026 |
| 526 | PEWINSKI | Otsego County, MI | Oil & Gas Property | Oct 2022 |
| 527 | PHOENIX PETROLEUM | Grand Traverse County, MI | Oil & Gas Property | Jul 2026 |
| 528 | PIASECKI | Otsego County, MI | Oil Property | Oct 1988 |
| 529 | PICKERAL LAKE | Otsego County, MI | Gas Property | Jun 2026 |
| 530 | PLAGANY | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 531 | PLEASANT VALLEY | Montmorency County, MI | Gas Property | Jun 2026 |
| 532 | PODSIADLIK | Arenac County, MI | Oil Property | Jun 2026 |
| 533 | POLLARD | Isabella County, MI | Oil & Gas Property | Jun 2026 |
| 534 | PORTER HOGAN | Roscommon County, MI | Oil Property | Jun 2026 |
| 535 | POTTS 2-19 | Lenawee County, MI | Oil & Gas Property | Mar 2026 |
| 536 | POTTS LAKE | Oscoda County, MI | Gas Property | Jun 2026 |
| 537 | PREVOST | Bay County, MI | Oil & Gas Property | Jun 2026 |
| 538 | PRITCHARD | Osceola County, MI | Oil Property | Feb 2025 |
| 539 | PROSCH | Grand Traverse County, MI | Oil & Gas Property | Feb 2026 |
| 540 | PROUT | Isabella County, MI | Oil Property | Jun 2026 |
| 541 | QUINNEY 1-24 | Oakland County, MI | Oil & Gas Property | Jun 2026 |
| 542 | RAAB | Allegan County, MI | Oil Property | Feb 2026 |
| 543 | RACHOW-LATUSZEK | Otsego County, MI | Oil & Gas Property | Jul 2026 |
| 544 | RAPP, A | Ottawa County, MI | Oil Property | May 2026 |
| 545 | RATAJCZAK 1-31 | Arenac County, MI | Oil Property | Jun 2026 |
| 546 | RAWLINGS | Grand Traverse County, MI | Oil & Gas Property | Oct 2025 |
| 547 | RAYL R & | Tuscola County, MI | Oil Property | May 2026 |
| 548 | REAMES, M | Missaukee County, MI | Oil Property | Dec 2006 |
| 549 | RECHSTEINER | Bay County, MI | Oil Property | Dec 2009 |
| 550 | RECKOW | Manistee County, MI | Oil & Gas Property | Jun 2026 |
| 551 | REFKE | Manistee County, MI | Oil & Gas Property | Jun 2026 |
| 552 | RENIHAN | Kent County, MI | Oil Property | Aug 2026 |
| 553 | RENSHAW 1-24 | Calhoun County, MI | Oil Property | Jun 2026 |
| 554 | RETZLOFF | Midland County, MI | Oil Property | Nov 2008 |
| 555 | RHOADS | Mecosta County, MI | Oil Property | Jun 2026 |
| 556 | RICCI | Kalkaska County, MI | Oil & Gas Property | Jul 2026 |
| 557 | RICCI UNIT | Kalkaska County, MI | Oil & Gas Property | Jul 2026 |
| 558 | RICHARDS | Livingston County, MI | Oil & Gas Property | Aug 2024 |
| 559 | RICHARDSON | Gladwin County, MI | Oil Property | Jun 2026 |
| 560 | RICHARDSON ET AL 1-30 | Jackson County, MI | Oil & Gas Property | Jun 2026 |
| 561 | RICHMOND, J | Midland County, MI | Oil Property | Jun 2026 |
| 562 | RICHTER | Bay County, MI | Oil Property | Mar 2000 |
| 563 | RIDDERING | Ottawa County, MI | Oil Property | Jun 2026 |
| 564 | RIVERSIDE SAND & GRAVEL | Kent County, MI | Oil Property | Aug 2026 |
| 565 | ROBBINS | Montcalm County, MI | Oil Property | Jun 2025 |
| 566 | ROBERTS | Ottawa County, MI | Oil Property | Aug 2026 |
| 567 | ROBINSON | Ogemaw County, MI | Oil & Gas Property | Jul 2026 |
| 568 | ROCKAFELLOW, W | Arenac County, MI | Oil Property | Dec 2025 |
| 569 | RODGERS, J | Isabella County, MI | Oil Property | Jun 2026 |
| 570 | ROGOS | Kalkaska County, MI | Oil & Gas Property | Nov 2024 |
| 571 | ROMA | Ogemaw County, MI | Oil Property | May 2026 |
| 572 | ROOD 2-22 | Montmorency County, MI | Oil & Gas Property | Jul 2026 |
| 573 | ROSEN TRUST | Montmorency County, MI | Oil Property | Sep 1988 |
| 574 | ROTARY CAMP | Grand Traverse County, MI | Oil & Gas Property | Apr 2026 |
| 575 | RUBA | Mason County, MI | Oil Property | Apr 2026 |
| 576 | RUCK | Gladwin County, MI | Oil Property | Jun 2026 |
| 577 | RUEGSEGGER | Bay County, MI | Oil Property | Dec 2009 |
| 578 | RUESINK | Lenawee County, MI | Oil & Gas Property | Mar 2026 |
| 579 | RUGGIERO | Manistee County, MI | Oil & Gas Property | May 1994 |
| 580 | RUSSELL | Isabella County, MI | Oil & Gas Property | Jun 2026 |
| 581 | RUZINSKI J | Allegan County, MI | Oil Property | May 2025 |
| 582 | SACKNER, W E | Kent County, MI | Oil Property | Dec 2025 |
| 583 | SAINT HELEN UNIT | Roscommon County, MI | Oil & Gas Property | May 2026 |
| 584 | SALLING HANSON | Otsego County, MI | Oil & Gas Property | Apr 2004 |
| 585 | SALLING HANSON | Crawford County, MI | Oil & Gas Property | Jul 2026 |
| 586 | SAMKOWIAK | Otsego County, MI | Oil & Gas Property | Jul 2026 |
| 587 | SANDBERG | Ingham County, MI | Oil & Gas Property | Jun 2026 |
| 588 | SATURDAY NI | Antrim County, MI | Gas Property | Jun 2026 |
| 589 | SAVOY & HUBBEL 1-22 | Montmorency County, MI | Oil & Gas Property | Jul 2026 |
| 590 | SCHAAP | Allegan County, MI | Gas Property | Mar 1991 |
| 591 | SCHAAP | Allegan County, MI | Oil Property | Apr 2026 |
| 592 | SCHAAP, E | Allegan County, MI | Oil Property | Sep 2025 |
| 593 | SCHEFFLER | Ingham County, MI | Oil & Gas Property | Jun 2026 |
| 594 | SCHEMBER | Gladwin County, MI | Oil Property | Jun 2026 |
| 595 | SCHIMKE | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 596 | SCHMIDT | Bay County, MI | Oil Property | Dec 2025 |
| 597 | SCHMIDT | Manistee County, MI | Oil & Gas Property | Jul 2001 |
| 598 | SCHMUCKAL | Grand Traverse County, MI | Oil & Gas Property | Jul 2026 |
| 599 | SCHOEDEL | Manistee County, MI | Oil & Gas Property | Jun 2026 |
| 600 | SCHRADER | Otsego County, MI | Gas Property | Jul 2026 |