| 501 | PALMITER | Calhoun County, MI | Oil Property | May 2025 |
| 502 | PALOMBIT | Otsego County, MI | Oil & Gas Property | Jan 1989 |
| 503 | PANASIUK, J | Arenac County, MI | Oil Property | Jan 2025 |
| 504 | PAPPAS | Isabella County, MI | Oil & Gas Property | May 2025 |
| 505 | PARCELLS | Grand Traverse County, MI | Oil & Gas Property | Apr 2025 |
| 506 | PARR | Presque Isle County, MI | Oil & Gas Property | May 2025 |
| 507 | PARSONS | Isabella County, MI | Oil Property | Apr 2025 |
| 508 | PATEL 18-1 | Kalamazoo County, MI | Oil & Gas Property | May 2025 |
| 509 | PAVLIS STATE GRANT | Grand Traverse County, MI | Oil & Gas Property | May 2025 |
| 510 | PEASE | Kalamazoo County, MI | Oil & Gas Property | May 2025 |
| 511 | PEAVY | Arenac County, MI | Oil Property | May 2025 |
| 512 | PEDERSON | Isabella County, MI | Oil Property | May 2025 |
| 513 | PENNFIELD 35 UNIT | Calhoun County, MI | Oil & Gas Property | Apr 2024 |
| 514 | PERCHA-STATE BLAIR 1-25 | Grand Traverse County, MI | Oil & Gas Property | Jun 2025 |
| 515 | PETERSEN | Montcalm County, MI | Oil Property | May 2025 |
| 516 | PEWINSKI | Otsego County, MI | Oil & Gas Property | Oct 2022 |
| 517 | PHOENIX PETROLEUM | Grand Traverse County, MI | Oil & Gas Property | Jun 2025 |
| 518 | PIASECKI | Otsego County, MI | Oil Property | Oct 1988 |
| 519 | PICKERAL LAKE | Otsego County, MI | Gas Property | May 2025 |
| 520 | PLAGANY | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 521 | PLEASANT VALLEY | Montmorency County, MI | Gas Property | May 2025 |
| 522 | PODSIADLIK | Arenac County, MI | Oil Property | May 2025 |
| 523 | POLLARD | Isabella County, MI | Oil & Gas Property | May 2025 |
| 524 | PORTER HOGAN | Roscommon County, MI | Oil Property | Dec 2024 |
| 525 | POTTS 2-19 | Lenawee County, MI | Oil & Gas Property | May 2025 |
| 526 | POTTS LAKE | Oscoda County, MI | Gas Property | May 2025 |
| 527 | PREVOST | Bay County, MI | Oil & Gas Property | May 2025 |
| 528 | PRITCHARD | Osceola County, MI | Oil Property | Feb 2025 |
| 529 | PROSCH | Grand Traverse County, MI | Oil & Gas Property | Aug 2024 |
| 530 | PROUT | Isabella County, MI | Oil Property | May 2025 |
| 531 | RAAB | Allegan County, MI | Oil Property | Mar 2025 |
| 532 | RACHOW-LATUSZEK | Otsego County, MI | Oil & Gas Property | Jun 2025 |
| 533 | RAPP, A | Ottawa County, MI | Oil Property | May 2025 |
| 534 | RAY-BRISKE 2-28 | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 535 | RAYL R & | Tuscola County, MI | Oil Property | Apr 2025 |
| 536 | REAMES, M | Missaukee County, MI | Oil Property | Dec 2006 |
| 537 | RECHSTEINER | Bay County, MI | Oil Property | Dec 2009 |
| 538 | RECKOW | Manistee County, MI | Oil & Gas Property | Apr 2025 |
| 539 | RENIHAN | Kent County, MI | Oil Property | Jul 2025 |
| 540 | RENSHAW 1-24 | Calhoun County, MI | Oil Property | May 2025 |
| 541 | RETZLOFF | Midland County, MI | Oil Property | Nov 2008 |
| 542 | RHOADS | Mecosta County, MI | Oil Property | Mar 2025 |
| 543 | RICCI | Kalkaska County, MI | Oil & Gas Property | Jun 2025 |
| 544 | RICCI UNIT | Kalkaska County, MI | Oil & Gas Property | Jun 2025 |
| 545 | RICHARDS | Livingston County, MI | Oil & Gas Property | Aug 2024 |
| 546 | RICHARDSON | Gladwin County, MI | Oil Property | May 2025 |
| 547 | RICHMOND, J | Midland County, MI | Oil Property | May 2025 |
| 548 | RICHTER | Bay County, MI | Oil Property | Mar 2000 |
| 549 | RIDDERING | Ottawa County, MI | Oil Property | May 2025 |
| 550 | RIVERSIDE SAND & GRAVEL | Kent County, MI | Oil Property | Jul 2025 |
| 551 | ROBBINS | Montcalm County, MI | Oil Property | May 2025 |
| 552 | ROBERTS | Ottawa County, MI | Oil Property | Jul 2025 |
| 553 | ROBINSON | Ogemaw County, MI | Oil & Gas Property | May 2025 |
| 554 | ROCKAFELLOW, W | Arenac County, MI | Oil Property | Dec 2024 |
| 555 | RODGERS, J | Isabella County, MI | Oil Property | May 2025 |
| 556 | ROGOS | Kalkaska County, MI | Oil & Gas Property | Nov 2024 |
| 557 | ROMA | Ogemaw County, MI | Oil Property | Jun 2025 |
| 558 | ROOD 2-22 | Montmorency County, MI | Oil & Gas Property | Jun 2025 |
| 559 | ROSEN TRUST | Montmorency County, MI | Oil Property | Sep 1988 |
| 560 | ROTARY CAMP | Grand Traverse County, MI | Oil & Gas Property | Jan 2025 |
| 561 | RUBA | Mason County, MI | Oil Property | Jan 2025 |
| 562 | RUCK | Gladwin County, MI | Oil Property | May 2025 |
| 563 | RUEGSEGGER | Bay County, MI | Oil Property | Dec 2009 |
| 564 | RUESINK | Lenawee County, MI | Oil & Gas Property | May 2025 |
| 565 | RUGGIERO | Manistee County, MI | Oil & Gas Property | May 1994 |
| 566 | RUPP STATE FOREST 1-21 | Cheboygan County, MI | Oil & Gas Property | Jun 2025 |
| 567 | RUSSELL | Isabella County, MI | Oil & Gas Property | May 2025 |
| 568 | RUZINSKI J | Allegan County, MI | Oil Property | Feb 2025 |
| 569 | SACKNER, W E | Kent County, MI | Oil Property | Dec 2024 |
| 570 | SAINT HELEN UNIT | Roscommon County, MI | Oil & Gas Property | May 2025 |
| 571 | SALLING HANSON | Otsego County, MI | Oil & Gas Property | Apr 2004 |
| 572 | SALLING HANSON | Crawford County, MI | Oil & Gas Property | Jun 2025 |
| 573 | SAMKOWIAK | Otsego County, MI | Oil & Gas Property | Jun 2025 |
| 574 | SANDBERG | Ingham County, MI | Oil & Gas Property | Apr 2025 |
| 575 | SATURDAY NI | Antrim County, MI | Gas Property | May 2025 |
| 576 | SAVOY & HUBBEL 1-22 | Montmorency County, MI | Oil & Gas Property | Jun 2025 |
| 577 | SCHAAP | Allegan County, MI | Gas Property | Apr 1999 |
| 578 | SCHAAP | Allegan County, MI | Oil Property | Mar 2025 |
| 579 | SCHAAP, E | Allegan County, MI | Oil Property | Sep 2024 |
| 580 | SCHEFFLER | Ingham County, MI | Oil & Gas Property | Apr 2025 |
| 581 | SCHEMBER | Gladwin County, MI | Oil Property | Apr 2025 |
| 582 | SCHIMKE | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 583 | SCHMIDT | Bay County, MI | Oil Property | Dec 2024 |
| 584 | SCHMUCKAL | Grand Traverse County, MI | Oil & Gas Property | Jun 2025 |
| 585 | SCHOEDEL | Manistee County, MI | Oil & Gas Property | Apr 2025 |
| 586 | SCHRADER | Otsego County, MI | Gas Property | Jun 2025 |
| 587 | SCHRADER | Manistee County, MI | Oil & Gas Property | Apr 2025 |
| 588 | SCHUBERT | Ogemaw County, MI | Oil Property | May 2025 |
| 589 | SCHUG 31 | Kalamazoo County, MI | Oil & Gas Property | May 2025 |
| 590 | SCHULTZ | Bay County, MI | Oil Property | Jun 2025 |
| 591 | SCHUMAN | Bay County, MI | Oil Property | May 2025 |
| 592 | SCHWALM | Roscommon County, MI | Oil & Gas Property | May 2025 |
| 593 | SCHWARTZ | Allegan County, MI | Oil Property | Jul 2024 |
| 594 | SCHWEITZER | Bay County, MI | Oil Property | Dec 2009 |
| 595 | SECOND NATIONAL B | Ogemaw County, MI | Oil Property | May 2025 |
| 596 | SEDELMAIER | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 597 | SEDLAR-JOHNSON | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 598 | SEELEY | Kalkaska County, MI | Oil & Gas Property | Jun 2025 |
| 599 | SEYMOUR 1-34 | Calhoun County, MI | Oil Property | May 2025 |
| 600 | SHAFFER | Gladwin County, MI | Oil Property | May 2025 |