| 1501 | MARCHAND 3 | Indiana County, PA | Gas Property | Jun 2025 |
| 1502 | MARCHANT | Montague County, TX | Oil & Gas Property | May 2025 |
| 1503 | MARCHANT | Grady County, OK | Oil & Gas Property | May 2025 |
| 1504 | MARCHBANKS | Scurry County, TX | Oil & Gas Property | May 2025 |
| 1505 | MARCHBANKS | Howard County, TX | Oil & Gas Property | May 2025 |
| 1506 | MARCHBANKS | Duval County, TX | Oil & Gas Property | May 2025 |
| 1507 | MARCHBANKS-CADENA | Duval County, TX | Oil & Gas Property | Aug 2023 |
| 1508 | MARCHEZAK | Washington County, PA | Gas Property | Dec 2024 |
| 1509 | MARCHEZAK | Washington County, PA | Oil & Gas Property | Jun 2025 |
| 1510 | MARCHINI ZINGIESER | Bradford County, PA | Gas Property | Jun 2025 |
| 1511 | MARCHMAN | Young County, TX | Oil & Gas Property | May 2025 |
| 1512 | MARCHO W&M | Susquehanna County, PA | Gas Property | Jun 2025 |
| 1513 | MARCHUS | Pittsburg County, OK | Gas Property | May 2025 |
| 1514 | MARCIA 1-1 | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1515 | MARCIA 3-10 | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1516 | MARCIA GAIL | Campbell County, WY | Oil Property | Oct 1994 |
| 1517 | MARCIA SWAN | Jack County, TX | Oil & Gas Property | May 2025 |
| 1518 | MARCIA-SHELLY (SA) UNIT | Lavaca County, TX | Oil & Gas Property | May 2025 |
| 1519 | MARCO | Westmoreland County, PA | Gas Property | Jun 2025 |
| 1520 | MARCO | Westmoreland County, PA | Gas Property | Dec 2024 |
| 1521 | MARCO | Kern County, CA | Oil & Gas Property | May 2025 |
| 1522 | MARCO 160 | Reagan County, TX | Oil & Gas Property | May 2025 |
| 1523 | MARCO GAS UNIT | San Augustine County, TX | Oil & Gas Property | May 2025 |
| 1524 | MARCOM | Tillman County, OK | Oil Property | Jun 2025 |
| 1525 | MARCOM | Hockley County, TX | Oil & Gas Property | May 2025 |
| 1526 | MARCOTTE | Rooks County, KS | Oil Property | Mar 2025 |
| 1527 | MARCOTTE | Rooks County, KS | Oil Property | Apr 2025 |
| 1528 | MARCOTTE | San Juan County, NM | Oil & Gas Property | May 2025 |
| 1529 | MARCOTTE | Rooks County, KS | Oil Property | Apr 2025 |
| 1530 | MARCOTTE 1 | Haskell County, KS | Gas Property | Apr 2025 |
| 1531 | MARCOZZI, DEBRA 54 | Marion County, WV | Oil & Gas Property | Jan 2005 |
| 1532 | MARCUCCI JONES | Bradford County, PA | Gas Property | Jun 2025 |
| 1533 | MARCUM | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 1534 | MARCUM | Woods County, OK | Oil & Gas Property | Jun 2025 |
| 1535 | MARCUM | Mingo County, WV | Gas Property | Dec 2021 |
| 1536 | MARCUM | Estill County, KY | Oil Property | Nov 2022 |
| 1537 | MARCUM 1 | McClain County, OK | Oil & Gas Property | May 2025 |
| 1538 | MARCUS | Rio Arriba County, NM | Oil & Gas Property | Jun 2025 |
| 1539 | MARCUS | Garvin County, OK | Oil Property | May 2025 |
| 1540 | MARCUS | Fayette County, TX | Oil & Gas Property | May 2025 |
| 1541 | MARCUS | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1542 | MARCUS 1-30H | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1543 | MARCUS 8-26H | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 1544 | MARCUS J. FLEMING | Madison County, TX | Oil & Gas Property | May 2025 |
| 1545 | MARCUS MC | Creek County, OK | Oil & Gas Property | May 2025 |
| 1546 | MARCUS STATE | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1547 | MARCY | Weld County, CO | Oil & Gas Property | Dec 2021 |
| 1548 | MARCY | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1549 | MARCY | Edwards County, KS | Oil & Gas Property | Apr 2025 |
| 1550 | MARCY | Howard County, TX | Oil & Gas Property | May 2025 |
| 1551 | MARDIS | Pratt County, KS | Oil Property | Apr 2025 |
| 1552 | MARDIS | Pratt County, KS | Oil & Gas Property | Apr 2025 |
| 1553 | MARECEK 211 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 1554 | MAREK | Lee County, TX | Oil & Gas Property | May 2025 |
| 1555 | MAREK | Victoria County, TX | Oil & Gas Property | May 2025 |
| 1556 | MAREK | Lee County, TX | Oil & Gas Property | Dec 2014 |
| 1557 | MAREK 1 | Colorado County, TX | Oil & Gas Property | May 2025 |
| 1558 | MAREK EF UNIT | Burleson County, TX | Oil & Gas Property | May 2025 |
| 1559 | MAREK UNIT | Karnes County, TX | Oil & Gas Property | May 2025 |
| 1560 | MARES H. F. JR | Wise County, TX | Oil & Gas Property | May 2025 |
| 1561 | MARESH | Burleson County, TX | Oil Property | Apr 2025 |
| 1562 | MAREVA FARMS | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 1563 | MARGA | Sherman County, TX | Gas Property | May 2025 |
| 1564 | MARGARET | Caddo County, OK | Oil Property | Nov 2024 |
| 1565 | MARGARET | Lee County, TX | Oil & Gas Property | May 2025 |
| 1566 | MARGARET | Richland County, MT | Oil & Gas Property | Jun 2025 |
| 1567 | MARGARET | Crawford County, PA | Gas Property | Dec 2024 |
| 1568 | MARGARET | Elk County, KS | Oil Property | Apr 2025 |
| 1569 | MARGARET | Oklahoma County, OK | Oil & Gas Property | May 2014 |
| 1570 | MARGARET | Martin County, TX | Oil & Gas Property | May 2025 |
| 1571 | MARGARET | Garfield County, OK | Oil & Gas Property | May 2025 |
| 1572 | MARGARET | Stevens County, KS | Oil & Gas Property | Apr 2025 |
| 1573 | MARGARET | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 1574 | MARGARET | Pontotoc County, OK | Oil Property | Aug 2024 |
| 1575 | MARGARET | Indiana County, PA | Gas Property | Dec 2024 |
| 1576 | MARGARET | Sterling County, TX | Oil & Gas Property | May 2025 |
| 1577 | MARGARET | Armstrong County, PA | Gas Property | Dec 2024 |
| 1578 | MARGARET | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 1579 | MARGARET | Canadian County, OK | Oil & Gas Property | May 2025 |
| 1580 | MARGARET | Karnes County, TX | Oil & Gas Property | May 2025 |
| 1581 | MARGARET | Butler County, PA | Gas Property | Dec 2024 |
| 1582 | MARGARET 1 | Ellis County, OK | Oil & Gas Property | May 2025 |
| 1583 | MARGARET 2710 | Alfalfa County, OK | Oil & Gas Property | May 2025 |
| 1584 | MARGARET 36 | Irion County, TX | Oil & Gas Property | May 2025 |
| 1585 | MARGARET 41-28H | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 1586 | MARGARET 5-8 | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 1587 | MARGARET A. BEATY HEIRS BEATY | Marion County, WV | Gas Property | Dec 2021 |
| 1588 | MARGARET E BECK | Indiana County, PA | Gas Property | Dec 2024 |
| 1589 | MARGARET E SHOUP | Greene County, PA | Gas Property | Dec 2022 |
| 1590 | MARGARET E. PRICHARD | Stevens County, KS | Gas Property | Apr 2025 |
| 1591 | MARGARET EICHTHALER | Weld County, CO | Oil & Gas Property | Apr 2016 |
| 1592 | MARGARET ELIZABETH 4-33H | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1593 | MARGARET HAMILTON | Allegheny County, PA | Oil & Gas Property | Dec 2024 |
| 1594 | MARGARET L. GIBSON | Indiana County, PA | Gas Property | Dec 2024 |
| 1595 | MARGARET MARY | Midland County, TX | Oil & Gas Property | May 2025 |
| 1596 | MARGARET O | Canadian County, OK | Oil & Gas Property | Nov 2019 |
| 1597 | MARGARET ROEMER | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 1598 | MARGARET RQ STATE | Chaves County, NM | Gas Property | May 2025 |
| 1599 | MARGARET SPAULDING | Jackson County, CO | Oil & Gas Property | Oct 2013 |
| 1600 | MARGARET SUE KELLEY MARGARET SUE KELLEY | Wetzel County, WV | Oil & Gas Property | Dec 2021 |