| 1601 | OSBURN | Concho County, TX | Oil Property | Jul 2021 |
| 1602 | OSBURN 1-26 | Pawnee County, OK | Oil & Gas Property | Feb 2025 |
| 1603 | OSBURN E | Muskingum County, OH | Oil & Gas Property | Dec 2019 |
| 1604 | OSBURN WENDELL | Wise County, TX | Oil & Gas Property | Mar 2025 |
| 1605 | OSBURN, GRADEN | Hopkins County, KY | Oil Property | Oct 2019 |
| 1606 | OSCAR | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1607 | OSCAR | Divide County, ND | Oil & Gas Property | Apr 2025 |
| 1608 | OSCAR | Stafford County, KS | Oil Property | Feb 2025 |
| 1609 | OSCAR | Scurry County, TX | Oil & Gas Property | Mar 2025 |
| 1610 | OSCAR | Okfuskee County, OK | Gas Property | May 2024 |
| 1611 | OSCAR | Acadia Parish, LA | Oil & Gas Property | Oct 2010 |
| 1612 | OSCAR 1-25H | Divide County, ND | Oil & Gas Property | Apr 2025 |
| 1613 | OSCAR 23 11 ED | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 1614 | OSCAR B GRANT | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 1615 | OSCAR BENDER | Russell County, KS | Oil Property | Dec 1984 |
| 1616 | OSCAR C BENSON | Jefferson County, PA | Gas Property | Dec 2024 |
| 1617 | OSCAR COLLINS | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 1618 | OSCAR EARL HOUSER | Armstrong County, PA | Gas Property | Dec 2024 |
| 1619 | OSCAR FLICK 1-26H | Roger Mills County, OK | Oil & Gas Property | Feb 2025 |
| 1620 | OSCAR FOSSUM | Bottineau County, ND | Oil Property | Apr 2025 |
| 1621 | OSCAR J DRESSLER | Clearfield County, PA | Gas Property | Dec 2024 |
| 1622 | OSCAR KROENKE | Crawford County, KS | Oil Property | Dec 2018 |
| 1623 | OSCAR LU | McIntosh County, OK | Oil & Gas Property | Feb 2025 |
| 1624 | OSCAR MILLER | Stafford County, KS | Oil Property | Oct 2005 |
| 1625 | OSCAR STOHLER 41-4H | Dunn County, ND | Oil & Gas Property | Apr 2025 |
| 1626 | OSCAR THORSON USA 41-8TFH-2B | Mountrail County, ND | Oil & Gas Property | Apr 2025 |
| 1627 | OSCAR Y1 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 1628 | OSCEOLA MCELROY HEIRS (AW) | Harrison County, TX | Oil & Gas Property | Mar 2025 |
| 1629 | OSCEOLA-ELDRIDGE BIVINS (AW) 1H | Harrison County, TX | Oil & Gas Property | Mar 2025 |
| 1630 | OSCU II 1 | Uintah County, UT | Oil & Gas Property | Apr 2025 |
| 1631 | OSD 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1632 | OSEN 6192 43-21T | Burke County, ND | Oil & Gas Property | Apr 2025 |
| 1633 | OSF 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1634 | OSG 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1635 | OSH D 2 | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 1636 | OSHEA | San Juan County, NM | Oil & Gas Property | May 2020 |
| 1637 | OSIE | Pittsburg County, OK | Gas Property | Sep 2022 |
| 1638 | OSIKA | Jack County, TX | Oil & Gas Property | Jun 2013 |
| 1639 | OSINA | Fayette County, TX | Oil & Gas Property | Mar 2025 |
| 1640 | OSJ 00 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1641 | OSKARSON | Weld County, CO | Oil & Gas Property | Jun 2024 |
| 1642 | OSKING USA 14-12H | Dunn County, ND | Oil & Gas Property | Apr 2025 |
| 1643 | OSLER | Tarrant County, TX | Gas Property | Mar 2025 |
| 1644 | OSLER (1 | Liberty County, MT | Gas Property | Feb 2025 |
| 1645 | OSLEY | Fayette County, PA | Gas Property | Dec 2024 |
| 1646 | OSM 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1647 | OSMAN | Stevens County, KS | Gas Property | Feb 2025 |
| 1648 | OSMENT | Tuscaloosa County, AL | Gas Property | Mar 2025 |
| 1649 | OSMIUM 147-93-17B-20H | Dunn County, ND | Oil & Gas Property | Apr 2025 |
| 1650 | OSMOND | Kiowa County, OK | Gas Property | Mar 2008 |
| 1651 | OSMOND 1-3H | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 1652 | OSMOND-M | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 1653 | OSMUND 34-9TFH | Dunn County, ND | Oil & Gas Property | Apr 2025 |
| 1654 | OSMUS | Blaine County, OK | Oil & Gas Property | Feb 2025 |
| 1655 | OSMUS | Yuma County, CO | Gas Property | Mar 2025 |
| 1656 | OSMUS 22&15-20-10 | Major County, OK | Oil & Gas Property | Feb 2025 |
| 1657 | OSO 1H | Winkler County, TX | Oil & Gas Property | Mar 2025 |
| 1658 | OSO CANYON | Rio Arriba County, NM | Oil & Gas Property | Oct 2000 |
| 1659 | OSPREY | Jim Hogg County, TX | Oil & Gas Property | Nov 2023 |
| 1660 | OSPREY | Tarrant County, TX | Gas Property | Mar 2025 |
| 1661 | OSPREY 1-10-15XH | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 1662 | OSPREY 10 | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 1663 | OSPREY 20 STATE COM | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 1664 | OSPREY 5401 | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 1665 | OSPREY FEDERAL | Mountrail County, ND | Oil & Gas Property | Apr 2025 |
| 1666 | OSPREY STATE UNIT | Loving County, TX | Oil & Gas Property | Mar 2025 |
| 1667 | OSPREY STATE WEST UNIT | Pecos County, TX | Oil & Gas Property | Mar 2025 |
| 1668 | OSR-HALLIDAY | Madison County, TX | Oil & Gas Property | Feb 2025 |
| 1669 | OSR/KIRBY | Reagan County, TX | Oil & Gas Property | Mar 2025 |
| 1670 | OSSESIA | Clarion County, PA | Gas Property | Dec 2024 |
| 1671 | OSSESSIA | Clarion County, PA | Gas Property | Dec 2024 |
| 1672 | OSSMAN | Chautauqua County, NY | Gas Property | Dec 2023 |
| 1673 | OST 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1674 | OST ESTATE | Weston County, WY | Oil Property | Jun 1995 |
| 1675 | OSTBY | Sheridan County, MT | Oil & Gas Property | Mar 2025 |
| 1676 | OSTEEN W. N | Caldwell County, TX | Oil & Gas Property | Oct 2024 |
| 1677 | OSTER | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 1678 | OSTER | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 1679 | OSTER | Weld County, CO | Oil & Gas Property | Feb 2016 |
| 1680 | OSTER SAND & GRAVEL | Stark County, OH | Oil & Gas Property | Dec 2022 |
| 1681 | OSTERBERG | Renville County, ND | Oil Property | Dec 2012 |
| 1682 | OSTGREN | Kimball County, NE | Oil Property | Dec 2024 |
| 1683 | OSTLAND | Park County, WY | Oil & Gas Property | Apr 2025 |
| 1684 | OSTLER 7-20C4 | Duchesne County, UT | Oil & Gas Property | Mar 2025 |
| 1685 | OSTLUND | McPherson County, KS | Oil Property | Feb 2025 |
| 1686 | OSTLUND | Campbell County, WY | Oil & Gas Property | Aug 2011 |
| 1687 | OSTLUND 11-14 | Mountrail County, ND | Oil & Gas Property | Apr 2025 |
| 1688 | OSTLUND-PATENTED | Campbell County, WY | Oil & Gas Property | Sep 1992 |
| 1689 | OSTMEYER | Thomas County, KS | Oil Property | Feb 2025 |
| 1690 | OSTRANDER | Irion County, TX | Oil & Gas Property | Mar 2025 |
| 1691 | OSTRANDER | Cumberland County, KY | Oil Property | Dec 2011 |
| 1692 | OSTRANDER | Tioga County, PA | Gas Property | Mar 2025 |
| 1693 | OSTRICH | Greene County, PA | Gas Property | Mar 2025 |
| 1694 | OSU 2-25H | Washita County, OK | Oil & Gas Property | Feb 2025 |
| 1695 | OSUDO 33 STATE COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 1696 | OSUDO 9 STATE | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 1697 | OSUDO STATE COM | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 1698 | OSULLIVAN | Stafford County, KS | Oil & Gas Property | Feb 2025 |
| 1699 | OSW 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 1700 | OSWALD | Texas County, OK | Oil & Gas Property | Oct 2016 |