| 92601 | OLSON, R.H | Bastrop County, TX | Oil & Gas Property | Feb 2026 |
| 92602 | OLSON-BAKER UNIT | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 92603 | OLSON-BK-BURGS A U | Live Oak County, TX | Oil & Gas Property | Apr 2026 |
| 92604 | OLSON-BKR-GNZLS U | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 92605 | OLSON-ESSE UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 92606 | OLSON-GAP | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 92607 | OLSON-JENNY | Toole County, MT | Gas Property | Feb 2026 |
| 92608 | OLSSON | Moore County, TX | Gas Property | Mar 2026 |
| 92609 | OLSSON | Saline County, KS | Oil Property | Jul 2002 |
| 92610 | OLSWICK CS | Campbell County, WY | Gas Property | Apr 2019 |
| 92611 | OLTJENBRUNS | Phillips County, CO | Gas Property | Aug 2023 |
| 92612 | OLTMANN | Finney County, KS | Gas Property | Sep 2005 |
| 92613 | OLTMANNS | Barton County, KS | Oil Property | Feb 2026 |
| 92614 | OLTMANNS | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 92615 | OLUFSEN | Howard County, TX | Oil & Gas Property | Jul 2023 |
| 92616 | OLVER | Jefferson County, OK | Oil Property | Jan 2026 |
| 92617 | OLYMPIA | Lincoln County, OK | Oil & Gas Property | Mar 2026 |
| 92618 | OLYMPIA | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 92619 | OLYMPIA 36-2 | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 92620 | OLYMPIA 57-56 | Fisher County, TX | Oil & Gas Property | Mar 2026 |
| 92621 | OLYMPIA CORTE DYAS | Baldwin County, AL | Gas Property | Mar 1987 |
| 92622 | OLYMPIA FIELDS | San Augustine County, TX | Gas Property | Mar 2026 |
| 92623 | OLYMPIA MIN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 92624 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92625 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92626 | OLYMPIA MINERALS | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92627 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil Property | Dec 2024 |
| 92628 | OLYMPIA MINERALS | Sabine Parish, LA | Oil Property | Dec 2024 |
| 92629 | OLYMPIA MINERALS | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 92630 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil & Gas Property | Jan 2025 |
| 92631 | OLYMPIAN | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 92632 | OLYMPIC | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 92633 | OLYMPIC | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 92634 | OLYMPIC | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 92635 | OLYMPIC 54-2-7 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 92636 | OLYMPIC COMMUNITY | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 92637 | OLYMPIC LAKE ESTATES 07 083 0 | Susquehanna County, PA | Gas Property | Mar 2026 |
| 92638 | OLYMPUS | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 92639 | OLYMPUS 1 | Ness County, KS | Oil Property | Feb 2026 |
| 92640 | OLYMPUS 1107 1 | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 92641 | OLYPHANT 57-T1-43X42 1H | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 92642 | OM ERICKSON 5501 11-18 4B | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 92643 | OMA MCMICHAEL GAS UNIT | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 92644 | OMAHA | Kern County, CA | Oil & Gas Property | Feb 2026 |
| 92645 | OMAHA | Irion County, TX | Oil & Gas Property | Mar 2026 |
| 92646 | OMAHA | Carter County, OK | Oil & Gas Property | Mar 2026 |
| 92647 | OMAHA 11 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 92648 | OMAHA 15 | Hemphill County, TX | Oil & Gas Property | Mar 2026 |
| 92649 | OMAHA 175-176 | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 92650 | OMAHA 36 31 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 92651 | OMAHA HOTEL | Ness County, KS | Oil Property | Jan 2011 |
| 92652 | OMAHA WOMAN 24-13-12H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 92653 | OMAHA-WYOMING | Uinta County, WY | Oil & Gas Property | Dec 2025 |
| 92654 | OMAITS SMF JF | Jefferson County, OH | Gas Property | Mar 2026 |
| 92655 | OMALLEY 1 | Washington County, TX | Oil & Gas Property | Mar 2026 |
| 92656 | OMAN | Carbon County, UT | Gas Property | Mar 2016 |
| 92657 | OMAN | Jones County, TX | Oil Property | Jan 2022 |
| 92658 | OMAN KAROLYN | Shackelford County, TX | Oil & Gas Property | Dec 2019 |
| 92659 | OMAR | Kern County, CA | Oil & Gas Property | Feb 2026 |
| 92660 | OMAR | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 92661 | OMAR | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 92662 | OMB 1 | Kern County, CA | Oil & Gas Property | Mar 2018 |
| 92663 | OMB 2 | Kern County, CA | Oil & Gas Property | Jun 2014 |
| 92664 | OMB 3 | Kern County, CA | Oil & Gas Property | Jan 2007 |
| 92665 | OMB 4 | Kern County, CA | Oil & Gas Property | Sep 2015 |
| 92666 | OMEGA | Ventura County, CA | Oil Property | Sep 1998 |
| 92667 | OMEGA 2308 03 | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 92668 | OMEGA UNIT | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 92669 | OMELET 151-94-16B-21H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 92670 | OMELETTE STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 92671 | OMELVENY PARK | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 92672 | OMER | Garvin County, OK | Oil & Gas Property | Apr 2026 |
| 92673 | OMER BECHTOL | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 92674 | OMLER | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 92675 | OMLID | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 92676 | OMLID | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 92677 | OMMEN | Dewey County, OK | Oil & Gas Property | Apr 2026 |
| 92678 | OMMEN 16/9 | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 92679 | OMNI-FRAZIER | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 92680 | OMOHUNDRO | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 92681 | OMR (02-188 | Tioga County, PA | Gas Property | Mar 2026 |
| 92682 | OMURA 148-93-05D-06H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 92683 | ONA 44-3 | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 92684 | ONA BLACK 49 | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 92685 | ONAH | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 92686 | ONAN | Henderson County, KY | Oil Property | Oct 2015 |
| 92687 | ONAN | Union County, KY | Oil Property | Nov 2023 |
| 92688 | ONAT | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 92689 | ONC 00 | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 92690 | OND 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 92691 | OND 1-2 | Rush County, KS | Oil Property | Feb 2026 |
| 92692 | ONDRASEK | Rooks County, KS | Oil Property | Feb 2026 |
| 92693 | ONDRASEK MELVIN | Burleson County, TX | Oil & Gas Property | Jul 1993 |
| 92694 | ONDRASEK OL UNIT | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 92695 | ONE EYED JOHN 522 | Yoakum County, TX | Oil & Gas Property | Mar 2026 |
| 92696 | ONE FEATHER USA | McLean County, ND | Oil & Gas Property | Apr 2026 |
| 92697 | ONEAL | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 92698 | ONEAL | Milam County, TX | Oil & Gas Property | Oct 2007 |
| 92699 | ONEAL | Gray County, TX | Oil & Gas Property | Oct 2020 |
| 92700 | ONEAL | Cooke County, TX | Oil & Gas Property | Mar 2026 |