| 92901 | OLSWICK CS | Campbell County, WY | Gas Property | Apr 2019 |
| 92902 | OLTJENBRUNS | Phillips County, CO | Gas Property | Aug 2023 |
| 92903 | OLTMANN | Madison County, TX | Oil & Gas Property | Dec 2024 |
| 92904 | OLTMANN | Finney County, KS | Gas Property | Sep 2005 |
| 92905 | OLTMANNS | Barton County, KS | Oil Property | Oct 2024 |
| 92906 | OLTMANNS | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 92907 | OLUFSEN | Howard County, TX | Oil & Gas Property | Jul 2023 |
| 92908 | OLYMPIA | Lincoln County, OK | Oil & Gas Property | Feb 2025 |
| 92909 | OLYMPIA | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 92910 | OLYMPIA 57-56 | Fisher County, TX | Oil & Gas Property | Jan 2025 |
| 92911 | OLYMPIA CORTE DYAS | Baldwin County, AL | Gas Property | Mar 1987 |
| 92912 | OLYMPIA MIN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 92913 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92914 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92915 | OLYMPIA MINERALS | Sabine Parish, LA | Gas Property | Dec 2024 |
| 92916 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil Property | Dec 2024 |
| 92917 | OLYMPIA MINERALS | Sabine Parish, LA | Oil Property | Dec 2024 |
| 92918 | OLYMPIA MINERALS | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 92919 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil & Gas Property | Jan 2025 |
| 92920 | OLYMPIAN | Duchesne County, UT | Oil & Gas Property | Jan 2025 |
| 92921 | OLYMPIC | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 92922 | OLYMPIC | Carbon County, WY | Oil & Gas Property | Nov 2024 |
| 92923 | OLYMPIC | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 92924 | OLYMPIC 54-2-7 | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 92925 | OLYMPIC COMMUNITY | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 92926 | OLYMPIC LAKE ESTATES 07 083 0 | Susquehanna County, PA | Gas Property | Feb 2025 |
| 92927 | OLYMPUS | Lipscomb County, TX | Oil & Gas Property | Jan 2025 |
| 92928 | OLYMPUS 1 | Ness County, KS | Oil Property | Dec 2024 |
| 92929 | OLYMPUS 1107 1 | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 92930 | OLYPHANT 57-T1-43X42 1H | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 92931 | OM ERICKSON 5501 11-18 4B | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 92932 | OMA MCMICHAEL GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 92933 | OMAHA | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 92934 | OMAHA | Irion County, TX | Oil & Gas Property | Jan 2025 |
| 92935 | OMAHA | Carter County, OK | Oil & Gas Property | Feb 2025 |
| 92936 | OMAHA 11 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 92937 | OMAHA 15 | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 92938 | OMAHA 175-176 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 92939 | OMAHA HOTEL | Ness County, KS | Oil Property | Jan 2011 |
| 92940 | OMAHA WOMAN 24-13-12H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92941 | OMAHA-WYOMING | Uinta County, WY | Oil & Gas Property | Oct 2024 |
| 92942 | OMAITS SMF JF | Jefferson County, OH | Gas Property | Dec 2024 |
| 92943 | OMALLEY 1 | Washington County, TX | Oil & Gas Property | Jan 2025 |
| 92944 | OMAN | Carbon County, UT | Gas Property | Mar 2016 |
| 92945 | OMAN | Jones County, TX | Oil Property | Jan 2022 |
| 92946 | OMAN KAROLYN | Shackelford County, TX | Oil & Gas Property | Dec 2019 |
| 92947 | OMAR | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 92948 | OMAR | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 92949 | OMAR | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 92950 | OMASTA | Westmoreland County, PA | Gas Property | Dec 2000 |
| 92951 | OMB 1 | Kern County, CA | Oil & Gas Property | Mar 2018 |
| 92952 | OMB 2 | Kern County, CA | Oil & Gas Property | Jun 2014 |
| 92953 | OMB 3 | Kern County, CA | Oil & Gas Property | Jan 2007 |
| 92954 | OMB 4 | Kern County, CA | Oil & Gas Property | Sep 2015 |
| 92955 | OMEGA | Blaine County, OK | Oil & Gas Property | Mar 2019 |
| 92956 | OMEGA | Ventura County, CA | Oil Property | Sep 1998 |
| 92957 | OMEGA 2308 03 | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 92958 | OMELET 151-94-16B-21H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92959 | OMELETTE STATE | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 92960 | OMELVENY PARK | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 92961 | OMER | Garvin County, OK | Oil & Gas Property | Jan 2025 |
| 92962 | OMER BECHTOL | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 92963 | OMLER | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 92964 | OMLID | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92965 | OMLID | McKenzie County, ND | Oil & Gas Property | Mar 2025 |
| 92966 | OMMEN | Dewey County, OK | Oil & Gas Property | Jan 2025 |
| 92967 | OMMEN | Dewey County, OK | Oil & Gas Property | Feb 2025 |
| 92968 | OMNI-FRAZIER | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 92969 | OMOHUNDRO | Wichita County, TX | Oil & Gas Property | Nov 2024 |
| 92970 | OMR (02-188 | Tioga County, PA | Gas Property | Feb 2025 |
| 92971 | OMURA 148-93-05D-06H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 92972 | ON THE BRINK 843-3 | Phillips County, CO | Gas Property | Sep 2023 |
| 92973 | ONA 44-3 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 92974 | ONA BLACK 49 | Wheeler County, TX | Oil & Gas Property | Dec 2024 |
| 92975 | ONAH | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 92976 | ONAN | Henderson County, KY | Oil Property | Oct 2015 |
| 92977 | ONAN | Union County, KY | Oil Property | Nov 2023 |
| 92978 | ONAT | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 92979 | ONC 00 | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 92980 | OND 0 | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 92981 | ONDRASEK | Rooks County, KS | Oil Property | Dec 2024 |
| 92982 | ONDRASEK OL UNIT | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 92983 | ONE EYED JOHN 522 | Yoakum County, TX | Oil & Gas Property | Jan 2025 |
| 92984 | ONE FEATHER USA | McLean County, ND | Oil & Gas Property | Feb 2025 |
| 92985 | ONEAL | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 92986 | ONEAL | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 92987 | ONEAL | Milam County, TX | Oil & Gas Property | Oct 2007 |
| 92988 | ONEAL | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 92989 | ONEAL | Franklin County, AR | Gas Property | Jun 2024 |
| 92990 | ONEAL | Carson County, TX | Oil & Gas Property | Jan 2025 |
| 92991 | ONEAL | Pittsburg County, OK | Gas Property | Jan 2025 |
| 92992 | ONEAL | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 92993 | ONEAL | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 92994 | ONEAL | Rapides Parish, LA | Oil & Gas Property | Dec 2024 |
| 92995 | ONEAL 09-16 | Conway County, AR | Gas Property | Jul 2024 |
| 92996 | ONEAL A | Wilson County, KS | Gas Property | Apr 2020 |
| 92997 | ONEAL B. J. -NORTH | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 92998 | ONEAL B.G. ETAL | Stephens County, TX | Oil & Gas Property | Dec 2024 |
| 92999 | ONEAL GAS UNIT | Bee County, TX | Oil & Gas Property | Jan 2025 |
| 93000 | ONEAL SAN ANDRES UNIT | Upton County, TX | Oil & Gas Property | Jan 2017 |