| 93901 | OKAGAWA | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 93902 | OKAGAWA FEDERAL | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 93903 | OKAPI | Brazos County, TX | Oil & Gas Property | Nov 2025 |
| 93904 | OKAPI STATE UNIT | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 93905 | OKARCHE | Pittsburg County, OK | Gas Property | Dec 2025 |
| 93906 | OKARCHE | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 93907 | OKARCHE | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 93908 | OKC 1 | Oklahoma County, OK | Oil & Gas Property | Jan 2018 |
| 93909 | OKC 2 | Oklahoma County, OK | Oil & Gas Property | Jan 2018 |
| 93910 | OKC 3 | Oklahoma County, OK | Oil & Gas Property | Mar 2016 |
| 93911 | OKC 4 | Oklahoma County, OK | Oil & Gas Property | Mar 2016 |
| 93912 | OKEEF | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 93913 | OKEEFE | Stanton County, KS | Gas Property | Sep 2025 |
| 93914 | OKEEFE | Archer County, TX | Oil & Gas Property | Mar 2020 |
| 93915 | OKEEFE | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 93916 | OKELL | Adams County, MS | Oil & Gas Property | Nov 2025 |
| 93917 | OKELLY | Adams County, MS | Oil Property | Feb 1986 |
| 93918 | OKELLY, OTHELL | Jones County, TX | Oil & Gas Property | Dec 2025 |
| 93919 | OKESON | Wallace County, KS | Oil & Gas Property | Sep 2025 |
| 93920 | OKFUSKA | Seminole County, OK | Oil Property | Dec 2025 |
| 93921 | OKIE | Major County, OK | Oil & Gas Property | Sep 2023 |
| 93922 | OKIE STATE 33-28-12 1H | Alfalfa County, OK | Oil & Gas Property | Dec 2025 |
| 93923 | OKINAWA 24-11 UNIT | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 93924 | OKLAHOMA | Cimarron County, OK | Oil & Gas Property | Jan 2026 |
| 93925 | OKLAHOMA | Grant County, OK | Oil & Gas Property | Jan 2026 |
| 93926 | OKLAHOMA | Beaver County, OK | Oil & Gas Property | Aug 2025 |
| 93927 | OKLAHOMA | Major County, OK | Oil & Gas Property | Jan 2026 |
| 93928 | OKLAHOMA | Texas County, OK | Gas Property | Dec 2025 |
| 93929 | OKLAHOMA 32 FEE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 93930 | OKLAHOMA GOLD 1-20 | Carter County, OK | Oil & Gas Property | Jan 2026 |
| 93931 | OKLAHOMA STATE | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 93932 | OKLAHOMA STATE UNIT J1-34 | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 93933 | OKMULGEE MANNING | Okmulgee County, OK | Oil Property | Jul 2025 |
| 93934 | OKORONKWO | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 93935 | OKTOBERFEST | San Juan County, NM | Oil & Gas Property | Aug 2025 |
| 93936 | OLA MCCANN | San Patricio County, TX | Oil & Gas Property | Nov 2025 |
| 93937 | OLAF 42X-11 | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 93938 | OLAF TUFTE B | Bottineau County, ND | Oil Property | Dec 1997 |
| 93939 | OLAJUWON | Freestone County, TX | Oil & Gas Property | Dec 2025 |
| 93940 | OLAN | Le Flore County, OK | Gas Property | Dec 2025 |
| 93941 | OLANDER | Rice County, KS | Oil & Gas Property | Sep 2025 |
| 93942 | OLANDER | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 93943 | OLANDER | Weld County, CO | Oil & Gas Property | May 2018 |
| 93944 | OLANDER CARL | Jones County, TX | Oil & Gas Property | Nov 2025 |
| 93945 | OLAUGHLIN | Hansford County, TX | Oil & Gas Property | Aug 2025 |
| 93946 | OLAUGHLIN | Palo Pinto County, TX | Oil & Gas Property | Dec 2025 |
| 93947 | OLAUGHLIN 1 | Kearny County, KS | Gas Property | Sep 2025 |
| 93948 | OLBERDING | Nemaha County, KS | Oil Property | Sep 2025 |
| 93949 | OLCESE | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 93950 | OLCESE ESTATE | Kern County, CA | Oil Property | Dec 2025 |
| 93951 | OLCOTT | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 93952 | OLCOTT D | Ward County, TX | Oil & Gas Property | Dec 2023 |
| 93953 | OLCOTT H. W | Gray County, TX | Gas Property | Dec 2025 |
| 93954 | OLCOTT NORTH A UNIT | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 93955 | OLCZAK | Greene County, PA | Gas Property | Jan 2026 |
| 93956 | OLD ARCHES 14-35MBH ULW | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 93957 | OLD BEAR USA 11-17H | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 93958 | OLD BEAR WOMAN BIA | Blaine County, OK | Oil & Gas Property | Dec 2025 |
| 93959 | OLD BLUE 25 | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 93960 | OLD BORDER | Toole County, MT | Oil Property | Feb 2026 |
| 93961 | OLD BRASS & NEEDLE | Montague County, TX | Oil & Gas Property | Dec 2021 |
| 93962 | OLD CRAB 1506 | Kingfisher County, OK | Oil & Gas Property | Dec 2025 |
| 93963 | OLD EDDY | Washington County, OH | Oil Property | Dec 2023 |
| 93964 | OLD FAITHFUL | Woods County, OK | Oil & Gas Property | Nov 2015 |
| 93965 | OLD FASHIONED 96-11 | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 93966 | OLD GLORY 16/28 AP | Ellis County, OK | Oil & Gas Property | Dec 2025 |
| 93967 | OLD GLORY 5-8-10 | Caddo County, OK | Oil & Gas Property | Dec 2025 |
| 93968 | OLD GLORY HOLE | Natrona County, WY | Oil Property | Oct 2018 |
| 93969 | OLD HICKORY | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 93970 | OLD HICKORY STATE | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 93971 | OLD HOME MANOR | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 93972 | OLD HUGH 18-09-11 | Kingfisher County, OK | Oil & Gas Property | Dec 2025 |
| 93973 | OLD INDIAN DRAW UNIT | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 93974 | OLD IRONSIDE 0405 | Pecos County, TX | Oil & Gas Property | Dec 2025 |
| 93975 | OLD LOCO UNIT | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 93976 | OLD MCDONALD FARM UNIT | Washington County, PA | Gas Property | Jan 2026 |
| 93977 | OLD MONARCH STATE 12 | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 93978 | OLD OAK FARM 6-10-3 | Jefferson County, OH | Gas Property | Dec 2025 |
| 93979 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Dec 2025 |
| 93980 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Nov 1993 |
| 93981 | OLD PARTNER | Loving County, TX | Oil & Gas Property | Dec 2025 |
| 93982 | OLD PARTNER 54-1-30 | Loving County, TX | Oil & Gas Property | Dec 2025 |
| 93983 | OLD RANCH CANYON 7 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2019 |
| 93984 | OLD RANCH KNOLL 8 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2015 |
| 93985 | OLD RICKYS RIDGE 31_30-14N-7W | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 93986 | OLD RIVER RANCH DIM | Dimmit County, TX | Oil & Gas Property | Dec 2025 |
| 93987 | OLD ROCK COM | Rio Arriba County, NM | Oil & Gas Property | Jan 2026 |
| 93988 | OLD ROSEBUD 1524-36 | Chaves County, NM | Oil & Gas Property | Oct 2025 |
| 93989 | OLD ROSEBUD 37 UNIT | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 93990 | OLD STONE BANK | Summit County, OH | Oil & Gas Property | Dec 2009 |
| 93991 | OLD SWITCHEROO 418 | Yoakum County, TX | Oil & Gas Property | Dec 2025 |
| 93992 | OLD TOWN | Johnson County, TX | Gas Property | Dec 2025 |
| 93993 | OLD TOWN BEAGLE CLUB | Clearfield County, PA | Gas Property | Dec 2025 |
| 93994 | OLD TOWN FARMS | Mason County, WV | Oil & Gas Property | Dec 2021 |
| 93995 | OLD TRADING POST | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 93996 | OLD VIC 1 | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 93997 | OLD WEATHERFORD | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 93998 | OLD WHIRLWIND | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 93999 | OLD WOMAN | Blaine County, OK | Oil & Gas Property | Sep 2025 |
| 94000 | OLD YUCCA | Reeves County, TX | Oil & Gas Property | Oct 2024 |