| 13101 | OKARCHE | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13102 | OKC 1 | Oklahoma County, OK | Oil & Gas Property | Jan 2018 |
| 13103 | OKC 2 | Oklahoma County, OK | Oil & Gas Property | Jan 2018 |
| 13104 | OKC 3 | Oklahoma County, OK | Oil & Gas Property | Mar 2016 |
| 13105 | OKC 4 | Oklahoma County, OK | Oil & Gas Property | Mar 2016 |
| 13106 | OKFUSKA | Seminole County, OK | Oil Property | Mar 2026 |
| 13107 | OKIE | Major County, OK | Oil & Gas Property | Sep 2023 |
| 13108 | OKIE STATE 33-28-12 1H | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 13109 | OKLAHOMA | Cimarron County, OK | Oil & Gas Property | May 2026 |
| 13110 | OKLAHOMA | Grant County, OK | Oil & Gas Property | May 2026 |
| 13111 | OKLAHOMA | Beaver County, OK | Oil & Gas Property | Aug 2025 |
| 13112 | OKLAHOMA | Major County, OK | Oil & Gas Property | May 2026 |
| 13113 | OKLAHOMA | Texas County, OK | Gas Property | Apr 2026 |
| 13114 | OKLAHOMA STATE | Texas County, OK | Oil & Gas Property | Mar 2026 |
| 13115 | OKLAHOMA STATE UNIT J1-34 | Texas County, OK | Oil & Gas Property | Apr 2026 |
| 13116 | OKMULGEE MANNING | Okmulgee County, OK | Oil Property | Jul 2025 |
| 13117 | OKORONKWO | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13118 | OLAN | Le Flore County, OK | Gas Property | Apr 2026 |
| 13119 | OLD BEAR WOMAN BIA | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 13120 | OLD CRAB 1506 | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 13121 | OLD FAITHFUL | Woods County, OK | Oil & Gas Property | Nov 2015 |
| 13122 | OLD GLORY 16/28 AP | Ellis County, OK | Oil & Gas Property | Apr 2026 |
| 13123 | OLD GLORY 5-8-10 | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 13124 | OLD RICKYS RIDGE 31_30-14N-7W | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13125 | OLD WOMAN | Blaine County, OK | Oil & Gas Property | Sep 2025 |
| 13126 | OLDFIELD | Beckham County, OK | Oil & Gas Property | Apr 2026 |
| 13127 | OLDHAM | Pawnee County, OK | Oil & Gas Property | May 2026 |
| 13128 | OLEN SLEDGE | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 13129 | OLGA MARTENS | Major County, OK | Oil & Gas Property | Dec 2017 |
| 13130 | OLIPHANT | Hughes County, OK | Oil & Gas Property | Mar 2022 |
| 13131 | OLIVE | Payne County, OK | Oil Property | Jun 2000 |
| 13132 | OLIVE JUNE | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 13133 | OLIVER | Texas County, OK | Gas Property | Apr 2026 |
| 13134 | OLIVER | Stephens County, OK | Oil Property | May 2026 |
| 13135 | OLIVER | Haskell County, OK | Oil & Gas Property | Apr 2026 |
| 13136 | OLIVER | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 13137 | OLIVER 1 | McClain County, OK | Oil & Gas Property | Apr 2026 |
| 13138 | OLIVER 1-24H | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 13139 | OLIVER 2012 | Major County, OK | Oil & Gas Property | May 2026 |
| 13140 | OLIVO | Pontotoc County, OK | Oil Property | Aug 2025 |
| 13141 | OLLENBERGER | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 13142 | OLLER | Creek County, OK | Oil Property | Aug 2023 |
| 13143 | OLLER | Creek County, OK | Oil & Gas Property | Apr 2026 |
| 13144 | OLLIE 14-13N | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13145 | OLLIE BEARD | Marshall County, OK | Oil & Gas Property | May 2026 |
| 13146 | OLMA COOK | Washita County, OK | Oil & Gas Property | Apr 2026 |
| 13147 | OLMSTEAD | Garvin County, OK | Oil & Gas Property | Apr 2026 |
| 13148 | OLSON | Oklahoma County, OK | Oil & Gas Property | Feb 2025 |
| 13149 | OLSON | Roger Mills County, OK | Oil & Gas Property | Apr 2026 |
| 13150 | OLSON | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 13151 | OLSON | Kay County, OK | Oil & Gas Property | Apr 2026 |
| 13152 | OLSON | Woods County, OK | Oil & Gas Property | May 2026 |
| 13153 | OLSON | Haskell County, OK | Gas Property | Apr 2026 |
| 13154 | OLSON B | Texas County, OK | Oil & Gas Property | Apr 2026 |
| 13155 | OLTMANNS | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 13156 | OLVER | Jefferson County, OK | Oil Property | Apr 2026 |
| 13157 | OLYMPIA | Lincoln County, OK | Oil & Gas Property | May 2026 |
| 13158 | OLYMPUS 1107 1 | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13159 | OMAHA | Carter County, OK | Oil & Gas Property | May 2026 |
| 13160 | OMER | Garvin County, OK | Oil & Gas Property | Apr 2026 |
| 13161 | OMMEN | Dewey County, OK | Oil & Gas Property | May 2026 |
| 13162 | OMMEN 16/9 | Custer County, OK | Oil & Gas Property | Apr 2026 |
| 13163 | ONEAL | Pittsburg County, OK | Gas Property | Apr 2026 |
| 13164 | ONEAL | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 13165 | ONEIL | Woods County, OK | Oil & Gas Property | Apr 2026 |
| 13166 | ONEILL | Logan County, OK | Oil & Gas Property | Sep 2016 |
| 13167 | ONEILL | Logan County, OK | Oil & Gas Property | Mar 2026 |
| 13168 | OORAH | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 13169 | OPAL | Beckham County, OK | Oil & Gas Property | May 2026 |
| 13170 | OPAL | Okmulgee County, OK | Gas Property | Dec 2014 |
| 13171 | OPAL | Major County, OK | Oil & Gas Property | Mar 2026 |
| 13172 | OPAL 2810 | Alfalfa County, OK | Oil & Gas Property | May 2026 |
| 13173 | OPAL 31 | Ellis County, OK | Oil & Gas Property | Apr 2026 |
| 13174 | OPAL BROWN | Nowata County, OK | Gas Property | Feb 2021 |
| 13175 | OPAL CASSIDY | Tillman County, OK | Oil Property | Nov 2024 |
| 13176 | OPAL REED | Beckham County, OK | Oil & Gas Property | Apr 2026 |
| 13177 | OPITZ | Caddo County, OK | Oil & Gas Property | Dec 2025 |
| 13178 | OPITZ | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 13179 | OPITZ | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 13180 | OPPEL | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 13181 | OPPEL | Kingfisher County, OK | Oil & Gas Property | Oct 2019 |
| 13182 | OPPEL | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 13183 | OPPEL | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 13184 | OPTIMO | Marshall County, OK | Oil & Gas Property | Apr 2026 |
| 13185 | OPUS ONE 1605 | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 13186 | OQUIN | Garfield County, OK | Oil & Gas Property | Apr 2026 |
| 13187 | ORA BREEDLOVE | Sequoyah County, OK | Gas Property | Apr 2026 |
| 13188 | ORA YODER | Mayes County, OK | Oil Property | Mar 2026 |
| 13189 | ORANGE SHERBET 17-10-6 | Grady County, OK | Oil & Gas Property | May 2026 |
| 13190 | ORBIE KIKER | Seminole County, OK | Oil Property | Apr 2026 |
| 13191 | ORBISON | Pittsburg County, OK | Oil & Gas Property | May 2026 |
| 13192 | ORBIT | Seminole County, OK | Oil & Gas Property | May 2026 |
| 13193 | ORCUTT | Creek County, OK | Oil Property | Apr 2026 |
| 13194 | OREN | Beckham County, OK | Oil & Gas Property | Apr 2026 |
| 13195 | ORENDORFF-FRAZIER | Muskogee County, OK | Oil & Gas Property | Apr 2007 |
| 13196 | OREO | McIntosh County, OK | Gas Property | Dec 2024 |
| 13197 | ORF 1 | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 13198 | ORGAIN | Roger Mills County, OK | Oil & Gas Property | Apr 2026 |
| 13199 | ORIN | Stephens County, OK | Oil & Gas Property | Apr 2026 |
| 13200 | ORION | Tulsa County, OK | Oil Property | Aug 2025 |