| 94201 | ORANGE-GRAZIDE | Orange County, CA | Oil & Gas Property | Dec 1999 |
| 94202 | ORANGE-ROWLAND | Orange County, CA | Oil & Gas Property | Jul 2002 |
| 94203 | ORANGEVILLE | Emery County, UT | Gas Property | Jul 2024 |
| 94204 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 94205 | ORAVEC | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 94206 | ORBISON | Pittsburg County, OK | Oil & Gas Property | Jul 2025 |
| 94207 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | Aug 2025 |
| 94208 | ORBISON BO | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 94209 | ORBIT | Seminole County, OK | Oil & Gas Property | Jun 2025 |
| 94210 | ORBIT | Johnson County, WY | Oil & Gas Property | Aug 2025 |
| 94211 | ORBIT 1606 | Kingfisher County, OK | Oil & Gas Property | Jul 2025 |
| 94212 | ORBIT 24-13-12 | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 94213 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | Aug 2025 |
| 94214 | ORBWEAVER 149-92-32C-29H | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 94215 | ORC 21179 | Belmont County, OH | Gas Property | Jun 2025 |
| 94216 | ORC 211792 2A | Belmont County, OH | Gas Property | Jun 2025 |
| 94217 | ORCA FEDERAL | Mountrail County, ND | Oil & Gas Property | Aug 2025 |
| 94218 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | Aug 2025 |
| 94219 | ORCAS STATE 5601 13-16 | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 94220 | ORCHARD | Park County, WY | Oil & Gas Property | Aug 2025 |
| 94221 | ORCHARD | Kern County, CA | Oil & Gas Property | May 1988 |
| 94222 | ORCHARD | Mesa County, CO | Oil & Gas Property | Aug 2025 |
| 94223 | ORCHARD | Hot Springs County, WY | Oil & Gas Property | Aug 2025 |
| 94224 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | Aug 2025 |
| 94225 | ORCHARD CS | Campbell County, WY | Gas Property | Dec 2015 |
| 94226 | ORCHARD L. B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 94227 | ORCHARD SB | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 94228 | ORCHARD UNIT | Mesa County, CO | Oil & Gas Property | Aug 2025 |
| 94229 | ORCHID 1-13 | Campbell County, WY | Oil Property | Aug 2025 |
| 94230 | ORCUTT | Santa Barbara County, CA | Oil & Gas Property | Jul 2004 |
| 94231 | ORCUTT | Creek County, OK | Oil Property | Jun 2025 |
| 94232 | ORCUTT | Ventura County, CA | Oil & Gas Property | Sep 2025 |
| 94233 | ORCUTT | Chautauqua County, NY | Gas Property | Dec 2024 |
| 94234 | ORCUTT 1 | Los Angeles County, CA | Oil & Gas Property | Sep 2025 |
| 94235 | ORD NAN D | Young County, TX | Oil & Gas Property | Aug 2025 |
| 94236 | ORD, MAUDIE | Monongalia County, WV | Gas Property | Dec 2013 |
| 94237 | ORDEAN FEDERAL 5300 24-25T | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 94238 | ORDUNO | Los Angeles County, CA | Oil & Gas Property | Aug 2025 |
| 94239 | ORDWAY | Rooks County, KS | Oil Property | Jun 2025 |
| 94240 | ORDWAY 1-26H | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 94241 | ORE IDA 14 FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 94242 | OREAR, DANNY E | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 94243 | OREDIGGER | Gonzales County, TX | Oil & Gas Property | Aug 2025 |
| 94244 | OREDIGGER | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 94245 | OREILLY WA | Ector County, TX | Oil & Gas Property | Aug 2025 |
| 94246 | OREL HERSHISER 32-41 | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 94247 | OREL HERSHISER 41-32 | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 94248 | ORELIA RANCH | Frio County, TX | Oil & Gas Property | Aug 2025 |
| 94249 | ORELLA | Santa Barbara County, CA | Oil & Gas Property | Jan 1989 |
| 94250 | ORELLANA | Irion County, TX | Oil & Gas Property | Aug 2025 |
| 94251 | OREM | Moore County, TX | Gas Property | Aug 2025 |
| 94252 | OREN | Beckham County, OK | Oil & Gas Property | Jul 2025 |
| 94253 | OREN USA 31-6TFH | Mountrail County, ND | Oil & Gas Property | Sep 2025 |
| 94254 | ORENCHUK RUSSELL 11890 | Washington County, PA | Gas Property | Aug 2025 |
| 94255 | ORENDORFF-FRAZIER | Muskogee County, OK | Oil & Gas Property | Apr 2007 |
| 94256 | OREO | McIntosh County, OK | Gas Property | Dec 2024 |
| 94257 | ORF 1 | Caddo County, OK | Oil & Gas Property | Jul 2025 |
| 94258 | ORF 1-17H | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 94259 | ORGAIN | Liberty County, TX | Oil & Gas Property | Jun 2025 |
| 94260 | ORGAIN | Roger Mills County, OK | Oil & Gas Property | Jul 2025 |
| 94261 | ORGAIN B. D | Hardin County, TX | Oil & Gas Property | Dec 2024 |
| 94262 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | Aug 2025 |
| 94263 | ORGANIC | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 94264 | ORIE LOVE | Sumner County, KS | Oil Property | Sep 2024 |
| 94265 | ORIENT | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 94266 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 94267 | ORIGAMI | Kern County, CA | Oil & Gas Property | Aug 2025 |
| 94268 | ORIN | Stephens County, OK | Oil & Gas Property | Jul 2025 |
| 94269 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Aug 2025 |
| 94270 | ORIN LEE NEAL | Jefferson County, PA | Gas Property | Dec 2024 |
| 94271 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 94272 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 94273 | ORION | Tulsa County, OK | Oil Property | Apr 2025 |
| 94274 | ORION | Atascosa County, TX | Oil & Gas Property | Aug 2025 |
| 94275 | ORION | Loving County, TX | Oil & Gas Property | Aug 2025 |
| 94276 | ORION | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 94277 | ORION | Uintah County, UT | Oil & Gas Property | Aug 2025 |
| 94278 | ORION 1H | Frio County, TX | Oil & Gas Property | Aug 2025 |
| 94279 | ORION FEDERAL 5792 42-20H | Mountrail County, ND | Oil & Gas Property | Aug 2025 |
| 94280 | ORION UNIT | Shelby County, TX | Gas Property | Aug 2025 |
| 94281 | ORIS | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 94282 | ORIS M. SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Dec 2024 |
| 94283 | ORIVA | Campbell County, WY | Gas Property | Dec 2011 |
| 94284 | ORIVA FEDERAL | Campbell County, WY | Gas Property | Sep 2025 |
| 94285 | ORIVE A | Starr County, TX | Oil & Gas Property | Aug 2025 |
| 94286 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 94287 | ORLA 1 | Ingham County, MI | Oil & Gas Property | Aug 2025 |
| 94288 | ORLAND UNIT | Glenn County, CA | Gas Property | Apr 1986 |
| 94289 | ORLANDI, INC. ( | Kanawha County, WV | Gas Property | Dec 2021 |
| 94290 | ORLANDI, JO | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 94291 | ORLANDI, JOSEPH | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 94292 | ORLANDI, JOSEPH TRUSTEE | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 94293 | ORLANDO HARMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 94294 | ORLEANS LEVEE | Plaquemines Parish, LA | Oil & Gas Property | Jul 2011 |
| 94295 | ORLOFF | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 94296 | ORLOFF | Kern County, CA | Oil Property | Jul 1993 |
| 94297 | ORLOSKY | Mercer County, PA | Gas Property | Dec 2024 |
| 94298 | ORLYNNE 2-3H | Divide County, ND | Oil & Gas Property | Aug 2025 |
| 94299 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | Aug 2025 |
| 94300 | ORMET | Monroe County, OH | Oil & Gas Property | Jun 2025 |