| 93301 | OTTERHOUND | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 93302 | OTTERHOUND HCX | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 93303 | OTTESEN | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 93304 | OTTESEN | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 93305 | OTTIS 20 | Kingfisher County, OK | Oil & Gas Property | Oct 2025 |
| 93306 | OTTIS LEWIS 2 | De Soto Parish, LA | Gas Property | Dec 2024 |
| 93307 | OTTLEY | Gove County, KS | Oil Property | May 2023 |
| 93308 | OTTLEY | Thomas County, KS | Oil Property | Apr 2025 |
| 93309 | OTTLEY | Gove County, KS | Oil Property | Feb 2026 |
| 93310 | OTTLEY | Logan County, KS | Oil Property | Feb 2026 |
| 93311 | OTTLEY | Thomas County, KS | Oil Property | Jan 2026 |
| 93312 | OTTLEY | Gove County, KS | Oil Property | Jan 2026 |
| 93313 | OTTMAN | Rosebud County, MT | Oil Property | Oct 2023 |
| 93314 | OTTO | Yuma County, CO | Gas Property | Apr 2026 |
| 93315 | OTTO | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 93316 | OTTO | Grayson County, TX | Oil & Gas Property | Mar 2026 |
| 93317 | OTTO | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 93318 | OTTO | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 93319 | OTTO | Kay County, OK | Oil & Gas Property | Apr 2026 |
| 93320 | OTTO | Thomas County, KS | Oil Property | Feb 2026 |
| 93321 | OTTO | Kay County, OK | Oil Property | Mar 2026 |
| 93322 | OTTO | Cooke County, TX | Oil & Gas Property | Feb 2026 |
| 93323 | OTTO 14-23H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 93324 | OTTO 1H | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 93325 | OTTO 31 | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 93326 | OTTO B ( | Woodson County, KS | Oil Property | Feb 2026 |
| 93327 | OTTO BARBY | Beaver County, OK | Oil & Gas Property | Oct 2023 |
| 93328 | OTTO BARBY | Beaver County, OK | Oil & Gas Property | Feb 2026 |
| 93329 | OTTO BARBY | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 93330 | OTTO BARBY | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 93331 | OTTO BARBY | Beaver County, OK | Oil & Gas Property | Jul 2025 |
| 93332 | OTTO CHEM | Elk County, PA | Gas Property | Dec 2025 |
| 93333 | OTTO GART | Seward County, KS | Gas Property | Apr 2025 |
| 93334 | OTTO GAS UNIT NO. 1 | Kleberg County, TX | Oil & Gas Property | Dec 2023 |
| 93335 | OTTO HOEME | Texas County, OK | Gas Property | Mar 2026 |
| 93336 | OTTO MAX | Atascosa County, TX | Oil & Gas Property | Oct 2015 |
| 93337 | OTTO ROBERTS | Woodward County, OK | Oil & Gas Property | Mar 2026 |
| 93338 | OTTO TURNER 2 | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 93339 | OTTO UNIT | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 93340 | OTTO UNIT 1H | McMullen County, TX | Gas Property | Mar 2026 |
| 93341 | OTTO WAECHTER | Kearny County, KS | Gas Property | Feb 2026 |
| 93342 | OTTO-HANCOCK 1HU | Monroe County, OH | Oil & Gas Property | Mar 2026 |
| 93343 | OTTO-HUNTSMAN | Monroe County, OH | Oil & Gas Property | Mar 2026 |
| 93344 | OTTO-JULIA 1HU | Monroe County, OH | Oil & Gas Property | Mar 2026 |
| 93345 | OTTO-WHIPPLE | McMullen County, TX | Oil & Gas Property | Mar 2026 |
| 93346 | OTTOSON | Weld County, CO | Oil & Gas Property | Jan 2016 |
| 93347 | OTTUSO 1-5H | Pittsburg County, OK | Gas Property | Mar 2026 |
| 93348 | OTWAY | Midland County, MI | Oil Property | Mar 2026 |
| 93349 | OU GB | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93350 | OU SG | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93351 | OU WIH | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93352 | OUDERKIRK | Rooks County, KS | Oil Property | Feb 2026 |
| 93353 | OUDERKIRK | Rooks County, KS | Oil Property | Oct 1989 |
| 93354 | OUGHTON | Kern County, CA | Oil & Gas Property | Feb 2026 |
| 93355 | OUIDA WILSON 45 | Roberts County, TX | Oil & Gas Property | Mar 2026 |
| 93356 | OUIMET STATE COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 93357 | OUKROP | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 93358 | OUR DIANE | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 93359 | OUR LAND | Harrison County, OH | Oil & Gas Property | Mar 2026 |
| 93360 | OURAY | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93361 | OURAY | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93362 | OURAY FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93363 | OURAY STATE | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 93364 | OURAY UT 4-13 4-3-13-36-7HX | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 93365 | OURAY VALLEY | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93366 | OURAY VLY | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 93367 | OURSLER | Butler County, KS | Oil Property | Dec 2025 |
| 93368 | OUT OF YOUR ELEMENT | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 93369 | OUTER BLACKS FORK | Uinta County, WY | Oil & Gas Property | Apr 2026 |
| 93370 | OUTHIER | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 93371 | OUTHIER | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 93372 | OUTLAND 1 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93373 | OUTLAND STATE UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93374 | OUTLAND WCA STATE UNIT 11 2 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93375 | OUTLAW | Pottawatomie County, OK | Oil Property | Mar 2026 |
| 93376 | OUTLAW | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 93377 | OUTLAW 22 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 93378 | OUTLAW 55-1-30 UNIT 1H | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 93379 | OUTLAW FLATS | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 93380 | OUTLAW GAP | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 93381 | OUTLAW STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 93382 | OUTLOOK | Sheridan County, MT | Oil & Gas Property | Aug 1996 |
| 93383 | OUTRIDER | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93384 | OUTRIDER 27 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93385 | OUTRIDER 28 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93386 | OUTRIGGER | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 93387 | OUTTERSIDE A. J | Galveston County, TX | Oil & Gas Property | Mar 2026 |
| 93388 | OV UNIT | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 93389 | OVATION FEDERAL COM 1318 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 93390 | OVER | Clarion County, PA | Gas Property | Dec 2025 |
| 93391 | OVER | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 93392 | OVERACKER | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 93393 | OVERALL | Anderson County, KS | Oil Property | Feb 2026 |
| 93394 | OVERALL | Coleman County, TX | Oil & Gas Property | Mar 2026 |
| 93395 | OVERALL | Reno County, KS | Oil & Gas Property | Feb 2026 |
| 93396 | OVERBEY | Wichita County, TX | Oil & Gas Property | Dec 2025 |
| 93397 | OVERBEY 28-14 #1 | Conecuh County, AL | Oil & Gas Property | Mar 2026 |
| 93398 | OVERBROOK FEE | Campbell County, WY | Gas Property | May 2013 |
| 93399 | OVERBY | Wichita County, TX | Oil & Gas Property | Mar 2026 |
| 93400 | OVERBY | Toole County, MT | Gas Property | Feb 2026 |