| 6301 | ROSSMILLER GOVT | Toole County, MT | Oil & Gas Property | Jan 2025 |
| 6302 | ROSSO | Haskell County, OK | Gas Property | Apr 2020 |
| 6303 | ROSSO | Pittsburg County, OK | Gas Property | Jan 2025 |
| 6304 | ROSSOL 24-31H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 6305 | ROSSON | Morton County, KS | Oil & Gas Property | Oct 1997 |
| 6306 | ROSSON C | Anderson County, TX | Oil Property | Jan 2025 |
| 6307 | ROSSON J. R | San Patricio County, TX | Oil & Gas Property | Jun 2023 |
| 6308 | ROSSON M. D | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 6309 | ROSSON-HENDERSON | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 6310 | ROSSON-WARD LAND CO | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 6311 | ROSSOW-BRZOZOWSKI | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 6312 | ROSTOCIL | Rooks County, KS | Oil Property | Dec 2024 |
| 6313 | ROSTOCIL | Rooks County, KS | Oil Property | Oct 2024 |
| 6314 | ROSTOSKY 59 | Allegheny County, PA | Gas Property | Feb 2025 |
| 6315 | ROSUL UNIT | Fayette County, PA | Gas Property | Feb 2025 |
| 6316 | ROSWELL MILLER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6317 | ROTARY CAMP | Grand Traverse County, MI | Oil & Gas Property | Dec 2024 |
| 6318 | ROTARY STATE | Eddy County, NM | Oil Property | Feb 2025 |
| 6319 | ROTELLO | Brazos County, TX | Oil & Gas Property | Jan 2025 |
| 6320 | ROTEN | Johnson County, TX | Gas Property | Jan 2025 |
| 6321 | ROTH | Rush County, KS | Oil Property | Sep 2015 |
| 6322 | ROTH | Weld County, CO | Oil & Gas Property | Aug 2015 |
| 6323 | ROTH | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 6324 | ROTH | Niobrara County, WY | Oil Property | Sep 2021 |
| 6325 | ROTH | Tuscarawas County, OH | Oil Property | Dec 2024 |
| 6326 | ROTH | Butler County, KS | Oil Property | Dec 2024 |
| 6327 | ROTH | Montague County, TX | Oil & Gas Property | Mar 2024 |
| 6328 | ROTH | Cheyenne County, CO | Oil & Gas Property | Jul 2005 |
| 6329 | ROTH | Barton County, KS | Oil & Gas Property | Dec 2024 |
| 6330 | ROTH | Sedgwick County, KS | Oil Property | Mar 2024 |
| 6331 | ROTH | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 6332 | ROTH | Medina County, OH | Oil & Gas Property | Dec 2022 |
| 6333 | ROTH | Ness County, KS | Oil Property | Dec 1998 |
| 6334 | ROTH | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 6335 | ROTH | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6336 | ROTH | Barton County, KS | Oil Property | Dec 2024 |
| 6337 | ROTH | Barber County, KS | Oil & Gas Property | Dec 2024 |
| 6338 | ROTH | Ellis County, KS | Oil Property | May 2010 |
| 6339 | ROTH 'F' | Finney County, KS | Oil & Gas Property | Dec 2020 |
| 6340 | ROTH 1 | Yolo County, CA | Gas Property | May 2010 |
| 6341 | ROTH 1 | Kearny County, KS | Gas Property | Dec 2024 |
| 6342 | ROTH STATE A31-790 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 6343 | ROTH UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 6344 | ROTH UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 6345 | ROTHARMEL | Weld County, CO | Oil & Gas Property | May 2022 |
| 6346 | ROTHE | Ness County, KS | Oil Property | Nov 2024 |
| 6347 | ROTHE | Rush County, KS | Gas Property | Dec 2024 |
| 6348 | ROTHE | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 6349 | ROTHE | Ness County, KS | Oil Property | Aug 2024 |
| 6350 | ROTHE 1 | Weld County, CO | Oil & Gas Property | Jul 2018 |
| 6351 | ROTHE STATE B 36 | Weld County, CO | Oil & Gas Property | Mar 2018 |
| 6352 | ROTHENBUHLER | Monroe County, OH | Gas Property | Dec 2024 |
| 6353 | ROTHER | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 6354 | ROTHER | Blaine County, OK | Oil & Gas Property | Dec 2020 |
| 6355 | ROTHER | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 6356 | ROTHER | Major County, OK | Oil & Gas Property | Feb 2025 |
| 6357 | ROTHER | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 6358 | ROTHER 1-14H | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 6359 | ROTHER 16-4-11 | Logan County, OK | Oil & Gas Property | Jan 2025 |
| 6360 | ROTHERMEL | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 6361 | ROTHERMEL | Logan County, OK | Oil & Gas Property | Jun 2020 |
| 6362 | ROTHFELDER | Eastland County, TX | Oil & Gas Property | Apr 2024 |
| 6363 | ROTHFELDER | Scott County, KS | Oil Property | Sep 2024 |
| 6364 | ROTHGEB | Montgomery County, KS | Oil Property | Oct 2024 |
| 6365 | ROTHGEB | Kay County, OK | Oil & Gas Property | Mar 2018 |
| 6366 | ROTHLISBERGER, F.E | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 6367 | ROTHSCHILD STATE 56-2-25 UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 6368 | ROTHWELL | Sumner County, KS | Oil Property | Dec 2024 |
| 6369 | ROTHWELL | Van Buren County, AR | Gas Property | Jul 2024 |
| 6370 | ROTHWELL-HUMPHREY | Allen County, KS | Gas Property | May 2024 |
| 6371 | ROTILI | Medina County, OH | Oil & Gas Property | Dec 1988 |
| 6372 | ROTTEN RALPH | Crane County, TX | Oil & Gas Property | Jul 2024 |
| 6373 | ROTTERSMAN | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 6374 | ROTTING 2716 | Woods County, OK | Oil & Gas Property | Jan 2025 |
| 6375 | ROTTMAYER | Medina County, OH | Oil & Gas Property | Dec 2020 |
| 6376 | ROTTWEILER | Garfield County, OK | Oil & Gas Property | Jan 2025 |
| 6377 | ROUBACK | Russell County, KS | Oil Property | Dec 2024 |
| 6378 | ROUBACK | Russell County, KS | Oil Property | Apr 2004 |
| 6379 | ROUBACK | Russell County, KS | Oil Property | Dec 2024 |
| 6380 | ROUCE | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 6381 | ROUDON | Goliad County, TX | Oil & Gas Property | Jun 2024 |
| 6382 | ROUGAROU UNIT 36-48 | Borden County, TX | Oil & Gas Property | Jan 2025 |
| 6383 | ROUGE | Texas County, OK | Oil & Gas Property | Jan 2025 |
| 6384 | ROUGE STEEL | Pike County, KY | Oil & Gas Property | Dec 2023 |
| 6385 | ROUGE STEEL | Pike County, KY | Gas Property | Dec 2023 |
| 6386 | ROUGH COULEE USA 24-22TFH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 6387 | ROUGH CREEK RANCH | Coleman County, TX | Oil & Gas Property | May 2023 |
| 6388 | ROUGH FEDERAL 44X-23 | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 6389 | ROUGH HOLLOW 593 | Greene County, PA | Gas Property | Feb 2025 |
| 6390 | ROUGH RIDER | McKenzie County, ND | Oil & Gas Property | Mar 2025 |
| 6391 | ROUGH RIDER UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 6392 | ROUGH RUN MFG CO 1118 | Butler County, PA | Gas Property | Dec 2024 |
| 6393 | ROUGHHOLLOW | Shackelford County, TX | Oil Property | Jan 2025 |
| 6394 | ROUGHNECK RED | Eddy County, NM | Oil & Gas Property | Aug 2024 |
| 6395 | ROULETTE | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 6396 | ROULETTE | Carson County, TX | Oil & Gas Property | Jan 2025 |
| 6397 | ROULETTE AXR STATE | Chaves County, NM | Gas Property | Feb 2025 |
| 6398 | ROUND BUNCH 1 | Orange County, TX | Oil & Gas Property | Jan 2025 |
| 6399 | ROUND PRAIRIE | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 6400 | ROUND TANK | Chaves County, NM | Oil & Gas Property | Feb 2014 |