| 6401 | ROSSLAND 157-101-22C-15 | Williams County, ND | Oil & Gas Property | May 2025 |
| 6402 | ROSSMILLER 31X-15 | Williams County, ND | Oil & Gas Property | May 2025 |
| 6403 | ROSSMILLER GOVT | Toole County, MT | Oil & Gas Property | May 2025 |
| 6404 | ROSSO | Haskell County, OK | Gas Property | Apr 2020 |
| 6405 | ROSSO | Pittsburg County, OK | Gas Property | Apr 2025 |
| 6406 | ROSSOL 24-31H | Dunn County, ND | Oil & Gas Property | May 2025 |
| 6407 | ROSSON | Morton County, KS | Oil & Gas Property | Oct 1997 |
| 6408 | ROSSON C | Anderson County, TX | Oil Property | Apr 2025 |
| 6409 | ROSSON J. R | San Patricio County, TX | Oil & Gas Property | Jun 2023 |
| 6410 | ROSSON M. D | Cooke County, TX | Oil & Gas Property | Apr 2025 |
| 6411 | ROSSON-HENDERSON | Denton County, TX | Oil & Gas Property | Apr 2025 |
| 6412 | ROSSON-WARD LAND CO | Rusk County, TX | Oil & Gas Property | Mar 2025 |
| 6413 | ROSSOW | Divide County, ND | Oil & Gas Property | May 2025 |
| 6414 | ROSSOW-BRZOZOWSKI | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 6415 | ROSTOCIL | Rooks County, KS | Oil Property | Mar 2025 |
| 6416 | ROSTOCIL | Rooks County, KS | Oil Property | Feb 2025 |
| 6417 | ROSTOSKY 59 | Allegheny County, PA | Gas Property | May 2025 |
| 6418 | ROSUL UNIT | Fayette County, PA | Gas Property | May 2025 |
| 6419 | ROSWELL MILLER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6420 | ROTARY CAMP | Grand Traverse County, MI | Oil & Gas Property | Jan 2025 |
| 6421 | ROTARY STATE | Eddy County, NM | Oil Property | May 2025 |
| 6422 | ROTELLO | Brazos County, TX | Oil & Gas Property | Apr 2025 |
| 6423 | ROTEN | Johnson County, TX | Gas Property | Apr 2025 |
| 6424 | ROTH | Rush County, KS | Oil Property | Sep 2015 |
| 6425 | ROTH | Weld County, CO | Oil & Gas Property | Aug 2015 |
| 6426 | ROTH | Blaine County, OK | Oil & Gas Property | Apr 2025 |
| 6427 | ROTH | Niobrara County, WY | Oil Property | Sep 2021 |
| 6428 | ROTH | Tuscarawas County, OH | Oil Property | Dec 2024 |
| 6429 | ROTH | Butler County, KS | Oil Property | Mar 2025 |
| 6430 | ROTH | Montague County, TX | Oil & Gas Property | Mar 2024 |
| 6431 | ROTH | Kimball County, NE | Oil Property | Dec 2024 |
| 6432 | ROTH | Cheyenne County, CO | Oil & Gas Property | Jul 2005 |
| 6433 | ROTH | Barton County, KS | Oil & Gas Property | Feb 2025 |
| 6434 | ROTH | Sedgwick County, KS | Oil Property | Mar 2024 |
| 6435 | ROTH | Weld County, CO | Oil & Gas Property | May 2025 |
| 6436 | ROTH | Medina County, OH | Oil & Gas Property | Dec 2022 |
| 6437 | ROTH | Ness County, KS | Oil Property | Dec 1998 |
| 6438 | ROTH | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 6439 | ROTH | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6440 | ROTH | Barton County, KS | Oil Property | Dec 2024 |
| 6441 | ROTH | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 6442 | ROTH | Ellis County, KS | Oil Property | May 2010 |
| 6443 | ROTH 'F' | Finney County, KS | Oil & Gas Property | Dec 2020 |
| 6444 | ROTH 1 | Yolo County, CA | Gas Property | May 2010 |
| 6445 | ROTH 1 | Kearny County, KS | Gas Property | Mar 2025 |
| 6446 | ROTH STATE A31-790 | Weld County, CO | Oil & Gas Property | May 2025 |
| 6447 | ROTH UNIT | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 6448 | ROTH UNIT | Montague County, TX | Oil & Gas Property | Apr 2025 |
| 6449 | ROTHARMEL | Weld County, CO | Oil & Gas Property | May 2022 |
| 6450 | ROTHE | Ness County, KS | Oil Property | Jan 2025 |
| 6451 | ROTHE | Rush County, KS | Gas Property | Mar 2025 |
| 6452 | ROTHE | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 6453 | ROTHE | Ness County, KS | Oil Property | Aug 2024 |
| 6454 | ROTHE 1 | Weld County, CO | Oil & Gas Property | Jul 2018 |
| 6455 | ROTHE STATE B 36 | Weld County, CO | Oil & Gas Property | Mar 2018 |
| 6456 | ROTHENBUHLER | Monroe County, OH | Gas Property | Dec 2024 |
| 6457 | ROTHER | Major County, OK | Oil & Gas Property | May 2025 |
| 6458 | ROTHER | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 6459 | ROTHER | Blaine County, OK | Oil & Gas Property | Dec 2020 |
| 6460 | ROTHER | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 6461 | ROTHER | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 6462 | ROTHER | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 6463 | ROTHER 1-14H | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 6464 | ROTHER 16-4-11 | Logan County, OK | Oil & Gas Property | Apr 2025 |
| 6465 | ROTHERMEL | Limestone County, TX | Oil & Gas Property | Apr 2025 |
| 6466 | ROTHERMEL | Logan County, OK | Oil & Gas Property | Apr 2025 |
| 6467 | ROTHFELDER | Eastland County, TX | Oil & Gas Property | Apr 2024 |
| 6468 | ROTHFELDER | Scott County, KS | Oil Property | Sep 2024 |
| 6469 | ROTHGEB | Montgomery County, KS | Oil Property | Mar 2025 |
| 6470 | ROTHGEB | Kay County, OK | Oil & Gas Property | Apr 2025 |
| 6471 | ROTHLISBERGER, F.E | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 6472 | ROTHSCHILD STATE 56-2-25 UNIT | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 6473 | ROTHWELL | Sumner County, KS | Oil Property | Feb 2025 |
| 6474 | ROTHWELL | Van Buren County, AR | Gas Property | Jul 2024 |
| 6475 | ROTHWELL-HUMPHREY | Allen County, KS | Gas Property | May 2024 |
| 6476 | ROTILI | Medina County, OH | Oil & Gas Property | Dec 1988 |
| 6477 | ROTTEN RALPH | Crane County, TX | Oil & Gas Property | Jul 2024 |
| 6478 | ROTTERSMAN | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 6479 | ROTTGER | Kingfisher County, OK | Oil & Gas Property | Feb 2018 |
| 6480 | ROTTING 2716 | Woods County, OK | Oil & Gas Property | May 2025 |
| 6481 | ROTTMAYER | Medina County, OH | Oil & Gas Property | Dec 2020 |
| 6482 | ROTTWEILER | Garfield County, OK | Oil & Gas Property | Apr 2025 |
| 6483 | ROUBACK | Russell County, KS | Oil Property | Feb 2025 |
| 6484 | ROUBACK | Russell County, KS | Oil Property | Feb 2025 |
| 6485 | ROUCE | Blaine County, OK | Oil & Gas Property | Apr 2025 |
| 6486 | ROUDON | Goliad County, TX | Oil & Gas Property | Mar 2025 |
| 6487 | ROUGAROU UNIT 36-48 | Borden County, TX | Oil & Gas Property | Apr 2025 |
| 6488 | ROUGE | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 6489 | ROUGE STEEL | Pike County, KY | Oil & Gas Property | Dec 2023 |
| 6490 | ROUGE STEEL | Pike County, KY | Gas Property | Dec 2023 |
| 6491 | ROUGH COULEE USA 24-22TFH | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 6492 | ROUGH CREEK RANCH | Coleman County, TX | Oil & Gas Property | May 2023 |
| 6493 | ROUGH FEDERAL 44X-23 | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 6494 | ROUGH HOLLOW 593 | Greene County, PA | Gas Property | May 2025 |
| 6495 | ROUGH RIDER | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 6496 | ROUGH RIDER UNIT | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 6497 | ROUGH RUN MFG CO 1118 | Butler County, PA | Gas Property | Dec 2024 |
| 6498 | ROUGHHOLLOW | Shackelford County, TX | Oil Property | Apr 2025 |
| 6499 | ROUGHNECK RED | Eddy County, NM | Oil & Gas Property | Jul 2024 |
| 6500 | ROULETTE | Reeves County, TX | Oil & Gas Property | Apr 2025 |