| 60401 | IGNACIO | La Plata County, CO | Gas Property | Apr 2026 |
| 60402 | IGNACIO | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 60403 | IGO CREEK STATE PC LD16-6 | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 60404 | IGO FARMS J 28 | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 60405 | IGOE SMITH OPERA | Cochran County, TX | Oil & Gas Property | Mar 2026 |
| 60406 | IGOR 33 FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 60407 | IGS 1 | La Plata County, CO | Gas Property | Apr 2026 |
| 60408 | IGUANA UNIT 6 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 60409 | IGW 1 | La Plata County, CO | Gas Property | Apr 2026 |
| 60410 | IH N BRA | Bradford County, PA | Gas Property | Mar 2026 |
| 60411 | IH S BRA | Bradford County, PA | Gas Property | Mar 2026 |
| 60412 | IHDE | Petroleum County, MT | Oil Property | Mar 2026 |
| 60413 | IHLOFF | Haskell County, KS | Gas Property | Feb 2026 |
| 60414 | IHNEN | Weld County, CO | Oil & Gas Property | May 2023 |
| 60415 | IHRIG | Sherman County, KS | Gas Property | Feb 2026 |
| 60416 | II MOORE FARMS | Labette County, KS | Gas Property | Feb 2026 |
| 60417 | IKARD | Archer County, TX | Oil & Gas Property | Mar 2026 |
| 60418 | IKARD | Archer County, TX | Oil & Gas Property | Apr 2020 |
| 60419 | IKE 1-20-17XH | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 60420 | IKE CLANTON | Cochran County, TX | Oil & Gas Property | Mar 2026 |
| 60421 | IKE GAINES | Campbell County, WY | Gas Property | Aug 2014 |
| 60422 | IKE UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 60423 | IKELYNN | Hutchinson County, TX | Oil & Gas Property | Mar 2021 |
| 60424 | IKENOUYE | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 60425 | IKERD, BOBBY | Pulaski County, KY | Gas Property | Dec 2008 |
| 60426 | IKESTER 1H | Washington County, TX | Oil & Gas Property | Mar 2026 |
| 60427 | IKEY 1 | Adams County, CO | Oil & Gas Property | Apr 2026 |
| 60428 | IL FARMS | Wichita County, KS | Oil Property | Feb 2026 |
| 60429 | ILA 17-27-12 | Alfalfa County, OK | Oil & Gas Property | Mar 2026 |
| 60430 | ILA E 1 | Woodward County, OK | Oil & Gas Property | Mar 2026 |
| 60431 | ILENE | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 60432 | ILENE 4472-0235-1PH | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 60433 | ILES DOME | Moffat County, CO | Oil Property | Jan 2023 |
| 60434 | ILES FEDERAL | Eddy County, NM | Oil Property | May 2025 |
| 60435 | ILES G.H | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 60436 | ILES HARRY | Noble County, OH | Gas Property | Dec 2022 |
| 60437 | ILES INV | Moffat County, CO | Oil Property | Apr 2019 |
| 60438 | ILL HAVE ANOTHER 9-4-9-6 | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 60439 | ILLINOIS A-2 | Stevens County, KS | Oil & Gas Property | Feb 2026 |
| 60440 | ILLINOIS BANKERS | Haskell County, KS | Gas Property | Feb 2026 |
| 60441 | ILLINOIS BANKERS LIFE | Haskell County, KS | Gas Property | Feb 2026 |
| 60442 | ILLINOIS CAMP | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 60443 | ILLUSION LAKE /SAN ANDRES/ UNIT | Lamb County, TX | Oil & Gas Property | Mar 2026 |
| 60444 | ILLUSTRATED MAN FEE COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 60445 | ILLY | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 60446 | ILONA BABER ET AL SWITZ16 | Monroe County, OH | Gas Property | Mar 2026 |
| 60447 | ILS LAND | Barton County, KS | Oil Property | Feb 2026 |
| 60448 | ILTIS MATHILDA | Bexar County, TX | Oil & Gas Property | Feb 2026 |
| 60449 | IM SHANNON | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 60450 | IM-GRUBB-159-89- 0805H-1 | Ward County, ND | Oil & Gas Property | Apr 2026 |
| 60451 | IM-STATE A-158-90- 36H-1 | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 60452 | IMA JEAN | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 60453 | IMAGINE | Hemphill County, TX | Oil & Gas Property | Mar 2026 |
| 60454 | IMATIGER CS FED | Campbell County, WY | Gas Property | Feb 2013 |
| 60455 | IMBLER BROTHERS | Seward County, KS | Gas Property | Feb 2026 |
| 60456 | IMBODEN | Hemphill County, TX | Oil & Gas Property | Mar 2026 |
| 60457 | IMEL | Ford County, KS | Oil Property | Feb 2026 |
| 60458 | IMEL | Lincoln County, OK | Gas Property | Dec 2017 |
| 60459 | IMEL | Ford County, KS | Oil & Gas Property | Feb 2026 |
| 60460 | IMEL | Ford County, KS | Oil & Gas Property | Feb 2026 |
| 60461 | IMEL-ROTZ | Ford County, KS | Oil & Gas Property | Feb 2026 |
| 60462 | IMKE | Lipscomb County, TX | Oil & Gas Property | Feb 2026 |
| 60463 | IMKE UNIT | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 60464 | IMLER-LEWIS | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 60465 | IMMEL | Hemphill County, TX | Oil & Gas Property | Mar 2026 |
| 60466 | IMMEL | Allen County, KS | Gas Property | Feb 2026 |
| 60467 | IMMENHAUSER A | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 60468 | IMN-IRVIN UNIT | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 60469 | IMN-SCHORP | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 60470 | IMOGENE | Seminole County, OK | Oil & Gas Property | Jul 2024 |
| 60471 | IMOGENE HALL UNIT | Bee County, TX | Oil & Gas Property | Mar 2026 |
| 60472 | IMOGENE USA 44-7H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 60473 | IMPACT UNIT | Taylor County, TX | Oil Property | Feb 2026 |
| 60474 | IMPALA 148-94-03B-10-1H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 60475 | IMPALA 4-4-35-34-7H | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 60476 | IMPALA STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 60477 | IMPARATO | Fort Bend County, TX | Oil & Gas Property | Mar 2026 |
| 60478 | IMPERIAL | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 60479 | IMPERIAL | Morris County, TX | Oil & Gas Property | Mar 2026 |
| 60480 | IMPERIAL | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 60481 | IMPERIAL | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 60482 | IMPERIAL COAL | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 60483 | IMPERIAL COLLIERY | Fayette County, WV | Gas Property | Dec 2021 |
| 60484 | IMPERIAL CORP | Taylor County, WV | Gas Property | Dec 2021 |
| 60485 | IMPERIAL EAGLE 24 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 60486 | IMPERIAL LAND | Washington County, PA | Gas Property | Mar 2026 |
| 60487 | IMPERIAL RESOURCES | McDowell County, WV | Gas Property | Dec 2021 |
| 60488 | IMPERIAL RESOURCES | McDowell County, WV | Gas Property | Dec 2021 |
| 60489 | IMPERIAL STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 60490 | IMPROVEMENT DISTRICT | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 60491 | IMS-HANKS | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 60492 | IMSLAND | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 60493 | IMTHURN | Greenwood County, KS | Oil Property | Feb 2026 |
| 60494 | INA 1 | Hartley County, TX | Gas Property | Feb 2026 |
| 60495 | INA 2 | Hartley County, TX | Gas Property | Mar 2026 |
| 60496 | INA 2-11H | Coal County, OK | Gas Property | Mar 2026 |
| 60497 | INA 3 | Hartley County, TX | Gas Property | Sep 2025 |
| 60498 | INA 3-11H | Coal County, OK | Gas Property | Mar 2026 |
| 60499 | INA 4 | Hartley County, TX | Gas Property | Mar 2026 |
| 60500 | INABNET | Catahoula Parish, LA | Oil Property | Dec 2004 |