| 5301 | CITY OF LIBERAL | Seward County, KS | Gas Property | Dec 2024 |
| 5302 | CITY OF LINDSAY 11 | Garvin County, OK | Gas Property | May 2021 |
| 5303 | CITY OF LUBBOCK | Lubbock County, TX | Oil & Gas Property | May 2025 |
| 5304 | CITY OF LYNDHURST | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 5305 | CITY OF MACEDONIA | Summit County, OH | Oil & Gas Property | Dec 1998 |
| 5306 | CITY OF MARLOW | Stephens County, OK | Oil & Gas Property | Apr 2025 |
| 5307 | CITY OF MASON | Midland County, MI | Oil Property | May 2025 |
| 5308 | CITY OF MCALESTER | Pittsburg County, OK | Gas Property | Apr 2025 |
| 5309 | CITY OF MCLEAN | Gray County, TX | Gas Property | May 2025 |
| 5310 | CITY OF MIDLAND | Midland County, TX | Oil & Gas Property | May 2025 |
| 5311 | CITY OF MONTAGUE | Montague County, TX | Oil & Gas Property | May 2025 |
| 5312 | CITY OF N O ETAL L L | Lafourche Parish, LA | Oil & Gas Property | May 1988 |
| 5313 | CITY OF NEODESH | Wilson County, KS | Oil Property | Apr 2025 |
| 5314 | CITY OF NEW ORLEANS | Lafourche Parish, LA | Oil & Gas Property | Nov 2024 |
| 5315 | CITY OF OBERLIN | Decatur County, KS | Oil Property | Apr 2025 |
| 5316 | CITY OF PECOS | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 5317 | CITY OF PERRY | Noble County, OK | Oil & Gas Property | Apr 2025 |
| 5318 | CITY OF PHILIPPI BADGER COAL | Barbour County, WV | Gas Property | Dec 2021 |
| 5319 | CITY OF PIKEVILLE URBAN RENEWAL | Pike County, KY | Gas Property | Dec 2019 |
| 5320 | CITY OF POST SAN ANDRES A WF1 | Garza County, TX | Oil & Gas Property | May 2025 |
| 5321 | CITY OF PRESTONSBURG 1 | Floyd County, KY | Gas Property | Dec 2019 |
| 5322 | CITY OF SHAMROCK | Wheeler County, TX | Oil & Gas Property | May 2025 |
| 5323 | CITY OF STO | Rooks County, KS | Oil Property | Apr 2025 |
| 5324 | CITY OF SUBLETTE | Haskell County, KS | Oil & Gas Property | Apr 2025 |
| 5325 | CITY OF TRAVERSE CITY | Grand Traverse County, MI | Oil & Gas Property | May 2025 |
| 5326 | CITY OF ULYSSES | Grant County, KS | Gas Property | Apr 2025 |
| 5327 | CITY OF UNIONTOWN | Union County, KY | Oil Property | Dec 2023 |
| 5328 | CITY OF WETUMKA | Hughes County, OK | Oil & Gas Property | Oct 2024 |
| 5329 | CITY OF WHITTIER | Los Angeles County, CA | Oil & Gas Property | Jun 1999 |
| 5330 | CITY OF YOUNGSTOWN | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 5331 | CITY PARK | Creek County, OK | Oil Property | May 2025 |
| 5332 | CITY SLICKERS 28 29 | Eddy County, NM | Oil & Gas Property | May 2025 |
| 5333 | CJ 27-34H | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5334 | CJ&M 'A' | Pawnee County, KS | Oil Property | Jan 2025 |
| 5335 | CJW UNIT | Cooke County, TX | Oil & Gas Property | May 2025 |
| 5336 | CK HAWTHORNE | Jefferson County, PA | Gas Property | Dec 2024 |
| 5337 | CK USA 31-6H | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 5338 | CKG 1 | Sheridan County, KS | Oil Property | Apr 2024 |
| 5339 | CKG-SCHILTZ | Sheridan County, KS | Oil Property | Apr 2025 |
| 5340 | CKODRE A | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 5341 | CKODRE A-W. BUTLER A SA 1 | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 5342 | CKSMOU | Stephens County, OK | Oil & Gas Property | Apr 2025 |
| 5343 | CKX LANDS | Beauregard Parish, LA | Oil & Gas Property | Dec 2024 |
| 5344 | CL TRUST 2810 | Alfalfa County, OK | Oil & Gas Property | Jan 2016 |
| 5345 | CL UN | Weston County, WY | Oil & Gas Property | Oct 1986 |
| 5346 | CL UNIT SEDGWICK | Weston County, WY | Oil & Gas Property | Sep 1986 |
| 5347 | CL&CC | Collier County, FL | Oil & Gas Property | Dec 2024 |
| 5348 | CL&F C | Terrebonne Parish, LA | Oil & Gas Property | Nov 2024 |
| 5349 | CL&M CORP | Evangeline Parish, LA | Oil & Gas Property | Dec 2024 |
| 5350 | CLAASSEN | Butler County, KS | Oil Property | Mar 2005 |
| 5351 | CLAASSEN | Butler County, KS | Oil Property | Apr 2025 |
| 5352 | CLAASSEN | Butler County, KS | Oil Property | Apr 2025 |
| 5353 | CLABAUGH | Campbell County, WY | Oil & Gas Property | May 2025 |
| 5354 | CLABAUGH | Campbell County, WY | Gas Property | Dec 2015 |
| 5355 | CLABAUGH FEDERAL | Campbell County, WY | Gas Property | Dec 2015 |
| 5356 | CLABORN | Eastland County, TX | Oil & Gas Property | Apr 2025 |
| 5357 | CLABORN V. M | Wise County, TX | Oil & Gas Property | Jul 2024 |
| 5358 | CLABORNE | Eastland County, TX | Oil & Gas Property | Mar 2017 |
| 5359 | CLACK | Graham County, KS | Oil Property | Apr 2025 |
| 5360 | CLACK, E. E | Taylor County, TX | Oil & Gas Property | Feb 2024 |
| 5361 | CLAFLIN | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5362 | CLAFLIN | Barton County, KS | Oil Property | Apr 2025 |
| 5363 | CLAFLIN | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5364 | CLAGG | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 5365 | CLAGGETT | Stevens County, KS | Gas Property | Apr 2025 |
| 5366 | CLAGGETT | Grayson County, KY | Gas Property | Dec 2023 |
| 5367 | CLAGGETT | Licking County, OH | Oil & Gas Property | Dec 1990 |
| 5368 | CLAIBORNE | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 5369 | CLAIBORNE | Wilson County, KS | Gas Property | Jan 2017 |
| 5370 | CLAIBORNE | Le Flore County, OK | Gas Property | Apr 2025 |
| 5371 | CLAIBORNE PL | Iberville Parish, LA | Oil & Gas Property | Sep 2003 |
| 5372 | CLAIBOURN | Wilson County, KS | Oil & Gas Property | Mar 2023 |
| 5373 | CLAIN 2816 | Woods County, OK | Oil & Gas Property | May 2025 |
| 5374 | CLAIR | Jefferson County, PA | Gas Property | Dec 2024 |
| 5375 | CLAIR | Barton County, KS | Oil Property | Apr 2025 |
| 5376 | CLAIR | Rice County, KS | Oil Property | Feb 2014 |
| 5377 | CLAIR | Rush County, KS | Oil Property | Apr 2025 |
| 5378 | CLAIR B | Indiana County, PA | Gas Property | Dec 2024 |
| 5379 | CLAIR CRATTY | Butler County, PA | Gas Property | May 2025 |
| 5380 | CLAIR E. WALTERMIRE | Indiana County, PA | Gas Property | Dec 2024 |
| 5381 | CLAIR FULMER | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 5382 | CLAIR L. FRYE | Westmoreland County, PA | Gas Property | Dec 2024 |
| 5383 | CLAIR SWEITZER | Clarion County, PA | Gas Property | Dec 2024 |
| 5384 | CLAIR-CURRY | Kearny County, KS | Gas Property | Apr 2025 |
| 5385 | CLAIRBORNE L | Wilson County, KS | Gas Property | Apr 2025 |
| 5386 | CLAIRE | Hughes County, OK | Gas Property | Apr 2025 |
| 5387 | CLAIRE | Harris County, TX | Oil & Gas Property | May 2023 |
| 5388 | CLAIRE 252 | Martin County, TX | Oil & Gas Property | May 2025 |
| 5389 | CLAIRE 3229 | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 5390 | CLAIRE 48-37 | Martin County, TX | Oil & Gas Property | May 2025 |
| 5391 | CLAIRE ALEXIS 33-4H | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 5392 | CLAIRE ROSE LE 31-30 #1H | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 5393 | CLAIREMONT | Kent County, TX | Oil Property | May 2025 |
| 5394 | CLAMPETT JED | Andrews County, TX | Oil & Gas Property | May 2025 |
| 5395 | CLAMPITT | Los Angeles County, CA | Oil Property | Aug 1990 |
| 5396 | CLAMPITT | Kern County, CA | Oil & Gas Property | May 2025 |
| 5397 | CLAMPITT | Clay County, TX | Oil & Gas Property | Apr 2025 |
| 5398 | CLAMPITT 35 | Garvin County, OK | Oil & Gas Property | May 2025 |
| 5399 | CLANAHAN | Yoakum County, TX | Oil & Gas Property | May 2025 |
| 5400 | CLANCY | Morton County, KS | Oil & Gas Property | Apr 2025 |