| 5201 | CISCO | San Juan County, NM | Gas Property | May 2025 |
| 5202 | CISCO | Haskell County, OK | Gas Property | Apr 2025 |
| 5203 | CISCO 20 | McKinley County, NM | Oil Property | Mar 2022 |
| 5204 | CISCO FED | Grand County, UT | Oil & Gas Property | Apr 2025 |
| 5205 | CISCO SPRINGS | Grand County, UT | Oil & Gas Property | Sep 2019 |
| 5206 | CISD | Tarrant County, TX | Gas Property | May 2025 |
| 5207 | CISLER | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5208 | CISNEY | Muhlenberg County, KY | Oil & Gas Property | Jun 2021 |
| 5209 | CITADEL 2-11-2H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 5210 | CITADEL 5-64 15-16-1CHZ | Arapahoe County, CO | Oil & Gas Property | Jun 2025 |
| 5211 | CITATION | Culberson County, TX | Oil & Gas Property | May 2025 |
| 5212 | CITATION 14 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 5213 | CITATION 23-27-11 | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 5214 | CITATION UNIT | Lee County, TX | Oil & Gas Property | May 2025 |
| 5215 | CITCARP UNIT | Tarrant County, TX | Oil & Gas Property | May 2025 |
| 5216 | CITGO AS STATE | Lea County, NM | Oil & Gas Property | Apr 2024 |
| 5217 | CITGO LM STATE | Lea County, NM | Gas Property | Dec 2002 |
| 5218 | CITIES | Andrews County, TX | Oil & Gas Property | May 2025 |
| 5219 | CITIES | Lea County, NM | Oil & Gas Property | May 2025 |
| 5220 | CITIES FEDERAL | Lea County, NM | Oil & Gas Property | Nov 2011 |
| 5221 | CITIES SE | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 5222 | CITIES SER | Texas County, OK | Gas Property | Apr 2025 |
| 5223 | CITIES SERV | McIntosh County, OK | Gas Property | Apr 2025 |
| 5224 | CITIES SERV | Ouachita Parish, LA | Gas Property | Nov 2024 |
| 5225 | CITIES SERV | Pottawatomie County, OK | Oil Property | Apr 2025 |
| 5226 | CITIES SERVICE | Archer County, TX | Oil & Gas Property | May 2025 |
| 5227 | CITIES SERVICE | Gaines County, TX | Oil & Gas Property | May 2025 |
| 5228 | CITIES SERVICE | Fort Bend County, TX | Oil & Gas Property | Apr 2025 |
| 5229 | CITIES SERVICE | Pecos County, TX | Oil & Gas Property | May 2025 |
| 5230 | CITIES SERVICE -C | Carson County, TX | Oil & Gas Property | Apr 2015 |
| 5231 | CITIES SERVICE BARRETT | Gray County, TX | Oil & Gas Property | May 2025 |
| 5232 | CITIES SERVICE FEE | Union Parish, LA | Gas Property | Nov 2024 |
| 5233 | CITIES SERVICE TXL | Reeves County, TX | Oil & Gas Property | Mar 2025 |
| 5234 | CITIES-REED | Howard County, TX | Oil & Gas Property | May 2025 |
| 5235 | CITIES-STATE | Reagan County, TX | Oil & Gas Property | May 2025 |
| 5236 | CITIES-UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 5237 | CITIZENS | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5238 | CITIZENS BUILDING | Kearny County, KS | Oil & Gas Property | Apr 2025 |
| 5239 | CITIZENS S | Stevens County, KS | Gas Property | Apr 2025 |
| 5240 | CITIZENS STATE | Stevens County, KS | Gas Property | Apr 2025 |
| 5241 | CITIZENS STATE BANK | Stanton County, KS | Gas Property | Apr 2025 |
| 5242 | CITO TRUST | Weld County, CO | Oil & Gas Property | May 2025 |
| 5243 | CITORI CARTER | Palo Pinto County, TX | Oil & Gas Property | May 2025 |
| 5244 | CITRA 28-0-6-28 | Loving County, TX | Oil & Gas Property | May 2025 |
| 5245 | CITRA 9&4-20-12 | Major County, OK | Oil & Gas Property | Apr 2025 |
| 5246 | CITRA FED 3773-031 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 5247 | CITRA FED 3773-1003 3FH | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 5248 | CITRO | Greene County, PA | Gas Property | May 2025 |
| 5249 | CITRONELLE | Mobile County, AL | Oil & Gas Property | Mar 2025 |
| 5250 | CITRONELLE SE UNIT D | Mobile County, AL | Oil & Gas Property | Aug 2013 |
| 5251 | CITRUS | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5252 | CITRUS | Ventura County, CA | Oil & Gas Property | Jun 2025 |
| 5253 | CITY | Los Angeles County, CA | Oil & Gas Property | Oct 1986 |
| 5254 | CITY INVESTMENT CO | Liberty County, TX | Oil & Gas Property | May 2025 |
| 5255 | CITY NAIL | Martin County, TX | Oil & Gas Property | May 2025 |
| 5256 | CITY OF | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 5257 | CITY OF ABILENE | Taylor County, TX | Oil & Gas Property | Apr 2025 |
| 5258 | CITY OF ABILENE | Taylor County, TX | Oil & Gas Property | Dec 2024 |
| 5259 | CITY OF ABILENE | Taylor County, TX | Oil & Gas Property | May 2025 |
| 5260 | CITY OF ALLIANCE | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 5261 | CITY OF ARDMORE | Carter County, OK | Oil & Gas Property | Apr 2025 |
| 5262 | CITY OF ARLINGTON UNIT | Tarrant County, TX | Gas Property | May 2025 |
| 5263 | CITY OF BARBERTON | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 5264 | CITY OF BRIDGEPORT | Wise County, TX | Oil & Gas Property | May 2025 |
| 5265 | CITY OF BROADVIEW HEIGHTS | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 5266 | CITY OF BURLESON | Johnson County, TX | Gas Property | May 2025 |
| 5267 | CITY OF CAMBRIDGE | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 5268 | CITY OF CANT | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 5269 | CITY OF CARLSBAD | Eddy County, NM | Oil & Gas Property | Jul 2023 |
| 5270 | CITY OF CEMENT | Caddo County, OK | Oil Property | Oct 2024 |
| 5271 | CITY OF CISCO | Eastland County, TX | Oil & Gas Property | May 2025 |
| 5272 | CITY OF CLEBURNE | Johnson County, TX | Gas Property | Jul 2019 |
| 5273 | CITY OF CLEVELAND | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 5274 | CITY OF CLINTON | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 5275 | CITY OF COFFEYV | Montgomery County, KS | Oil Property | Apr 2025 |
| 5276 | CITY OF COLDWATER 23-1 | Comanche County, KS | Oil & Gas Property | Apr 2025 |
| 5277 | CITY OF CUYAHOGA FALLS | Summit County, OH | Oil & Gas Property | Dec 2024 |
| 5278 | CITY OF DEARBORN | Oakland County, MI | Oil & Gas Property | May 2025 |
| 5279 | CITY OF DENTON-AIRPORT | Denton County, TX | Oil & Gas Property | May 2025 |
| 5280 | CITY OF DUBOIS | Clearfield County, PA | Gas Property | Dec 2024 |
| 5281 | CITY OF DUBOIS N | Clearfield County, PA | Gas Property | Dec 2024 |
| 5282 | CITY OF EASTLAND | Eastland County, TX | Oil & Gas Property | May 2025 |
| 5283 | CITY OF ENID | Garfield County, OK | Oil & Gas Property | Feb 2025 |
| 5284 | CITY OF EULESS | Tarrant County, TX | Gas Property | May 2025 |
| 5285 | CITY OF FAIRFIELD | Freestone County, TX | Oil & Gas Property | May 2025 |
| 5286 | CITY OF FARMINGTON | San Juan County, NM | Oil & Gas Property | May 2025 |
| 5287 | CITY OF FARMINGTON | San Juan County, NM | Oil & Gas Property | May 2025 |
| 5288 | CITY OF FORT WORTH SOUTH UNIT | Tarrant County, TX | Oil & Gas Property | Dec 2023 |
| 5289 | CITY OF FREDERI | Tillman County, OK | Oil Property | Apr 2025 |
| 5290 | CITY OF FREDONIA | Wilson County, KS | Oil Property | Jan 2000 |
| 5291 | CITY OF GARDEN CITY | Finney County, KS | Gas Property | Apr 2025 |
| 5292 | CITY OF GODLEY UNIT | Johnson County, TX | Oil & Gas Property | May 2025 |
| 5293 | CITY OF GONZALES | Gonzales County, TX | Oil & Gas Property | Feb 2025 |
| 5294 | CITY OF GOODLAND | Sherman County, KS | Gas Property | Apr 2025 |
| 5295 | CITY OF GUYMON | Texas County, OK | Gas Property | Apr 2025 |
| 5296 | CITY OF HUGOTON | Stevens County, KS | Gas Property | Apr 2025 |
| 5297 | CITY OF KILGORE | Gregg County, TX | Oil & Gas Property | Mar 2025 |
| 5298 | CITY OF LAUREL | Jones County, MS | Oil & Gas Property | May 2025 |
| 5299 | CITY OF LEVELLAND | Hockley County, TX | Oil Property | May 2025 |
| 5300 | CITY OF LIBERAL | Seward County, KS | Oil & Gas Property | Sep 2024 |