| 18201 | CALDWELL | Bienville Parish, LA | Oil & Gas Property | Sep 1995 |
| 18202 | CALDWELL | Stephens County, TX | Oil & Gas Property | Jul 2024 |
| 18203 | CALDWELL | Union Parish, LA | Oil & Gas Property | Aug 2021 |
| 18204 | CALDWELL | Sheridan County, KS | Oil Property | Apr 2007 |
| 18205 | CALDWELL | Boulder County, CO | Oil & Gas Property | Aug 2024 |
| 18206 | CALDWELL | Reeves County, TX | Oil & Gas Property | Dec 2022 |
| 18207 | CALDWELL | Anderson County, KS | Oil Property | Apr 2024 |
| 18208 | CALDWELL | Stephens County, TX | Oil & Gas Property | Aug 2024 |
| 18209 | CALDWELL | Grady County, OK | Oil & Gas Property | Sep 2024 |
| 18210 | CALDWELL | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 18211 | CALDWELL | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 18212 | CALDWELL | Payne County, OK | Oil & Gas Property | Sep 2024 |
| 18213 | CALDWELL 1 | Payne County, OK | Oil & Gas Property | Aug 2024 |
| 18214 | CALDWELL 24 | Chaves County, NM | Oil & Gas Property | Dec 2022 |
| 18215 | CALDWELL 2407 | Garfield County, OK | Oil & Gas Property | Sep 2024 |
| 18216 | CALDWELL C | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 18217 | CALDWELL C.M | Stephens County, TX | Oil & Gas Property | Aug 2024 |
| 18218 | CALDWELL CAM | Mingo County, WV | Gas Property | Dec 2021 |
| 18219 | CALDWELL ET AL | Smith County, TX | Oil & Gas Property | Aug 2024 |
| 18220 | CALDWELL F | Washington County, PA | Oil & Gas Property | Dec 2023 |
| 18221 | CALDWELL LIVING TRUST 14 | Neosho County, KS | Gas Property | Jul 2024 |
| 18222 | CALDWELL M. D | Rusk County, TX | Oil & Gas Property | Aug 2024 |
| 18223 | CALDWELL, BRITT | Wheeler County, TX | Oil & Gas Property | Aug 2024 |
| 18224 | CALDWELL, J. L | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 18225 | CALDWELL, J.E | Wise County, TX | Oil & Gas Property | Aug 2024 |
| 18226 | CALDWELL-BRECKENRIDGE | Stephens County, TX | Oil & Gas Property | Aug 2024 |
| 18227 | CALDWELL-GARRETT | Ochiltree County, TX | Oil & Gas Property | Aug 2024 |
| 18228 | CALDWELL-MCWILLIAMS | Columbia County, AR | Oil & Gas Property | Jul 2024 |
| 18229 | CALDWELL-ROGERS | Stephens County, TX | Oil & Gas Property | Aug 2024 |
| 18230 | CALE | Gove County, KS | Oil Property | Jul 2024 |
| 18231 | CALE, WI | Wood County, WV | Oil & Gas Property | Sep 2019 |
| 18232 | CALEB | Ector County, TX | Oil & Gas Property | Feb 2019 |
| 18233 | CALEB 1 | Stephens County, OK | Oil & Gas Property | Aug 2024 |
| 18234 | CALEB 44-32TFH | Mountrail County, ND | Oil & Gas Property | Sep 2024 |
| 18235 | CALEB GU 1 | Nacogdoches County, TX | Oil & Gas Property | Aug 2024 |
| 18236 | CALEB L | Kern County, CA | Oil & Gas Property | Sep 2024 |
| 18237 | CALEDONIA GAS STORAGE | Lowndes County, MS | Oil & Gas Property | May 1997 |
| 18238 | CALES | Kay County, OK | Oil Property | May 2021 |
| 18239 | CALEX | Kern County, CA | Oil & Gas Property | Sep 2024 |
| 18240 | CALF C | Grand County, UT | Oil & Gas Property | Jul 2015 |
| 18241 | CALF CANYON | Garfield County, CO | Oil & Gas Property | Jul 2024 |
| 18242 | CALF ROPE 1611 | Blaine County, OK | Oil & Gas Property | Aug 2024 |
| 18243 | CALFAS A | Atascosa County, TX | Oil & Gas Property | Aug 2024 |
| 18244 | CALFROPE STATE | Lea County, NM | Oil & Gas Property | Mar 2022 |
| 18245 | CALGARY | San Juan County, NM | Oil & Gas Property | Sep 2024 |
| 18246 | CALGARY FEDERAL | Chaves County, NM | Oil & Gas Property | Sep 2024 |
| 18247 | CALHOON | Meade County, KS | Oil & Gas Property | May 2024 |
| 18248 | CALHOON | Alfalfa County, OK | Oil & Gas Property | Sep 2024 |
| 18249 | CALHOUN | Hood County, TX | Oil & Gas Property | Aug 2024 |
| 18250 | CALHOUN | De Soto Parish, LA | Gas Property | Jun 2024 |
| 18251 | CALHOUN | De Soto Parish, LA | Gas Property | Jun 2024 |
| 18252 | CALHOUN | Red River Parish, LA | Oil & Gas Property | May 2024 |
| 18253 | CALHOUN | Lincoln Parish, LA | Oil & Gas Property | Jun 2024 |
| 18254 | CALHOUN 1 | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 18255 | CALHOUN F. D | Grimes County, TX | Oil & Gas Property | Aug 2024 |
| 18256 | CALHOUN FARMS | Victoria County, TX | Oil & Gas Property | Jul 2017 |
| 18257 | CALHOUN UNIT | Montague County, TX | Oil & Gas Property | Aug 2024 |
| 18258 | CALHOUN, JACKSON & BETTY CALHOUN | Doddridge County, WV | Oil & Gas Property | Jul 2021 |
| 18259 | CALHOUN-PETTY | Natchitoches Parish, LA | Oil Property | Jun 2024 |
| 18260 | CALI ROLL 24 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 18261 | CALIARI BEL | Clearfield County, PA | Gas Property | Dec 2023 |
| 18262 | CALIBAN | Lavaca County, TX | Oil & Gas Property | Aug 2024 |
| 18263 | CALICO 148-93-31D-30H | Dunn County, ND | Oil & Gas Property | Sep 2024 |
| 18264 | CALICO JACK | Marshall County, OK | Oil & Gas Property | Aug 2024 |
| 18265 | CALICUTT | Smith County, TX | Oil & Gas Property | Aug 2024 |
| 18266 | CALIDON | Kern County, CA | Oil & Gas Property | Sep 2024 |
| 18267 | CALIENTE 1-9H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 18268 | CALIF. CENTRAL | Fresno County, CA | Oil & Gas Property | Sep 2024 |
| 18269 | CALIFORNIA | Weld County, CO | Oil & Gas Property | Aug 2024 |
| 18270 | CALIFORNIA | Fresno County, CA | Oil Property | Oct 1996 |
| 18271 | CALIFORNIA | Kern County, CA | Oil & Gas Property | Sep 2024 |
| 18272 | CALIFORNIA | Santa Barbara County, CA | Oil & Gas Property | Dec 2008 |
| 18273 | CALIFORNIA 29 FEE | Eddy County, NM | Oil & Gas Property | Aug 2024 |
| 18274 | CALIFORNIA CHROME 27 | Reeves County, TX | Oil & Gas Property | Jul 2024 |
| 18275 | CALIFORNIA CHROME 39 STATE UNIT | Culberson County, TX | Oil & Gas Property | Aug 2024 |
| 18276 | CALIFORNIA CHROME UNIT | Ward County, TX | Oil & Gas Property | Aug 2024 |
| 18277 | CALIFORNIA COALINGA | Fresno County, CA | Oil Property | Aug 2024 |
| 18278 | CALIFORNIA COAST | Santa Barbara County, CA | Oil & Gas Property | Sep 2024 |
| 18279 | CALIFORNIA LANDS, INC | Fresno County, CA | Oil & Gas Property | Oct 2011 |
| 18280 | CALIFORNIA STANDARD | Kern County, CA | Oil Property | May 2024 |
| 18281 | CALIHAN | Finney County, KS | Gas Property | Jul 2024 |
| 18282 | CALINE | Grady County, OK | Oil & Gas Property | Sep 2024 |
| 18283 | CALION LUMBER | Union County, AR | Oil Property | Sep 2023 |
| 18284 | CALISTOGA 18-7-161-92H | Burke County, ND | Oil & Gas Property | Sep 2024 |
| 18285 | CALK E. W | Bexar County, TX | Oil & Gas Property | Jul 2024 |
| 18286 | CALKIN | Kingman County, KS | Oil & Gas Property | Jul 2024 |
| 18287 | CALKIN | Kingman County, KS | Gas Property | Sep 2023 |
| 18288 | CALKINS | Dewey County, OK | Oil & Gas Property | Apr 2019 |
| 18289 | CALKINS | Los Angeles County, CA | Gas Property | Nov 1984 |
| 18290 | CALKINS-FRAZEE | Dewey County, OK | Oil & Gas Property | Aug 2024 |
| 18291 | CALL | Fresno County, CA | Oil & Gas Property | Sep 2024 |
| 18292 | CALLA MAE | Coke County, TX | Oil & Gas Property | Jul 2024 |
| 18293 | CALLAGHAN JOHN C | Denton County, TX | Gas Property | Aug 2024 |
| 18294 | CALLAHAN | Barton County, KS | Gas Property | Jul 2024 |
| 18295 | CALLAHAN | Bryan County, OK | Oil & Gas Property | Aug 2024 |
| 18296 | CALLAHAN | Martin County, TX | Oil & Gas Property | Aug 2024 |
| 18297 | CALLAHAN | Perry County, KY | Oil & Gas Property | Dec 2022 |
| 18298 | CALLAHAN 'A' | Morton County, KS | Oil & Gas Property | Jul 2024 |
| 18299 | CALLAHAN 54-2-17 UNIT 1H | Loving County, TX | Oil & Gas Property | Aug 2024 |
| 18300 | CALLARMAN | Wilson County, KS | Gas Property | Jul 2024 |