| 5101 | CIANNA | Pittsburg County, OK | Gas Property | Sep 2023 |
| 5102 | CIARIMBOLI | Westmoreland County, PA | Gas Property | Dec 2024 |
| 5103 | CICADA UNIT | Eddy County, NM | Oil & Gas Property | Sep 2025 |
| 5104 | CICALA | Armstrong County, PA | Gas Property | Dec 2024 |
| 5105 | CICERO | Garvin County, OK | Oil & Gas Property | Aug 2025 |
| 5106 | CICERO 28-0-17-29 | Loving County, TX | Oil & Gas Property | Sep 2025 |
| 5107 | CIDER | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 5108 | CIERVO | La Salle County, TX | Oil & Gas Property | Sep 2025 |
| 5109 | CIG 2-10 | Sweetwater County, WY | Oil & Gas Property | Oct 2025 |
| 5110 | CIG FEE | Fremont County, WY | Oil & Gas Property | Oct 2025 |
| 5111 | CIGE | Uintah County, UT | Oil & Gas Property | Sep 2025 |
| 5112 | CIGE | Uintah County, UT | Oil & Gas Property | Sep 2025 |
| 5113 | CIGE | Uintah County, UT | Oil & Gas Property | Sep 2025 |
| 5114 | CILANTRO 2524-C3 | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 5115 | CILO | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 5116 | CIMAREX UNIVERSITY | Ward County, TX | Oil & Gas Property | Aug 2025 |
| 5117 | CIMAREX UNIVERSITY 20 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 5118 | CIMARRON | Las Animas County, CO | Gas Property | Oct 2025 |
| 5119 | CIMARRON | Pawnee County, OK | Oil & Gas Property | Sep 2025 |
| 5120 | CIMARRON | Major County, OK | Oil & Gas Property | Aug 2025 |
| 5121 | CIMARRON | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 5122 | CIMARRON | Meade County, KS | Oil & Gas Property | Jun 2025 |
| 5123 | CIMARRON | Lea County, NM | Oil & Gas Property | Sep 2025 |
| 5124 | CIMARRON 1 | Lea County, NM | Oil & Gas Property | Oct 2025 |
| 5125 | CIMARRON 16 19 34 RN STATE COM | Lea County, NM | Oil & Gas Property | Sep 2025 |
| 5126 | CIMARRON 23 FEDERAL 00 | Eddy County, NM | Oil & Gas Property | Jun 2012 |
| 5127 | CIMARRON BLUFF | Meade County, KS | Oil & Gas Property | Aug 2023 |
| 5128 | CIMARRON G | Meade County, KS | Oil & Gas Property | Jun 2025 |
| 5129 | CINCINNATI | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 5130 | CINCINNATUS | Fayette County, TX | Oil & Gas Property | Sep 2025 |
| 5131 | CINCO 1HH | Panola County, TX | Gas Property | Sep 2025 |
| 5132 | CINCO DE MAYO FEDERAL | Lea County, NM | Oil & Gas Property | May 1997 |
| 5133 | CINCO DIABLOS | Sandoval County, NM | Gas Property | Oct 2025 |
| 5134 | CINCO J RANCH | Gonzales County, TX | Oil & Gas Property | Sep 2025 |
| 5135 | CINCO RANCH | Gonzales County, TX | Oil & Gas Property | Sep 2025 |
| 5136 | CINCO TERRY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 5137 | CINDA | Barber County, KS | Oil & Gas Property | Jun 2025 |
| 5138 | CINDA FLAX | Ness County, KS | Oil Property | Jun 2025 |
| 5139 | CINDA JONES | Creek County, OK | Oil Property | Sep 2013 |
| 5140 | CINDY | Latimer County, OK | Gas Property | Aug 2025 |
| 5141 | CINDY | Harrison County, TX | Oil & Gas Property | Aug 2025 |
| 5142 | CINDY | Upton County, TX | Oil & Gas Property | Sep 2025 |
| 5143 | CINDY 14-23H | Stark County, ND | Oil & Gas Property | Oct 2025 |
| 5144 | CINDY BLIKRE | Williams County, ND | Oil & Gas Property | Oct 2025 |
| 5145 | CINDY CHASEL 3-14A1 | Uintah County, UT | Oil & Gas Property | Sep 2025 |
| 5146 | CINDY KAY | Upton County, TX | Oil & Gas Property | May 2025 |
| 5147 | CINDY LOU 27-13N-9W | Canadian County, OK | Oil & Gas Property | Aug 2025 |
| 5148 | CINDY SUE GU 1 | Nacogdoches County, TX | Oil & Gas Property | Aug 2025 |
| 5149 | CINEREOUS FED COM | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 5150 | CINGANO | Gladwin County, MI | Oil Property | Jul 2025 |
| 5151 | CINK | Grant County, OK | Oil & Gas Property | Oct 2022 |
| 5152 | CINNABAR | Lavaca County, TX | Oil & Gas Property | Sep 2025 |
| 5153 | CINNAMON | Noble County, OK | Oil & Gas Property | Jul 2022 |
| 5154 | CINNAMON | Garfield County, OK | Oil & Gas Property | Aug 2025 |
| 5155 | CINNAMON | Noble County, OK | Oil & Gas Property | Aug 2025 |
| 5156 | CINNAMON 6-64 19-7 | Elbert County, CO | Oil & Gas Property | Oct 2025 |
| 5157 | CINNAMON CREEK | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 5158 | CINNAMON CREEK | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 5159 | CINNAMON TEAL | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 5160 | CINNINGER 14-32TFH | Dunn County, ND | Oil & Gas Property | Oct 2025 |
| 5161 | CINQUE | Weld County, CO | Oil & Gas Property | Sep 2013 |
| 5162 | CINTA | Yolo County, CA | Gas Property | Apr 1993 |
| 5163 | CINTRA I | Atascosa County, TX | Oil & Gas Property | Sep 2025 |
| 5164 | CIONE UNIT | Karnes County, TX | Oil & Gas Property | Sep 2025 |
| 5165 | CIPRIANO | Livingston County, NY | Gas Property | Dec 2024 |
| 5166 | CIRCE STATE | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 5167 | CIRCLE | Barber County, KS | Oil & Gas Property | Jun 2025 |
| 5168 | CIRCLE | Stanton County, KS | Oil & Gas Property | Jun 2025 |
| 5169 | CIRCLE | Barber County, KS | Oil & Gas Property | Jun 2025 |
| 5170 | CIRCLE | Graham County, KS | Oil Property | Mar 2025 |
| 5171 | CIRCLE 28 | Finney County, KS | Oil Property | Sep 2022 |
| 5172 | CIRCLE 6 1-23 | Bowman County, ND | Oil & Gas Property | Oct 2025 |
| 5173 | CIRCLE AC RANCH UNIT A DIM | Dimmit County, TX | Oil & Gas Property | Sep 2025 |
| 5174 | CIRCLE B | Duchesne County, UT | Oil & Gas Property | Sep 2025 |
| 5175 | CIRCLE B 6-66-9-0 | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 5176 | CIRCLE B LAND | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 5177 | CIRCLE BAR K | Grady County, OK | Oil & Gas Property | Aug 2025 |
| 5178 | CIRCLE C | Montgomery County, KS | Oil Property | Sep 1991 |
| 5179 | CIRCLE D | Love County, OK | Oil & Gas Property | Aug 2025 |
| 5180 | CIRCLE DOT | Wheeler County, TX | Oil & Gas Property | Sep 2025 |
| 5181 | CIRCLE DOT RANCH | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 5182 | CIRCLE F | Latimer County, OK | Gas Property | Aug 2025 |
| 5183 | CIRCLE F RANCH 1 | Latimer County, OK | Gas Property | Feb 2019 |
| 5184 | CIRCLE H | Bradford County, PA | Gas Property | Sep 2025 |
| 5185 | CIRCLE INDUSTRIES | Barber County, KS | Oil & Gas Property | Jun 2025 |
| 5186 | CIRCLE J | Magoffin County, KY | Gas Property | Mar 2005 |
| 5187 | CIRCLE M ALLOC 1H | Robertson County, TX | Oil & Gas Property | Sep 2025 |
| 5188 | CIRCLE M FARMS 2514 | Woods County, OK | Oil & Gas Property | Aug 2025 |
| 5189 | CIRCLE MAKER | Tom Green County, TX | Oil & Gas Property | Sep 2025 |
| 5190 | CIRCLE R PARTNERSHIP | Johnson County, TX | Oil & Gas Property | Oct 2024 |
| 5191 | CIRCLE RANCH | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 5192 | CIRCLE S | Kingman County, KS | Oil & Gas Property | Mar 2025 |
| 5193 | CIRCLE T | Dimmit County, TX | Oil & Gas Property | Sep 2025 |
| 5194 | CIRCLE T | Payne County, OK | Oil & Gas Property | Jun 2019 |
| 5195 | CIRCLE W RANCH 1 | Parker County, TX | Gas Property | Sep 2025 |
| 5196 | CIRCLE Z BRA | Bradford County, PA | Gas Property | Jan 2025 |
| 5197 | CIRCLE-V | Okmulgee County, OK | Oil & Gas Property | Oct 2022 |
| 5198 | CIRCOSTA | Monroe County, OH | Gas Property | Jun 2025 |
| 5199 | CIRCUS CIRCUS | Morris County, TX | Oil & Gas Property | Sep 2025 |
| 5200 | CIRQUE | Sublette County, WY | Oil & Gas Property | Sep 2025 |