| 28101 | CRUICKSHANK | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 28102 | CRUISE | Cheyenne County, NE | Oil & Gas Property | Dec 2025 |
| 28103 | CRUISE | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 28104 | CRUISER | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 28105 | CRUM | King County, TX | Oil & Gas Property | Jan 2026 |
| 28106 | CRUM | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 28107 | CRUM | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 28108 | CRUM | Ochiltree County, TX | Oil & Gas Property | Jul 2025 |
| 28109 | CRUM | Martin County, KY | Gas Property | Dec 2024 |
| 28110 | CRUM | Ochiltree County, TX | Oil & Gas Property | Mar 2026 |
| 28111 | CRUM NV55 | Washington County, PA | Gas Property | Mar 2026 |
| 28112 | CRUMP | Claiborne Parish, LA | Oil & Gas Property | Sep 2008 |
| 28113 | CRUMP | Clay County, TX | Oil & Gas Property | Mar 2026 |
| 28114 | CRUMP | Campbell County, WY | Gas Property | Aug 2010 |
| 28115 | CRUMP | Moore County, TX | Gas Property | Jan 2025 |
| 28116 | CRUMP | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 28117 | CRUMP | Pawnee County, OK | Oil & Gas Property | Jul 2020 |
| 28118 | CRUMP | Garza County, TX | Oil & Gas Property | Jan 2026 |
| 28119 | CRUMP | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 28120 | CRUMP | Stephens County, OK | Oil Property | Apr 2026 |
| 28121 | CRUMP | Campbell County, WY | Gas Property | Oct 2017 |
| 28122 | CRUMP | Andrews County, TX | Oil & Gas Property | Sep 2023 |
| 28123 | CRUMP | Cooke County, TX | Oil & Gas Property | Jul 2022 |
| 28124 | CRUMP 424 | Yoakum County, TX | Oil Property | Mar 2026 |
| 28125 | CRUMP 48 | Crane County, TX | Oil & Gas Property | Mar 2026 |
| 28126 | CRUMP EST | Webster Parish, LA | Oil & Gas Property | Jul 2016 |
| 28127 | CRUMP FED | Campbell County, WY | Gas Property | Oct 2017 |
| 28128 | CRUMP GAS UNIT | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 28129 | CRUMP W. E | Ward County, TX | Oil & Gas Property | Aug 2023 |
| 28130 | CRUMP, J. O | Throckmorton County, TX | Oil & Gas Property | Apr 2019 |
| 28131 | CRUMP, RAYMOND | Warren County, KY | Oil Property | Apr 2024 |
| 28132 | CRUMP-LUCAS UNIT | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 28133 | CRUMPACKER | Carson County, TX | Oil & Gas Property | Mar 2026 |
| 28134 | CRUMPACKER | McPherson County, KS | Oil Property | Dec 2025 |
| 28135 | CRUMPACKER | Carson County, TX | Oil & Gas Property | Jul 2020 |
| 28136 | CRUMPLER | Lincoln County, OK | Oil & Gas Property | Feb 2009 |
| 28137 | CRUMPLER | Columbia County, AR | Oil & Gas Property | Mar 2026 |
| 28138 | CRUMPTON, S.R | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 28139 | CRUMPTON-WILLIAMS | Palo Pinto County, TX | Oil & Gas Property | Jul 2025 |
| 28140 | CRUNCH BERRY 6 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 28141 | CRUSADER 1-16H | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 28142 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Nov 2014 |
| 28143 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Nov 2013 |
| 28144 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Apr 2026 |
| 28145 | CRUSE | Tyler County, TX | Oil & Gas Property | Mar 2026 |
| 28146 | CRUSE | Hardin County, TX | Oil & Gas Property | Mar 2026 |
| 28147 | CRUSOE BKO FED | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 28148 | CRUTCHFIELD | Irion County, TX | Oil & Gas Property | Mar 2026 |
| 28149 | CRUTCHFIELD | Carson County, TX | Oil & Gas Property | Mar 2026 |
| 28150 | CRUTCHFIELD | Pittsburg County, OK | Gas Property | Mar 2026 |
| 28151 | CRUTCHFIELD, THOMAS CRUT | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 28152 | CRUTTENDEN | Tioga County, PA | Gas Property | Mar 2026 |
| 28153 | CRUZ | Union County, KY | Oil Property | Oct 2000 |
| 28154 | CRX YBAR | McMullen County, TX | Oil & Gas Property | Mar 2026 |
| 28155 | CRX YBAR | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 28156 | CRYE | Caddo Parish, LA | Oil Property | Jan 2025 |
| 28157 | CRYING TREE | Dunn County, ND | Oil & Gas Property | Nov 2025 |
| 28158 | CRYPT 30 STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 28159 | CRYSTAL | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 28160 | CRYSTAL | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 28161 | CRYSTAL | Bradford County, PA | Gas Property | Mar 2026 |
| 28162 | CRYSTAL 14X-34 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 28163 | CRYSTAL 3-34 PA | Ellis County, OK | Oil & Gas Property | Mar 2026 |
| 28164 | CRYSTAL 6-65 22-10 | Elbert County, CO | Oil & Gas Property | Apr 2026 |
| 28165 | CRYSTAL BARNHAR | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 28166 | CRYSTAL FEE | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 28167 | CRYSTAL MICHELLE 28 | Ellis County, OK | Oil & Gas Property | Mar 2026 |
| 28168 | CRYSTAL OIL | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 28169 | CRYSTAL OIL CO | Caddo Parish, LA | Oil Property | Jan 2025 |
| 28170 | CRYSTELLE WAGGONER | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 28171 | CRYTZER | Armstrong County, PA | Gas Property | Mar 2026 |
| 28172 | CS 4600 WX FU: USA | Franklin County, MS | Oil & Gas Property | Apr 2026 |
| 28173 | CS-KINKADE | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 28174 | CS-LONGMEADOW | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 28175 | CS-SCOTT | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 28176 | CS-SHERWOOD | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 28177 | CSF 1 | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 28178 | CSF 2 | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 28179 | CSF 3 | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 28180 | CSF 4 | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 28181 | CSFED 1 | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 28182 | CSI 5H | Bradford County, PA | Gas Property | Mar 2026 |
| 28183 | CSPC | Guernsey County, OH | Oil & Gas Property | Dec 2025 |
| 28184 | CST UNIT | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 28185 | CSTSU | Rosebud County, MT | Oil Property | Jul 2025 |
| 28186 | CT 35 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 28187 | CT 39 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 28188 | CTA STATE COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 28189 | CTC UNIT | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 28190 | CTF 32-13-4 | Carroll County, OH | Oil & Gas Property | Mar 2026 |
| 28191 | CTL OBRIEN ET AL | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 28192 | CTLC 2 | Lee County, FL | Oil & Gas Property | May 2018 |
| 28193 | CTU-FEE | Weston County, WY | Oil & Gas Property | Aug 1997 |
| 28194 | CU DOWNS FED | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 28195 | CU DOWNS FED 28 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 28196 | CU DOWNS FED 3 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 28197 | CU REPP FED 09-213769-1XTPH | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 28198 | CUADRILLA | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 28199 | CUADRITO AZO FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 28200 | CUATRO 21 | Martin County, TX | Oil & Gas Property | Feb 2026 |