| 18101 | CABIN | Okmulgee County, OK | Oil & Gas Property | May 2012 |
| 18102 | CABIN CR | Fallon County, MT | Oil & Gas Property | Feb 2026 |
| 18103 | CABIN CRUISER 1 | Uintah County, UT | Oil & Gas Property | Feb 2026 |
| 18104 | CABIN LAKE 31 FEDERAL | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 18105 | CABINET STATE 55-2 UNIT | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 18106 | CABLE | Pittsburg County, OK | Oil & Gas Property | Jan 2026 |
| 18107 | CABLE | Pittsburg County, OK | Gas Property | Jan 2026 |
| 18108 | CABLE | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 18109 | CABLE | Pittsburg County, OK | Gas Property | Jan 2026 |
| 18110 | CABLE & SNYDER LOGGING CO | Clearfield County, PA | Gas Property | Dec 2024 |
| 18111 | CABLE 19 35 | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18112 | CABLE MARIE 29-15-HLID3 | Richland County, MT | Oil & Gas Property | Feb 2026 |
| 18113 | CABLE, AUSTIN | Lee County, KY | Oil Property | Dec 2023 |
| 18114 | CABLE, JACOB R H | Wolfe County, KY | Oil Property | Dec 2023 |
| 18115 | CABLE, TOPSY | Lee County, KY | Oil Property | Dec 2023 |
| 18116 | CABLE-S | Richland County, MT | Oil & Gas Property | Feb 2026 |
| 18117 | CABLE-STEPPLER 20-2H | Richland County, MT | Oil & Gas Property | Feb 2026 |
| 18118 | CABO BLANCO STATE | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18119 | CABO WABO 24 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18120 | CABO WABO 25 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18121 | CABO WABO FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18122 | CABOT | Texas County, OK | Oil & Gas Property | Jan 2026 |
| 18123 | CABOT 15591-0112 | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 18124 | CABOT AMHERST | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 18125 | CABOT STATE | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18126 | CABOT UNIVERSITY LANDS | Andrews County, TX | Oil & Gas Property | Apr 2014 |
| 18127 | CABOT-DAHL | Hansford County, TX | Gas Property | Feb 2026 |
| 18128 | CABOT-KRAMER | Palo Pinto County, TX | Oil & Gas Property | Oct 2025 |
| 18129 | CABOT-UNIVERSITY | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 18130 | CABRA LOCA 11 B | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18131 | CABRA NINO 11 B | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18132 | CABRA NINO 14 | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18133 | CABRERA 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18134 | CABRITO | Sublette County, WY | Oil & Gas Property | Feb 2026 |
| 18135 | CABRITO LONG STATE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 18136 | CABRITO STATE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 18137 | CABS | Beckham County, OK | Oil & Gas Property | Jan 2026 |
| 18138 | CABWAYLINGO ST | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 18139 | CACHE | Weld County, CO | Oil & Gas Property | May 2025 |
| 18140 | CACHE BASIN | Yolo County, CA | Gas Property | Nov 1987 |
| 18141 | CACHE RIVER 29 32 STATE COM | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 18142 | CACHE UNIT | Montezuma County, CO | Oil & Gas Property | Jul 2014 |
| 18143 | CACKLIN LOU STATE | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 18144 | CACTUS | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18145 | CACTUS | Park County, WY | Oil & Gas Property | Feb 2026 |
| 18146 | CACTUS 149-92-35B-05H TF | Dunn County, ND | Oil & Gas Property | Feb 2026 |
| 18147 | CACTUS 16 STATE | Eddy County, NM | Oil & Gas Property | Apr 2020 |
| 18148 | CACTUS 9 | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18149 | CACTUS B FEDERAL | Chaves County, NM | Gas Property | Feb 2026 |
| 18150 | CACTUS FEDERAL | Chaves County, NM | Gas Property | Feb 2026 |
| 18151 | CACTUS FLOWER | Chaves County, NM | Oil & Gas Property | Feb 2026 |
| 18152 | CACTUS JACK | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 18153 | CACTUS PARK | San Juan County, UT | Oil & Gas Property | Nov 2024 |
| 18154 | CACTUS QUEEN UNIT | Chaves County, NM | Oil & Gas Property | May 2009 |
| 18155 | CACTUS ROSE UNIT | McMullen County, TX | Oil & Gas Property | Feb 2026 |
| 18156 | CACY-SAUER | Bexar County, TX | Oil & Gas Property | Dec 2025 |
| 18157 | CADDEL | Jack County, TX | Oil & Gas Property | Feb 2026 |
| 18158 | CADDELL | Crosby County, TX | Oil & Gas Property | Feb 2026 |
| 18159 | CADDELL | Hockley County, TX | Oil & Gas Property | Jan 2026 |
| 18160 | CADDELL | Denton County, TX | Oil & Gas Property | Feb 2026 |
| 18161 | CADDIS UNIT | Monroe County, OH | Gas Property | Dec 2025 |
| 18162 | CADDO 20 | Roger Mills County, OK | Oil & Gas Property | Feb 2026 |
| 18163 | CADDO FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18164 | CADDO LAKE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18165 | CADDO LAKE (AW) | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 18166 | CADDO LEV | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18167 | CADDO MINERAL | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18168 | CADDO OIL FIELDS CO FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18169 | CADDO OIL MIN | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18170 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18171 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18172 | CADDO PARISH SCHOOL BOARD | Caddo Parish, LA | Oil Property | Jan 2025 |
| 18173 | CADDO PR SCHL BD | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 18174 | CADDO SER 1 | Caddo Parish, LA | Gas Property | Dec 2024 |
| 18175 | CADE | Galveston County, TX | Oil & Gas Property | Feb 2026 |
| 18176 | CADE | Eastland County, TX | Oil & Gas Property | Jan 2023 |
| 18177 | CADE 12 | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 18178 | CADE ESTATE | Caddo County, OK | Oil & Gas Property | Jan 2026 |
| 18179 | CADEN | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 18180 | CADENA 0310 | Campbell County, WY | Oil & Gas Property | Feb 2026 |
| 18181 | CADENHEAD | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 18182 | CADENHEAD | Harrison County, TX | Oil & Gas Property | Feb 2026 |
| 18183 | CADENHEAD | Ward County, TX | Oil & Gas Property | Feb 2026 |
| 18184 | CADENHEAD | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 18185 | CADENHEAD UNIT | La Salle County, TX | Oil & Gas Property | Feb 2026 |
| 18186 | CADER 00 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 18187 | CADET FE | Johnson County, WY | Oil & Gas Property | Feb 2026 |
| 18188 | CADILLAC | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 18189 | CADLE MAHN7 | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 18190 | CADMIUM 147-93-17B-20H | Dunn County, ND | Oil & Gas Property | Feb 2026 |
| 18191 | CADMIUM FR UNIT 30 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 18192 | CADWALADER UNIT | Lycoming County, PA | Gas Property | Feb 2026 |
| 18193 | CADY | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 18194 | CADY 'A' | Seward County, KS | Oil & Gas Property | Dec 2025 |
| 18195 | CADY WIL | Harper County, OK | Oil & Gas Property | Jan 2026 |
| 18196 | CADY WILLIAM R. ET AL | Anderson County, TX | Oil & Gas Property | Jan 2026 |
| 18197 | CAESAR | Seminole County, OK | Oil Property | Nov 2025 |
| 18198 | CAESAR | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 18199 | CAESAR 32 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 18200 | CAESAR BURGESS A | Seminole County, OK | Oil Property | Jan 2025 |