| 3101 | MCCAFFREY STATE LD12-7 | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3102 | MCCALL | Yuma County, CO | Gas Property | Sep 2025 |
| 3103 | MCCALLUM | Jackson County, CO | Oil & Gas Property | Sep 2025 |
| 3104 | MCCALLUM | Jackson County, CO | Oil & Gas Property | Sep 2025 |
| 3105 | MCCALLUM UNIT | Jackson County, CO | Oil & Gas Property | Sep 2025 |
| 3106 | MCCARTHY | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3107 | MCCARTY | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3108 | MCCARTY | Boulder County, CO | Oil & Gas Property | Mar 2022 |
| 3109 | MCCARVILLE | La Plata County, CO | Gas Property | Sep 2025 |
| 3110 | MCCASLAND | Yuma County, CO | Gas Property | Sep 2025 |
| 3111 | MCCASLIN | Yuma County, CO | Gas Property | Sep 2025 |
| 3112 | MCCATHRON A | La Plata County, CO | Gas Property | Sep 2025 |
| 3113 | MCCAW | La Plata County, CO | Gas Property | Sep 2025 |
| 3114 | MCCLAY | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 3115 | MCCLELLAN | Weld County, CO | Oil & Gas Property | Feb 2017 |
| 3116 | MCCLOSKEY | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 3117 | MCCLUNG 29 | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3118 | MCCONAHAY | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3119 | MCCONLEY | Logan County, CO | Oil Property | May 2015 |
| 3120 | MCCONNELL | Yuma County, CO | Gas Property | Sep 2025 |
| 3121 | MCCONNELL | Yuma County, CO | Gas Property | Sep 2025 |
| 3122 | MCCORMICK | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 3123 | MCCORMICK | Cheyenne County, CO | Oil & Gas Property | Oct 2025 |
| 3124 | MCCOY | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 3125 | MCCOY | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3126 | MCCREATH | Washington County, CO | Gas Property | Oct 2025 |
| 3127 | MCCULLOCH | La Plata County, CO | Gas Property | Sep 2025 |
| 3128 | MCDANIEL | Mesa County, CO | Oil & Gas Property | Sep 2025 |
| 3129 | MCDONALD | Yuma County, CO | Gas Property | Sep 2025 |
| 3130 | MCDONALD | Weld County, CO | Oil & Gas Property | Jun 2024 |
| 3131 | MCDONALD | Boulder County, CO | Oil & Gas Property | Sep 2025 |
| 3132 | MCDONALD | Las Animas County, CO | Gas Property | Oct 2025 |
| 3133 | MCDONALD | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3134 | MCELMO DOME | Montezuma County, CO | Oil & Gas Property | Oct 2025 |
| 3135 | MCELMO DOME UNIT 3 | Montezuma County, CO | Oil & Gas Property | Oct 2025 |
| 3136 | MCELMO DOME UNIT 31-38-18 HB | Montezuma County, CO | Oil & Gas Property | Oct 2025 |
| 3137 | MCELVAIN | La Plata County, CO | Gas Property | Sep 2025 |
| 3138 | MCELVAIN | La Plata County, CO | Gas Property | Nov 2019 |
| 3139 | MCELWAIN | Adams County, CO | Oil & Gas Property | Jul 2021 |
| 3140 | MCELWAIN 12 | Mesa County, CO | Oil & Gas Property | Sep 2025 |
| 3141 | MCGIRR | Larimer County, CO | Oil & Gas Property | Sep 2025 |
| 3142 | MCGLOTHLIN | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3143 | MCGLOTHLIN | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 3144 | MCGLOTHLIN | Weld County, CO | Oil & Gas Property | May 2018 |
| 3145 | MCGUCKIN | Weld County, CO | Oil & Gas Property | Mar 2021 |
| 3146 | MCINTOSH | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 3147 | MCINTYRE | Moffat County, CO | Oil & Gas Property | Oct 2015 |
| 3148 | MCINTYRE CANY | San Miguel County, CO | Oil & Gas Property | Nov 2023 |
| 3149 | MCKAY FEDERAL AB02-15 | Weld County, CO | Oil Property | Sep 2025 |
| 3150 | MCKEE | Weld County, CO | Oil & Gas Property | Oct 2017 |
| 3151 | MCKEE UTE 01-26 1 | La Plata County, CO | Gas Property | Sep 2025 |
| 3152 | MCKENNEY | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3153 | MCKENNEY 1 | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 3154 | MCKINLEY | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 3155 | MCKINSTRY | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3156 | MCLAUGHLIN | Rio Blanco County, CO | Oil & Gas Property | Oct 2025 |
| 3157 | MCLAUGHLIN | Rio Blanco County, CO | Oil & Gas Property | Oct 2025 |
| 3158 | MCLAUGHLIN | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3159 | MCLAUGHLIN-CONSOLIDATED-G 8 | Rio Blanco County, CO | Oil & Gas Property | Oct 2025 |
| 3160 | MCLEOD | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 3161 | MCLIN | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3162 | MCMANUS 33-22 | La Plata County, CO | Gas Property | Sep 2025 |
| 3163 | MCMILLEN | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3164 | MCNARY | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3165 | MCNEAR | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3166 | MCPEEK | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 3167 | MCPHERSON A | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3168 | MCU 16-13 | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3169 | MCU 2 | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3170 | MCU FEE | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3171 | MCWILLIAMS | Weld County, CO | Oil & Gas Property | May 2021 |
| 3172 | MCWILLIAMS | Moffat County, CO | Gas Property | Jun 2025 |
| 3173 | MCWILLIAMS D | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 3174 | MEAD | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3175 | MEAD | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3176 | MEAD FEDERAL 30 | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 3177 | MEAD PLACE | Weld County, CO | Oil & Gas Property | Aug 2021 |
| 3178 | MEADER | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3179 | MEADOR | Mesa County, CO | Gas Property | Jun 2003 |
| 3180 | MEAGHER | Rio Blanco County, CO | Oil & Gas Property | Sep 2025 |
| 3181 | MECKLENBURG STATE LD01-7 | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3182 | MEEHL 01N-65W-24 | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3183 | MEESE | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3184 | MEGAN H16 | Weld County, CO | Oil & Gas Property | Dec 2022 |
| 3185 | MEGAN STATE H | Weld County, CO | Oil & Gas Property | Jul 2023 |
| 3186 | MEGUIRE | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3187 | MEINING | Weld County, CO | Oil & Gas Property | Dec 2021 |
| 3188 | MEIS | Yuma County, CO | Gas Property | Sep 2025 |
| 3189 | MEIS | Yuma County, CO | Gas Property | Sep 2025 |
| 3190 | MEKELBURG | Yuma County, CO | Gas Property | Sep 2025 |
| 3191 | MEKELBURG | Yuma County, CO | Gas Property | Sep 2025 |
| 3192 | MEKELBURG | Yuma County, CO | Gas Property | Sep 2025 |
| 3193 | MELBA 2 | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3194 | MELBON | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3195 | MELFORT 7-66-3-10-4N | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3196 | MELLON 28 | Weld County, CO | Oil & Gas Property | Jul 2020 |
| 3197 | MEMO MC 8 | Boulder County, CO | Oil & Gas Property | Apr 2025 |
| 3198 | MENKE | Morgan County, CO | Oil & Gas Property | Jun 2025 |
| 3199 | MENONI B30 | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 3200 | MERCURE | Weld County, CO | Oil & Gas Property | Aug 2017 |