| 101 | KISSLER-AMEN | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 102 | KITELEY | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 103 | KITZMILLER | Yuma County, CO | Gas Property | Mar 2025 |
| 104 | KIWI 292 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 105 | KIYOTA | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 106 | KLAENHAMMER | Moffat County, CO | Oil & Gas Property | Mar 2025 |
| 107 | KLAUSNER | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 108 | KLEIN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 109 | KLEIN | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 110 | KLEIN | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 111 | KLEIN (LANYARD EXTENSION) | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 112 | KLEIN FEDERAL | La Plata County, CO | Gas Property | Mar 2025 |
| 113 | KLEPPER | Cheyenne County, CO | Oil Property | Mar 2025 |
| 114 | KLIE | Cheyenne County, KS | Gas Property | Mar 2025 |
| 115 | KLINGINSMITH | Weld County, CO | Oil Property | Apr 2014 |
| 116 | KLINGON | Las Animas County, CO | Gas Property | Apr 2025 |
| 117 | KLINZMAN | Yuma County, CO | Gas Property | Mar 2025 |
| 118 | KLINZMANN | Yuma County, CO | Gas Property | Mar 2025 |
| 119 | KLOEFKORN | Washington County, CO | Oil Property | Mar 2025 |
| 120 | KLUSMAN | La Plata County, CO | Gas Property | Mar 2025 |
| 121 | KM DH | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 122 | KNAPP | Yuma County, CO | Gas Property | Mar 2025 |
| 123 | KNAUB | Weld County, CO | Oil & Gas Property | May 2017 |
| 124 | KNAUB | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 125 | KNAUS | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 126 | KNIEVEL | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 127 | KNIGHT | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 128 | KNIGHT | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 129 | KNIGHT | La Plata County, CO | Gas Property | Mar 2025 |
| 130 | KNIGHT D | La Plata County, CO | Gas Property | Mar 2025 |
| 131 | KNIGHT E | La Plata County, CO | Gas Property | Mar 2025 |
| 132 | KNODEL | Yuma County, CO | Gas Property | Mar 2025 |
| 133 | KNOWLTON | Moffat County, CO | Oil Property | Apr 2025 |
| 134 | KNOX | Mesa County, CO | Oil & Gas Property | Mar 2025 |
| 135 | KNOX | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 136 | KNUDSEN | Logan County, CO | Oil Property | Feb 2025 |
| 137 | KODAK | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 138 | KODAK NORTH FD 2 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 139 | KODAK SOUTH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 140 | KOEHLER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 141 | KOENIG | Yuma County, CO | Gas Property | Mar 2025 |
| 142 | KOENIG-ASHBY | Logan County, CO | Oil Property | Mar 2025 |
| 143 | KOESTER | Logan County, CO | Oil & Gas Property | Mar 2013 |
| 144 | KOESTER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 145 | KOHLER | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 146 | KOHLHOFF | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 147 | KOHLHOFF | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 148 | KOKOPELLI | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 149 | KOLOA 15-22 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 150 | KONA A19-6 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 151 | KOON | La Plata County, CO | Gas Property | Mar 2025 |
| 152 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 153 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 154 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 155 | KORI J 19 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 156 | KORTUM | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 157 | KOSHAK | La Plata County, CO | Gas Property | Mar 2025 |
| 158 | KOSKIE-BRUMLEY DRAW | Montezuma County, CO | Oil & Gas Property | Oct 2012 |
| 159 | KOWACH | Moffat County, CO | Oil & Gas Property | Mar 2025 |
| 160 | KRAFT | Adams County, CO | Oil & Gas Property | May 2018 |
| 161 | KRAGER | Weld County, CO | Oil & Gas Property | May 2015 |
| 162 | KRAIG LC25-7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 163 | KRAJACK 43-27 | La Plata County, CO | Gas Property | Mar 2025 |
| 164 | KRAMER FEDERAL LC22-72 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 165 | KRAUSE | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 166 | KREGEL | Cheyenne County, CO | Oil & Gas Property | Apr 2025 |
| 167 | KREPS | Weld County, CO | Oil & Gas Property | Nov 2024 |
| 168 | KREYKES 13-1 | Weld County, CO | Oil & Gas Property | Nov 2015 |
| 169 | KRIER GV 2 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 170 | KRISS | Cheyenne County, CO | Oil & Gas Property | Apr 2025 |
| 171 | KRK 6-1 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 172 | KRK 7 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 173 | KROEGER | La Plata County, CO | Oil & Gas Property | Dec 2022 |
| 174 | KROEGER 33-9 5-1 | La Plata County, CO | Gas Property | Mar 2025 |
| 175 | KROEGER-FERGUSON | La Plata County, CO | Oil & Gas Property | Nov 2014 |
| 176 | KTC FARMS | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 177 | KUETTEL | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 178 | KUGEL | Weld County, CO | Oil & Gas Property | Sep 2018 |
| 179 | KUGEL | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 180 | KUIPERS | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 181 | KUMMER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 182 | KUNER | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 183 | KUNSEMILLER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 184 | KUNSEMILLLER 5-61-20-0801B2B | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 185 | KUNZMAN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 186 | KUNZMAN FEDERAL | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 187 | KUYKENDALL | Moffat County, CO | Oil & Gas Property | Mar 2025 |
| 188 | KY BLUE | Weld County, CO | Oil & Gas Property | Dec 2019 |
| 189 | KYLE WHITE D 27 | Weld County, CO | Oil & Gas Property | Jan 2020 |