| 1101 | JUEDEMAN | Toole County, MT | Oil Property | May 2023 |
| 1102 | JULIE | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1103 | JUNE | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1104 | JUNE BR 1-5HSL | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1105 | JURASSIC | Fallon County, MT | Gas Property | Feb 2025 |
| 1106 | JURASSIC | Wibaux County, MT | Gas Property | Feb 2025 |
| 1107 | JUSTICE FEDERAL 2759 44-11T | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1108 | KAERCHER | Hill County, MT | Gas Property | Nov 2017 |
| 1109 | KAFKA | Hill County, MT | Gas Property | Mar 2025 |
| 1110 | KAI 16 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1111 | KAL BAR 1 | Toole County, MT | Oil Property | Nov 2023 |
| 1112 | KALBAR FEE | Toole County, MT | Oil Property | Mar 2025 |
| 1113 | KALBFLEISCH | Toole County, MT | Gas Property | Apr 2024 |
| 1114 | KALISPELL-KEVIN | Toole County, MT | Oil Property | Feb 2015 |
| 1115 | KALISPELL-KEVIN | Toole County, MT | Oil & Gas Property | Oct 2017 |
| 1116 | KANE | Blaine County, MT | Gas Property | Mar 2025 |
| 1117 | KANE | Chouteau County, MT | Gas Property | Mar 2025 |
| 1118 | KANE 1 | Blaine County, MT | Gas Property | Mar 2025 |
| 1119 | KANNING | Toole County, MT | Oil & Gas Property | Feb 2025 |
| 1120 | KAREN | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1121 | KARMAN | Yellowstone County, MT | Oil Property | Jun 2023 |
| 1122 | KASTON | Toole County, MT | Oil Property | Mar 2025 |
| 1123 | KATHERINE | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1124 | KATRINA 30-31 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1125 | KEATING | Stillwater County, MT | Gas Property | Oct 2022 |
| 1126 | KEESUN | Toole County, MT | Gas Property | Jun 2020 |
| 1127 | KEG COULEE | Musselshell County, MT | Oil Property | Nov 2024 |
| 1128 | KEIL RANCH | Pondera County, MT | Gas Property | Apr 2023 |
| 1129 | KEITH 1 | Liberty County, MT | Oil Property | Nov 2024 |
| 1130 | KELDSEN | Sheridan County, MT | Oil & Gas Property | Sep 2013 |
| 1131 | KELLEHER | Toole County, MT | Gas Property | Feb 2025 |
| 1132 | KELLER | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1133 | KELLOGG | Pondera County, MT | Oil Property | Feb 2025 |
| 1134 | KELLY | Yellowstone County, MT | Oil Property | Mar 2025 |
| 1135 | KELSEY | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1136 | KENDRICK | Big Horn County, MT | Oil Property | Feb 2025 |
| 1137 | KENNEDY 16-21 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1138 | KENNY | Toole County, MT | Oil Property | Mar 2025 |
| 1139 | KEROS | Glacier County, MT | Gas Property | Mar 2025 |
| 1140 | KESSLER 31B-2-1H | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1141 | KESTERSON | Rosebud County, MT | Oil Property | Jul 2002 |
| 1142 | KILEN 21-15-1H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1143 | KILLION (1 | Chouteau County, MT | Gas Property | Dec 1989 |
| 1144 | KIM 1-12H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1145 | KINCAID | Big Horn County, MT | Gas Property | Oct 2020 |
| 1146 | KINCHELOE | Rosebud County, MT | Oil & Gas Property | Mar 2025 |
| 1147 | KINCHELOE | Rosebud County, MT | Oil & Gas Property | Nov 2024 |
| 1148 | KINCHELOE | Rosebud County, MT | Oil Property | Jul 2024 |
| 1149 | KINDLEMAN | Musselshell County, MT | Oil Property | Jun 1993 |
| 1150 | KINGSBURY | Pondera County, MT | Oil Property | Mar 2025 |
| 1151 | KINYON | Toole County, MT | Gas Property | Aug 2022 |
| 1152 | KIRCHNER | Stillwater County, MT | Gas Property | Oct 2014 |
| 1153 | KIRKWOOD | Fallon County, MT | Oil & Gas Property | Mar 2025 |
| 1154 | KITTLESON | Richland County, MT | Oil & Gas Property | Mar 2010 |
| 1155 | KITTLESON | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1156 | KL JACKSON 2959 43-20H | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1157 | KLASNA | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1158 | KLASNA (REDRILL) 3-19H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1159 | KLEINERT | Toole County, MT | Oil Property | Feb 2025 |
| 1160 | KLEINJAN 13-34-18 | Blaine County, MT | Gas Property | Jul 2016 |
| 1161 | KOLHEI | Liberty County, MT | Gas Property | Feb 2025 |
| 1162 | KOLSTAD | Toole County, MT | Gas Property | Feb 2025 |
| 1163 | KRAUSE | Toole County, MT | Oil Property | Jun 2020 |
| 1164 | KRAVIK | Hill County, MT | Gas Property | Mar 2025 |
| 1165 | KROGEDAL | Roosevelt County, MT | Oil & Gas Property | May 1997 |
| 1166 | KROGEDAL | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1167 | KRUGER | Glacier County, MT | Oil & Gas Property | Mar 2025 |
| 1168 | KUCHINSKI | Carbon County, MT | Gas Property | May 2024 |
| 1169 | KULBECK 3-32-15 | Hill County, MT | Gas Property | Mar 2025 |
| 1170 | L. DAVENPORT | Big Horn County, MT | Gas Property | Sep 2020 |
| 1171 | L. JOHNANSEN 1 | Sheridan County, MT | Oil & Gas Property | Mar 2025 |
| 1172 | L.W. LOUGH | Roosevelt County, MT | Oil & Gas Property | Apr 2008 |
| 1173 | LAAS | Liberty County, MT | Gas Property | Apr 2023 |
| 1174 | LABONTE 1-17 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1175 | LAGERQUIST | Sheridan County, MT | Oil & Gas Property | Mar 2025 |
| 1176 | LAIRD | Liberty County, MT | Gas Property | Feb 2025 |
| 1177 | LAIRD CR | Liberty County, MT | Oil & Gas Property | Feb 2025 |
| 1178 | LANGABEER | Glacier County, MT | Oil & Gas Property | Mar 2025 |
| 1179 | LANGE | Liberty County, MT | Oil & Gas Property | Feb 2025 |
| 1180 | LARMON | Glacier County, MT | Oil Property | Mar 2025 |
| 1181 | LAROCHE HARRISON | Phillips County, MT | Gas Property | Feb 2025 |
| 1182 | LARSEN FARMS 1 | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1183 | LARSON | Glacier County, MT | Gas Property | Oct 2024 |
| 1184 | LARSON | Dawson County, MT | Oil & Gas Property | Nov 2022 |
| 1185 | LARSON | Richland County, MT | Oil & Gas Property | Jul 2023 |
| 1186 | LARSON | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1187 | LARSON | Toole County, MT | Oil Property | Mar 2025 |
| 1188 | LARSON SWANSON | Pondera County, MT | Oil & Gas Property | Jul 1992 |
| 1189 | LARTER | Sheridan County, MT | Oil & Gas Property | Sep 2006 |
| 1190 | LASSEY | Richland County, MT | Oil & Gas Property | Sep 1992 |
| 1191 | LAUBACH | McCone County, MT | Oil Property | Mar 1994 |
| 1192 | LAUENER | Liberty County, MT | Gas Property | Feb 2025 |
| 1193 | LAWSON | Richland County, MT | Oil & Gas Property | Jun 1987 |
| 1194 | LAZY D | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1195 | LEA JOE 1-1H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1196 | LEACH | Toole County, MT | Oil Property | Jan 2025 |
| 1197 | LEAH 29-32 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1198 | LEDERER | Teton County, MT | Oil Property | Feb 2025 |
| 1199 | LEGHORN | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1200 | LEGHORN HAZARD 32-15-HID3 | Richland County, MT | Oil & Gas Property | Mar 2025 |