| 101 | BCUD 5614R | Powder River County, MT | Oil & Gas Property | Jan 2025 |
| 102 | BEAGLE 1 | Richland County, MT | Oil & Gas Property | Nov 2018 |
| 103 | BEANBLOSSOM-A | Garfield County, MT | Oil & Gas Property | Dec 2024 |
| 104 | BEARCAT STATE 1-16H | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 105 | BEAUDOIN | Liberty County, MT | Gas Property | Jan 2025 |
| 106 | BEAUPRE | Toole County, MT | Oil Property | Mar 2010 |
| 107 | BECKER | Hill County, MT | Gas Property | Jan 2025 |
| 108 | BEERY | McCone County, MT | Oil Property | Dec 2011 |
| 109 | BEIER B A/C | Valley County, MT | Oil & Gas Property | Nov 1990 |
| 110 | BELL CREEK | Powder River County, MT | Oil & Gas Property | Jan 2025 |
| 111 | BELLONGER-CLARK | Valley County, MT | Oil & Gas Property | Jan 2025 |
| 112 | BENJAMIN | Toole County, MT | Gas Property | Jan 2025 |
| 113 | BENSON | Sheridan County, MT | Oil & Gas Property | Nov 2019 |
| 114 | BERG | Toole County, MT | Gas Property | Jan 2025 |
| 115 | BERG 32-1 | Hill County, MT | Gas Property | Oct 2024 |
| 116 | BERGER | Glacier County, MT | Gas Property | Jan 2025 |
| 117 | BERGER | Hill County, MT | Gas Property | Jan 2025 |
| 118 | BERKNER-STATE | Toole County, MT | Oil Property | Aug 2024 |
| 119 | BERKRAM | Glacier County, MT | Oil Property | Dec 1993 |
| 120 | BERKRAM | Glacier County, MT | Oil Property | Jan 2025 |
| 121 | BERRY | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 122 | BERRY 24-32-1H | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 123 | BERTHELOTE | Toole County, MT | Oil & Gas Property | Dec 2024 |
| 124 | BERWICK | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 125 | BESSETTE | Hill County, MT | Gas Property | Dec 2014 |
| 126 | BESSETTE | Hill County, MT | Gas Property | Jan 2025 |
| 127 | BETHEL KRAMER | Petroleum County, MT | Oil Property | Sep 2017 |
| 128 | BETHEL RATTLER | Petroleum County, MT | Oil & Gas Property | Oct 2019 |
| 129 | BETSY FEDERAL 2758 24-29H | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 130 | BETTSYE | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 131 | BEULAH IRENE | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 132 | BICKETT | Glacier County, MT | Gas Property | Jan 2025 |
| 133 | BIDEGARAY | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 134 | BIEBINGER | Blaine County, MT | Gas Property | Jan 2025 |
| 135 | BIEBINGER | Blaine County, MT | Gas Property | Jan 2025 |
| 136 | BIG COULEE | Stillwater County, MT | Gas Property | Apr 2024 |
| 137 | BIG MUDDY 1 | Roosevelt County, MT | Oil & Gas Property | Oct 2017 |
| 138 | BIG PHEASANT 12X-1 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 139 | BIG SKY | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 140 | BIG WALL | Musselshell County, MT | Oil & Gas Property | Jul 2024 |
| 141 | BIG WEST ANDERSON | Toole County, MT | Oil Property | Mar 1994 |
| 142 | BILLS | Teton County, MT | Oil & Gas Property | Dec 2002 |
| 143 | BILLS RANCH/SECURITY BANK | Teton County, MT | Gas Property | Dec 2024 |
| 144 | BINGHAM | Liberty County, MT | Oil & Gas Property | Dec 2024 |
| 145 | BINGHAM-SCHAFER | Liberty County, MT | Oil & Gas Property | Dec 2024 |
| 146 | BJORNSON | Blaine County, MT | Gas Property | Jan 2025 |
| 147 | BJORNSTAD | Liberty County, MT | Gas Property | Dec 1999 |
| 148 | BLACKFEET | Glacier County, MT | Oil & Gas Property | Jan 2025 |
| 149 | BLACKFEET TRIB | Glacier County, MT | Oil & Gas Property | Dec 2024 |
| 150 | BLACKFEET TRIBAL | Glacier County, MT | Oil Property | Apr 2018 |
| 151 | BLACKJACK HANNA 1-36HSU | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 152 | BLACKLEAF | Teton County, MT | Oil & Gas Property | Oct 1991 |
| 153 | BLACKSTONE 24X-3 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 154 | BLACKWOOD | Blaine County, MT | Gas Property | Jan 2025 |
| 155 | BLACKWOOD | Blaine County, MT | Gas Property | Jan 2025 |
| 156 | BLACKWOOD | Blaine County, MT | Gas Property | Jan 2025 |
| 157 | BLAIR | Liberty County, MT | Oil & Gas Property | Jan 2025 |
| 158 | BLAKEWAY 1 | Blaine County, MT | Gas Property | Jan 2025 |
| 159 | BLEHA | Blaine County, MT | Gas Property | Dec 1998 |
| 160 | BLEHA | Blaine County, MT | Gas Property | Jan 2025 |
| 161 | BLINDA 10-3-34 #3H | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 162 | BLUHM | Toole County, MT | Oil Property | Jan 2006 |
| 163 | BLUMBERG | Toole County, MT | Oil & Gas Property | Jan 2025 |
| 164 | BLUMBERG | Toole County, MT | Oil Property | Jun 2024 |
| 165 | BLUMBERG | Toole County, MT | Oil Property | Jul 2016 |
| 166 | BN (21X25 | Richland County, MT | Oil & Gas Property | Apr 2006 |
| 167 | BN 11 | Rosebud County, MT | Oil & Gas Property | Sep 2019 |
| 168 | BN 22X-31 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 169 | BN 24 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 170 | BNI 29 | Musselshell County, MT | Oil & Gas Property | Jul 1998 |
| 171 | BNI 3 | Musselshell County, MT | Oil & Gas Property | Mar 2005 |
| 172 | BOB 42X-4 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 173 | BOB CRUSCH 2-10 | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 174 | BOBS FARM | Hill County, MT | Gas Property | Aug 2019 |
| 175 | BOBS FARM | Hill County, MT | Gas Property | Jan 2025 |
| 176 | BOGGESS | Blaine County, MT | Gas Property | Jan 2025 |
| 177 | BOLES | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 178 | BOLKE | Sheridan County, MT | Oil & Gas Property | May 2021 |
| 179 | BOLSTAD 1 | Sheridan County, MT | Oil & Gas Property | Jan 2002 |
| 180 | BOND ( | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 181 | BONITA 1-22F | Fallon County, MT | Oil & Gas Property | Jan 2025 |
| 182 | BONNIE | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 183 | BOTTS | Yellowstone County, MT | Oil Property | Jul 2016 |
| 184 | BOUCHER | Pondera County, MT | Gas Property | Dec 2023 |
| 185 | BOUMANS | Pondera County, MT | Gas Property | Jan 2024 |
| 186 | BOUVARDIA FED. 2658 12-12H | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 187 | BOWES | Blaine County, MT | Gas Property | Jan 2025 |
| 188 | BOWES SAWTOOTH | Blaine County, MT | Oil & Gas Property | Jan 2025 |
| 189 | BOWIE 2958 42-21 1H | Roosevelt County, MT | Oil & Gas Property | Jan 2025 |
| 190 | BOWMAN | Phillips County, MT | Gas Property | Jan 2025 |
| 191 | BOYCE | Chouteau County, MT | Gas Property | Jan 2025 |
| 192 | BOYCE | Hill County, MT | Gas Property | Jan 2025 |
| 193 | BOYCE 19 | Hill County, MT | Gas Property | Jan 2025 |
| 194 | BR 11-27H 43 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 195 | BR 44-36H | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 196 | BR 11 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 197 | BR 11-14H54 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 198 | BR 11-17H 28 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 199 | BR 13 | Fallon County, MT | Gas Property | Jan 2025 |
| 200 | BR 14-29H | Richland County, MT | Oil & Gas Property | Jan 2025 |