| 4101 | ARISTOCRAT | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 4102 | ARITHSON | Bowman County, ND | Oil & Gas Property | May 2026 |
| 4103 | ARIZOLA PETROLEUM CO | Lasalle Parish, LA | Oil Property | Nov 2024 |
| 4104 | ARIZOLA-LA PETRO AS | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 4105 | ARIZONA JICARILLA | Rio Arriba County, NM | Oil & Gas Property | May 2026 |
| 4106 | ARIZONA JICARILLA B | Rio Arriba County, NM | Oil & Gas Property | May 2026 |
| 4107 | ARK 21-15 | Williams County, ND | Oil & Gas Property | May 2026 |
| 4108 | ARK 36 STATE | Eddy County, NM | Oil & Gas Property | May 2026 |
| 4109 | ARK FUE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 4110 | ARK FUEL OIL-ROBINSON FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 4111 | ARK LAND | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 4112 | ARK LAND 02-114372 | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 4113 | ARK LAND AL | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 4114 | ARK LAND CO | Harlan County, KY | Oil & Gas Property | Dec 2024 |
| 4115 | ARK LAND CO | Letcher County, KY | Oil & Gas Property | Dec 2024 |
| 4116 | ARK LAND CO | Harlan County, KY | Oil & Gas Property | Dec 2024 |
| 4117 | ARK LAND COMPANY | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 4118 | ARK LAND COMPANY | Logan County, WV | Gas Property | Dec 2021 |
| 4119 | ARK LAND COMPANY CARBIDE | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 4120 | ARK LAND FED | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 4121 | ARK LAND KH BCC 97 | Logan County, WV | Gas Property | May 2011 |
| 4122 | ARKADIOS 1-18H | Dunn County, ND | Oil & Gas Property | May 2026 |
| 4123 | ARKALON | Seward County, KS | Oil & Gas Property | Mar 2026 |
| 4124 | ARKANSAS | Conway County, AR | Gas Property | Jul 1986 |
| 4125 | ARKANSAS | Tarrant County, TX | Gas Property | May 2026 |
| 4126 | ARKANSAS 23 FEE | Eddy County, NM | Oil & Gas Property | May 2026 |
| 4127 | ARKANSAS 4-64 3-2 | Arapahoe County, CO | Oil & Gas Property | Apr 2026 |
| 4128 | ARKANSAS F | Caddo Parish, LA | Oil Property | Jan 2025 |
| 4129 | ARKANSAS KRAFT | Conway County, AR | Gas Property | Jul 2024 |
| 4130 | ARKANSAS R | Pawnee County, KS | Oil Property | Mar 2026 |
| 4131 | ARKANSAS REAL ESTATE | Logan County, AR | Gas Property | Jul 1982 |
| 4132 | ARKANSAS STATE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 4133 | ARKANSAS VALLEY | Le Flore County, OK | Gas Property | Mar 2018 |
| 4134 | ARKANSAS-KRAFT | Latimer County, OK | Gas Property | May 2026 |
| 4135 | ARKENSTONE 31 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2026 |
| 4136 | ARKIE-BILL | Gray County, TX | Oil & Gas Property | May 2020 |
| 4137 | ARKIN 44-12TFH | Dunn County, ND | Oil & Gas Property | May 2026 |
| 4138 | ARKLA-BLACKSTONE | Cass County, TX | Oil & Gas Property | May 2026 |
| 4139 | ARKLAN | Cleburne County, AR | Gas Property | Jul 2024 |
| 4140 | ARKLAND | Campbell County, WY | Gas Property | Jan 2010 |
| 4141 | ARKTIKA | Karnes County, TX | Oil & Gas Property | May 2026 |
| 4142 | ARLAN | Hughes County, OK | Oil & Gas Property | May 2026 |
| 4143 | ARLAN | Ness County, KS | Oil Property | Mar 2026 |
| 4144 | ARLAND | Scurry County, TX | Oil & Gas Property | May 2026 |
| 4145 | ARLAND WEAVER | Columbiana County, OH | Oil & Gas Property | Dec 2025 |
| 4146 | ARLDT | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 4147 | ARLDT ERWIN E | Lee County, TX | Oil & Gas Property | Dec 2024 |
| 4148 | ARLEDGE | Coke County, TX | Oil & Gas Property | May 2026 |
| 4149 | ARLEDGE | Val Verde County, TX | Oil & Gas Property | Mar 2026 |
| 4150 | ARLEDGE PHILL | Val Verde County, TX | Oil & Gas Property | Mar 2026 |
| 4151 | ARLENE | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 4152 | ARLENE | Garfield County, OK | Oil & Gas Property | Apr 2026 |
| 4153 | ARLENE | Moore County, TX | Gas Property | Oct 2025 |
| 4154 | ARLENE 1011H | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 4155 | ARLENE 11-4TFH | Dunn County, ND | Oil & Gas Property | May 2026 |
| 4156 | ARLENE 26-26-11 | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 4157 | ARLENE 30-31-162-98H 2XQ | Divide County, ND | Oil & Gas Property | May 2026 |
| 4158 | ARLENE FEDERAL 44X-23 | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 4159 | ARLEY | Williams County, ND | Oil & Gas Property | May 2026 |
| 4160 | ARLINE | Campbell County, WY | Gas Property | Oct 2018 |
| 4161 | ARLINE | Hemphill County, TX | Oil & Gas Property | Oct 2025 |
| 4162 | ARLINGTON 33 | Howard County, TX | Oil & Gas Property | May 2026 |
| 4163 | ARLINGTON SURBER | Tarrant County, TX | Gas Property | May 2026 |
| 4164 | ARLO | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 4165 | ARLO COUNTRY 45-09 B 2DN | Dawson County, TX | Oil & Gas Property | May 2026 |
| 4166 | ARLO MOBERG | Burke County, ND | Oil & Gas Property | May 2026 |
| 4167 | ARLO S & VIVIAN F POTTER | Erie County, PA | Oil & Gas Property | Dec 2013 |
| 4168 | ARLOS KENT | Beckham County, OK | Oil & Gas Property | Apr 2026 |
| 4169 | ARLYS 34X-31H | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 4170 | ARLYS FEDERAL 34X-31C | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 4171 | ARLYSS 5601 14-26T | Williams County, ND | Oil & Gas Property | May 2026 |
| 4172 | ARMACOST | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 4173 | ARMADA 12-1-162-97H | Divide County, ND | Oil & Gas Property | May 2026 |
| 4174 | ARMADA FEDERAL | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 4175 | ARMADILLO | Lavaca County, TX | Oil & Gas Property | May 2026 |
| 4176 | ARMADILLO UNIT NO | McMullen County, TX | Oil & Gas Property | May 2026 |
| 4177 | ARMADRILLA STATE UNIT 20-21E | Reeves County, TX | Oil & Gas Property | May 2026 |
| 4178 | ARMAGOST | Beaver County, OK | Oil & Gas Property | May 2026 |
| 4179 | ARMAND UNIT | Karnes County, TX | Oil & Gas Property | May 2026 |
| 4180 | ARMBRECHT FRED | Runnels County, TX | Oil & Gas Property | Nov 2012 |
| 4181 | ARMBRISTER | Ellis County, KS | Oil Property | Feb 2026 |
| 4182 | ARMBRISTER | Ellis County, KS | Oil Property | Mar 2026 |
| 4183 | ARMBRISTER | Ellis County, KS | Oil Property | Mar 2026 |
| 4184 | ARMBRISTER 1 | Trego County, KS | Oil Property | Feb 2026 |
| 4185 | ARMBRUSTER | Ellis County, KS | Oil Property | Nov 2019 |
| 4186 | ARMBRUSTER | Logan County, AR | Gas Property | Jun 2024 |
| 4187 | ARMBRUSTER | Alfalfa County, OK | Oil & Gas Property | May 2024 |
| 4188 | ARMBRUSTER | Trego County, KS | Oil Property | Oct 2025 |
| 4189 | ARMCLAR GAS ( | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 4190 | ARMCO | Boyd County, KY | Gas Property | Dec 2024 |
| 4191 | ARMELIN L. FEE | Liberty County, TX | Oil & Gas Property | May 2026 |
| 4192 | ARMELISE | Assumption Parish, LA | Oil & Gas Property | Nov 2024 |
| 4193 | ARMENTA | San Juan County, NM | Oil & Gas Property | May 2026 |
| 4194 | ARMES | Hockley County, TX | Oil & Gas Property | May 2026 |
| 4195 | ARMET DALE STREET | Tarrant County, TX | Gas Property | May 2026 |
| 4196 | ARMIN 3X10-17-23 | Ellis County, OK | Oil & Gas Property | Apr 2026 |
| 4197 | ARMINIUS ENERGY TRUST | Frio County, TX | Oil & Gas Property | May 2026 |
| 4198 | ARMINTROUT | Allegan County, MI | Oil Property | May 2026 |
| 4199 | ARMITAGE, D AND D | Montgomery County, KS | Gas Property | Mar 2026 |
| 4200 | ARMONDO | Campbell County, WY | Gas Property | Apr 2012 |