| 1101 | AGNEW | Wallace County, KS | Gas Property | Apr 2015 |
| 1102 | AGNEW | Crawford County, PA | Oil & Gas Property | Dec 2017 |
| 1103 | AGNEW | Eastland County, TX | Oil & Gas Property | Oct 2018 |
| 1104 | AGNOR | Harrison County, TX | Gas Property | Oct 2018 |
| 1105 | AGOSTINELLI MASE | Clinton County, PA | Gas Property | Dec 2017 |
| 1106 | AGRIBANK 157-101-34C-27-1H | Williams County, ND | Oil & Gas Property | Nov 2018 |
| 1107 | AGRICULTURAL PROD | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 1108 | AGRICULTURAL PROD | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 1109 | AGRO-DYNAMICS | Liberty County, TX | Gas Property | May 2014 |
| 1110 | AGUILAR | Bexar County, TX | Oil & Gas Property | Oct 2018 |
| 1111 | AGUIRRE | Palo Pinto County, TX | Oil & Gas Property | Oct 2018 |
| 1112 | AGUIRRE 20 | Ventura County, CA | Oil & Gas Property | Feb 2018 |
| 1113 | AGUIRRE, L | Atascosa County, TX | Oil & Gas Property | Oct 2018 |
| 1114 | AGURS | Caddo Parish, LA | Oil & Gas Property | Sep 2018 |
| 1115 | AGURS | Panola County, TX | Oil & Gas Property | Oct 2018 |
| 1116 | AH 34-23H | Mountrail County, ND | Oil & Gas Property | Nov 2018 |
| 1117 | AHC-RDR CARTER GAS UNIT | Solano County, CA | Oil & Gas Property | Oct 2003 |
| 1118 | AHEARN | Loving County, TX | Oil & Gas Property | Oct 2018 |
| 1119 | AHERN 34-19H | Dunn County, ND | Oil & Gas Property | Nov 2018 |
| 1120 | AHERN, MARY O. ET AL | Cass County, TX | Gas Property | Jul 2015 |
| 1121 | AHLDEN | Kingfisher County, OK | Gas Property | Dec 2015 |
| 1122 | AHLF A | Kingman County, KS | Oil & Gas Property | Sep 2018 |
| 1123 | AHLGRIM | Barton County, KS | Oil Property | Sep 2018 |
| 1124 | AHLHORN NAJVAR UNIT | Gonzales County, TX | Oil & Gas Property | Oct 2018 |
| 1125 | AHLSCHWEDE | Cheyenne County, NE | Oil Property | Dec 2017 |
| 1126 | AHLSTROM UNIT | Karnes County, TX | Oil & Gas Property | Oct 2018 |
| 1127 | AHNERT | Lane County, KS | Oil Property | Aug 2018 |
| 1128 | AHOUSE HE | Doddridge County, WV | Oil Property | Feb 2017 |
| 1129 | AHRENS | Barton County, KS | Oil Property | Jun 2010 |
| 1130 | AHRENS | Cattaraugus County, NY | Gas Property | Dec 2017 |
| 1131 | AHRENS | Archer County, TX | Oil & Gas Property | Oct 2016 |
| 1132 | AHRENS | Venango County, PA | Oil Property | Dec 2016 |
| 1133 | AHRENS | Logan County, KS | Oil Property | Aug 2018 |
| 1134 | AHRENS | Barton County, KS | Oil Property | Aug 2018 |
| 1135 | AHRENS STANLEY | Guadalupe County, TX | Oil & Gas Property | Oct 2018 |
| 1136 | AHRENS UNIT | Atascosa County, TX | Oil & Gas Property | Oct 2018 |
| 1137 | AHS CATTLE | Barber County, KS | Oil & Gas Property | Sep 2018 |
| 1138 | AID 24 | Eddy County, NM | Oil & Gas Property | Sep 2018 |
| 1139 | AID STATE | Eddy County, NM | Oil & Gas Property | Aug 2018 |
| 1140 | AIDEN 3 | McKenzie County, ND | Oil & Gas Property | Nov 2018 |
| 1141 | AIELLO | Elk County, PA | Oil & Gas Property | Dec 2017 |
| 1142 | AIGNER | Noble County, OK | Oil & Gas Property | Nov 1990 |
| 1143 | AIKEN | Chautauqua County, KS | Oil Property | Aug 2007 |
| 1144 | AIKEN | Chautauqua County, KS | Oil & Gas Property | Sep 2017 |
| 1145 | AIKEN | Fisher County, TX | Oil & Gas Property | Oct 2018 |
| 1146 | AIKEN | Stafford County, KS | Oil Property | Jan 2018 |
| 1147 | AIKEN | Stafford County, KS | Oil & Gas Property | Sep 2018 |
| 1148 | AIKEN EDWIN | Fisher County, TX | Oil & Gas Property | Oct 2018 |
| 1149 | AIKEN I | McKean County, PA | Oil & Gas Property | Dec 2017 |
| 1150 | AIKENS | Bradford County, PA | Gas Property | Oct 2018 |
| 1151 | AIKENS 17-12-11 H | De Soto Parish, LA | Gas Property | Sep 2018 |
| 1152 | AIKENS 5 | Westmoreland County, PA | Gas Property | Oct 2018 |
| 1153 | AIKENS 5 AIKENS5 | Westmoreland County, PA | Gas Property | Oct 2018 |
| 1154 | AIKMAN FEDERAL | Lea County, NM | Oil & Gas Property | Oct 2018 |
| 1155 | AIKMAN STATE COM | Chaves County, NM | Oil & Gas Property | Oct 2018 |
| 1156 | AIMONETTO | Weston County, WY | Oil Property | Nov 2018 |
| 1157 | AINSLIE | Calhoun County, MI | Oil & Gas Property | Aug 2017 |
| 1158 | AINSWORTH | Scurry County, TX | Oil & Gas Property | Oct 2018 |
| 1159 | AINSWORTH | Big Horn County, WY | Oil & Gas Property | Nov 2018 |
| 1160 | AINSWORTH | Cochran County, TX | Gas Property | Oct 2018 |
| 1161 | AINSWORTH | Simpson County, MS | Oil & Gas Property | Feb 1995 |
| 1162 | AINSWORTH | Butler County, KS | Oil Property | Sep 2018 |
| 1163 | AINSWORTH | Scurry County, TX | Oil & Gas Property | Oct 2018 |
| 1164 | AINSWORTH | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1165 | AINSWORTH | Cochran County, TX | Oil & Gas Property | Oct 2018 |
| 1166 | AIRACUDA FEDERAL | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1167 | AIRBONITA 12 FEDERAL | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1168 | AIRBORNE | Tarrant County, TX | Gas Property | Oct 2018 |
| 1169 | AIRBUS 12 FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2018 |
| 1170 | AIRBUS FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2018 |
| 1171 | AIRCOBRA 12 STATE | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1172 | AIRDALE | Venango County, PA | Oil & Gas Property | Dec 2017 |
| 1173 | AIRFIELD | Tarrant County, TX | Gas Property | Oct 2018 |
| 1174 | AIRFIELD | Hockley County, TX | Oil & Gas Property | Oct 2018 |
| 1175 | AIRHART | Martin County, TX | Oil & Gas Property | Oct 2018 |
| 1176 | AIRHEART | Kingfisher County, OK | Oil & Gas Property | Dec 2015 |
| 1177 | AIRLINE MANUFACTURING CO. 2 | Lamar County, AL | Oil & Gas Property | Feb 2010 |
| 1178 | AIRLINES 8 | Howard County, TX | Oil & Gas Property | Oct 2018 |
| 1179 | AIRPLANE | Tarrant County, TX | Gas Property | Oct 2018 |
| 1180 | AIRPORT | Parker County, TX | Gas Property | Oct 2018 |
| 1181 | AIRPORT | Oklahoma County, OK | Oil & Gas Property | Oct 2018 |
| 1182 | AIRPORT | Taylor County, TX | Oil Property | Aug 2018 |
| 1183 | AIRPORT | Campbell County, WY | Gas Property | Aug 2010 |
| 1184 | AIRPORT | Johnson County, TX | Gas Property | Oct 2018 |
| 1185 | AIRPORT | Trumbull County, OH | Oil & Gas Property | Dec 2017 |
| 1186 | AIRPORT | Eddy County, NM | Oil & Gas Property | Feb 2018 |
| 1187 | AIRPORT | Young County, TX | Oil & Gas Property | Aug 2018 |
| 1188 | AIRPORT | Goshen County, WY | Oil Property | Oct 1991 |
| 1189 | AIRPORT | Kern County, CA | Oil & Gas Property | Dec 2017 |
| 1190 | AIRPORT | Caddo Parish, LA | Oil & Gas Property | Aug 2018 |
| 1191 | AIRPORT BA | McKean County, PA | Oil & Gas Property | Dec 2017 |
| 1192 | AIRPORT CROSSING | Tarrant County, TX | Gas Property | Oct 2018 |
| 1193 | AIRPORT TRUST | Canadian County, OK | Oil & Gas Property | Oct 2018 |
| 1194 | AIRS ETAL 1 | Caddo Parish, LA | Oil & Gas Property | Jul 2018 |
| 1195 | AIRSTRIP | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1196 | AIRSTRIP 31 | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1197 | AIRSTRIP 6 STATE COM 00 | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1198 | AIRSTRIP A STATE | Lea County, NM | Oil & Gas Property | Sep 2018 |
| 1199 | AISENBREY 21-25 | Mountrail County, ND | Oil & Gas Property | Nov 2018 |
| 1200 | AITKEN | Stafford County, KS | Oil Property | Jul 1992 |