| 1001 | AIRBORNE | Tarrant County, TX | Gas Property | Mar 2019 |
| 1002 | AIRCO DUDLEY 5 | Montezuma County, CO | Gas Property | Feb 2019 |
| 1003 | AIRCOBRA 12 STATE | Lea County, NM | Oil & Gas Property | Jan 2019 |
| 1004 | AIRDALE | Venango County, PA | Oil & Gas Property | Dec 2018 |
| 1005 | AIRFIELD | Tarrant County, TX | Gas Property | Mar 2019 |
| 1006 | AIRFIELD | Hockley County, TX | Oil & Gas Property | Mar 2019 |
| 1007 | AIRHART | Martin County, TX | Oil & Gas Property | Mar 2019 |
| 1008 | AIRHEART | Kingfisher County, OK | Oil & Gas Property | Dec 2015 |
| 1009 | AIRLINE MANUFACTURING CO. 2 | Lamar County, AL | Oil & Gas Property | Feb 2010 |
| 1010 | AIRPLANE | Tarrant County, TX | Gas Property | Mar 2019 |
| 1011 | AIRPORT | Parker County, TX | Gas Property | Mar 2019 |
| 1012 | AIRPORT | Oklahoma County, OK | Oil & Gas Property | Apr 2019 |
| 1013 | AIRPORT | Taylor County, TX | Oil Property | Mar 2019 |
| 1014 | AIRPORT | Campbell County, WY | Gas Property | Aug 2010 |
| 1015 | AIRPORT | Johnson County, TX | Gas Property | Mar 2019 |
| 1016 | AIRPORT | Trumbull County, OH | Oil & Gas Property | Dec 2018 |
| 1017 | AIRPORT | Eddy County, NM | Oil & Gas Property | Feb 2018 |
| 1018 | AIRPORT | Young County, TX | Oil & Gas Property | Feb 2019 |
| 1019 | AIRPORT | Goshen County, WY | Oil Property | Oct 1991 |
| 1020 | AIRPORT | Kern County, CA | Oil & Gas Property | Dec 2017 |
| 1021 | AIRPORT | Caddo Parish, LA | Oil & Gas Property | Aug 2018 |
| 1022 | AIRPORT BA | McKean County, PA | Oil & Gas Property | Dec 2018 |
| 1023 | AIRPORT CROSSING | Tarrant County, TX | Gas Property | Mar 2019 |
| 1024 | AIRPORT TRUST | Canadian County, OK | Oil & Gas Property | Apr 2019 |
| 1025 | AIRS ETAL 1 | Caddo Parish, LA | Oil & Gas Property | Jul 2018 |
| 1026 | AIRSTRIP | Lea County, NM | Oil & Gas Property | Jan 2019 |
| 1027 | AIRSTRIP 31 | Lea County, NM | Oil & Gas Property | Dec 2018 |
| 1028 | AIRSTRIP 6 STATE COM 00 | Lea County, NM | Oil & Gas Property | Jan 2019 |
| 1029 | AIRSTRIP A STATE | Lea County, NM | Oil & Gas Property | Dec 2018 |
| 1030 | AISENBREY 21-25 | Mountrail County, ND | Oil & Gas Property | Apr 2019 |
| 1031 | AITKENHEAD | Hemphill County, TX | Oil & Gas Property | Mar 2019 |
| 1032 | AJ 11 FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2013 |
| 1033 | AJAX | Gaines County, TX | Oil & Gas Property | Mar 2019 |
| 1034 | AJAX | Grady County, OK | Gas Property | Dec 2019 |
| 1035 | AJAX STATE COM | Chaves County, NM | Oil & Gas Property | Jan 2019 |
| 1036 | AJU GL | Morgan County, CO | Oil & Gas Property | Mar 2019 |
| 1037 | AK STEEL | Butler County, PA | Oil & Gas Property | Apr 2019 |
| 1038 | AK UNIT | La Salle County, TX | Oil & Gas Property | Mar 2019 |
| 1039 | AKATOR | Reagan County, TX | Oil & Gas Property | Mar 2019 |
| 1040 | AKC 11-13 | Van Buren County, AR | Gas Property | Mar 2019 |
| 1041 | AKE MORT J | Noble County, OH | Oil & Gas Property | Dec 2018 |
| 1042 | AKEMAN 1 | Canadian County, OK | Oil & Gas Property | Dec 2007 |
| 1043 | AKERS | Ellis County, OK | Oil & Gas Property | Dec 2018 |
| 1044 | AKERS | Floyd County, KY | Gas Property | Dec 2015 |
| 1045 | AKERS | Young County, TX | Oil & Gas Property | Mar 2019 |
| 1046 | AKERS | Jones County, TX | Oil & Gas Property | Mar 2019 |
| 1047 | AKERS | Lipscomb County, TX | Oil & Gas Property | Mar 2019 |
| 1048 | AKERS 1070 | Lipscomb County, TX | Oil & Gas Property | Mar 2019 |
| 1049 | AKERS ALICE V | Lipscomb County, TX | Gas Property | Mar 2019 |
| 1050 | AKERS GAYLE DYER | Callahan County, TX | Oil & Gas Property | Mar 2019 |
| 1051 | AKERS, A | Floyd County, KY | Gas Property | Dec 2013 |
| 1052 | AKERS, G | Floyd County, KY | Gas Property | Dec 2015 |
| 1053 | AKERS, JA | Floyd County, KY | Gas Property | Dec 2013 |
| 1054 | AKERS, JACOB P | Floyd County, KY | Gas Property | Dec 2013 |
| 1055 | AKEY | Yuma County, CO | Gas Property | Mar 2019 |
| 1056 | AKEY | Yuma County, CO | Gas Property | Mar 2019 |
| 1057 | AKIN | Gregg County, TX | Oil & Gas Property | Mar 2019 |
| 1058 | AKIN | Pottawatomie County, OK | Gas Property | Mar 2018 |
| 1059 | AKIN | Kaufman County, TX | Oil & Gas Property | Oct 2017 |
| 1060 | AKIN | Claiborne Parish, LA | Oil & Gas Property | Nov 1998 |
| 1061 | AKIN | Custer County, OK | Gas Property | Mar 2019 |
| 1062 | AKIN LILLA | Reagan County, TX | Oil & Gas Property | Mar 2019 |
| 1063 | AKIN-HEARD | Columbia County, AR | Oil & Gas Property | Mar 2019 |
| 1064 | AKIN-MCKENDRICK | Webb County, TX | Gas Property | Mar 2013 |
| 1065 | AKIN-ROSS | Gregg County, TX | Gas Property | Feb 2019 |
| 1066 | AKIN-STATE | Duval County, TX | Oil & Gas Property | Jun 2015 |
| 1067 | AKIN-WRIGHT | Stephens County, TX | Oil & Gas Property | Mar 2019 |
| 1068 | AKINS | Panola County, TX | Gas Property | Mar 2019 |
| 1069 | AKINS LEASE AKINS | Warren County, PA | Oil & Gas Property | Dec 2015 |
| 1070 | AKINS-REEVES | Rusk County, TX | Gas Property | Mar 2019 |
| 1071 | AKITA | Bradford County, PA | Gas Property | Mar 2019 |
| 1072 | AKOVENKO | McKenzie County, ND | Oil & Gas Property | Apr 2019 |
| 1073 | AKRON | McKenzie County, ND | Oil & Gas Property | Apr 2019 |
| 1074 | AKRON | McKenzie County, ND | Oil & Gas Property | Apr 2019 |
| 1075 | AKRON | Sweetwater County, WY | Oil & Gas Property | Apr 2019 |
| 1076 | AKRON | Summit County, OH | Oil & Gas Property | Dec 2016 |
| 1077 | AKRON CANTON & YOUNGSTOWN RR | Medina County, OH | Oil Property | Dec 2018 |
| 1078 | AKRON FEDERAL 7-27H | McKenzie County, ND | Oil & Gas Property | Apr 2019 |
| 1079 | AKRON NAZARENE CHURCH | Stark County, OH | Oil & Gas Property | Dec 2018 |
| 1080 | AKRONCANTON & YOUNGSTOWN RR | Medina County, OH | Oil Property | Dec 2018 |
| 1081 | AL 5493 44-23B | Mountrail County, ND | Oil & Gas Property | Apr 2019 |
| 1082 | AL-07-19-07-05 | Tuscaloosa County, AL | Gas Property | Mar 2019 |
| 1083 | AL-08-19-07-0 | Tuscaloosa County, AL | Gas Property | Mar 2019 |
| 1084 | AL-SW BTLT | Starr County, TX | Gas Property | Apr 2014 |
| 1085 | ALABAMA BASIC | Tuscaloosa County, AL | Gas Property | Mar 2019 |
| 1086 | ALABAMA PROPERTIES AMES | Fayette County, WV | Gas Property | Nov 2016 |
| 1087 | ALABAMA-COUSHATT | Polk County, TX | Oil & Gas Property | Mar 2019 |
| 1088 | ALABASTER | Dawson County, TX | Oil & Gas Property | Mar 2019 |
| 1089 | ALACRAN | Brazos County, TX | Oil & Gas Property | Mar 2019 |
| 1090 | ALADDIN | Los Angeles County, CA | Oil & Gas Property | Dec 1989 |
| 1091 | ALADDIN | Kern County, CA | Oil Property | Feb 2018 |
| 1092 | ALAMEDA STATE UNIT 54-8-1 | Reeves County, TX | Oil & Gas Property | Mar 2019 |
| 1093 | ALAMITO | Sandoval County, NM | Oil & Gas Property | Jan 2019 |
| 1094 | ALAMITOS | Los Angeles County, CA | Oil & Gas Property | Dec 2017 |
| 1095 | ALAMITOS | Orange County, CA | Oil & Gas Property | Feb 2018 |
| 1096 | ALAMITOS HEIGHTS COMMUNITY | Los Angeles County, CA | Oil & Gas Property | Aug 1998 |
| 1097 | ALAMO | Mountrail County, ND | Oil & Gas Property | Apr 2019 |
| 1098 | ALAMO | Howard County, TX | Oil & Gas Property | Mar 2019 |
| 1099 | ALAMO 1-34H | Williams County, ND | Oil & Gas Property | Apr 2019 |
| 1100 | ALAMO 22 | San Juan County, NM | Oil & Gas Property | Dec 2018 |