| 1001 | AFFIRMED 6 | Reeves County, TX | Oil & Gas Property | Nov 2018 |
| 1002 | AFFIRMED UNIT | Fayette County, TX | Oil & Gas Property | Nov 2018 |
| 1003 | AFFLERBACH 01 0 | Dewitt County, TX | Gas Property | Nov 2018 |
| 1004 | AFG UNIT | Andrews County, TX | Oil & Gas Property | Nov 2018 |
| 1005 | AFGHAN | Grant County, OK | Oil & Gas Property | Sep 2014 |
| 1006 | AFNU | Leon County, TX | Oil & Gas Property | Nov 2018 |
| 1007 | AFO-ROBINSON FEE | Caddo Parish, LA | Oil Property | Oct 2018 |
| 1008 | AFRICAN LION 1 | Reeves County, TX | Oil & Gas Property | Nov 2018 |
| 1009 | AFRIQUEEN CS FEDERAL | Campbell County, WY | Gas Property | Dec 2015 |
| 1010 | AFSETH 34-3 1-H | Mountrail County, ND | Oil & Gas Property | Jan 2019 |
| 1011 | AFTON 12-16H | Adams County, CO | Oil & Gas Property | Dec 2018 |
| 1012 | AFTON COMMUNITY | Glenn County, CA | Gas Property | May 1995 |
| 1013 | AFTON SH | Indiana County, PA | Gas Property | Dec 2018 |
| 1014 | AFWDU | Leon County, TX | Oil & Gas Property | Nov 2018 |
| 1015 | AG 32 | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1016 | AG 5N-31A-L | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1017 | AG OIL | Lasalle Parish, LA | Oil Property | Sep 2018 |
| 1018 | AG SPARKS | La Plata County, CO | Gas Property | Jan 2019 |
| 1019 | AG STATE | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1020 | AGAMERICA | Richland County, MT | Oil & Gas Property | Dec 2018 |
| 1021 | AGAPE | Tarrant County, TX | Gas Property | Nov 2018 |
| 1022 | AGARITTA | Concho County, TX | Oil & Gas Property | Oct 2018 |
| 1023 | AGASSIZ, MABEL S | Martin County, KY | Gas Property | Dec 2015 |
| 1024 | AGASTI 27 FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2018 |
| 1025 | AGATE | Sherman County, TX | Gas Property | Nov 2018 |
| 1026 | AGATE 1 | Reeves County, TX | Oil & Gas Property | Nov 2018 |
| 1027 | AGATE PWU 21 | Eddy County, NM | Oil & Gas Property | Sep 2018 |
| 1028 | AGATHA | Ness County, KS | Oil Property | Nov 2018 |
| 1029 | AGATHA | Roberts County, TX | Gas Property | Nov 2018 |
| 1030 | AGAVE 149-93 06C-4H TF | Dunn County, ND | Oil & Gas Property | Jan 2019 |
| 1031 | AGAVE AAJ STATE | Eddy County, NM | Oil & Gas Property | Oct 2018 |
| 1032 | AGEE | Montague County, TX | Oil & Gas Property | Nov 2018 |
| 1033 | AGEE J. N. WATERFLOOD UNIT | Montague County, TX | Oil & Gas Property | Nov 2018 |
| 1034 | AGEE, LEWIS | Clinton County, KY | Oil Property | Nov 2014 |
| 1035 | AGEE, ROBERT | Pike County, KY | Gas Property | Dec 2015 |
| 1036 | AGEMA 1-2 | Missaukee County, MI | Oil Property | Apr 2018 |
| 1037 | AGEN STATE | Toole County, MT | Oil Property | Dec 2018 |
| 1038 | AGF RANCH | Denton County, TX | Gas Property | Nov 2018 |
| 1039 | AGFC 10-16 | Van Buren County, AR | Gas Property | Dec 2018 |
| 1040 | AGGIE | Weston County, WY | Oil & Gas Property | Jan 2019 |
| 1041 | AGGIE | Hughes County, OK | Gas Property | Dec 2018 |
| 1042 | AGGIE STATE 32 | San Juan County, NM | Oil & Gas Property | Oct 2018 |
| 1043 | AGGIE STATE AA17-6 | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1044 | AGGIE UNIT 75-67-66 | Loving County, TX | Oil & Gas Property | Nov 2018 |
| 1045 | AGGREGATE | Weld County, CO | Oil & Gas Property | Jan 2019 |
| 1046 | AGHORN AB FEE | Ector County, TX | Oil & Gas Property | Nov 2018 |
| 1047 | AGIN | Saline County, KS | Oil Property | Sep 2018 |
| 1048 | AGLE | Erie County, NY | Gas Property | Dec 2017 |
| 1049 | AGNELL | Stephens County, TX | Oil & Gas Property | Nov 2018 |
| 1050 | AGNELL W.A | Eastland County, TX | Gas Property | Nov 2018 |
| 1051 | AGNES | Pittsburg County, OK | Gas Property | Dec 2018 |
| 1052 | AGNES | Reeves County, TX | Oil & Gas Property | Aug 2018 |
| 1053 | AGNES 1 | Blaine County, OK | Gas Property | Feb 2004 |
| 1054 | AGNES 1-22H | Divide County, ND | Oil & Gas Property | Jan 2019 |
| 1055 | AGNES 80 | Hemphill County, TX | Gas Property | Nov 2018 |
| 1056 | AGNES BROWN | Meigs County, OH | Gas Property | Dec 2016 |
| 1057 | AGNES BURIAN 1-15-3A | Billings County, ND | Oil & Gas Property | Jan 2019 |
| 1058 | AGNES HERRICK | Stanton County, KS | Gas Property | Nov 2018 |
| 1059 | AGNES JESKE | Young County, TX | Oil Property | Nov 2018 |
| 1060 | AGNES MORAN | Ellsworth County, KS | Oil Property | Nov 2018 |
| 1061 | AGNES TANTLINGER | Westmoreland County, PA | Gas Property | Dec 2018 |
| 1062 | AGNES WEST | Victoria County, TX | Oil & Gas Property | Jul 2018 |
| 1063 | AGNEW | Eastland County, TX | Oil & Gas Property | Mar 2017 |
| 1064 | AGNEW | Wallace County, KS | Gas Property | Apr 2015 |
| 1065 | AGNEW | Crawford County, PA | Oil & Gas Property | Dec 2018 |
| 1066 | AGNEW | Eastland County, TX | Oil & Gas Property | Nov 2018 |
| 1067 | AGNOR | Harrison County, TX | Gas Property | Nov 2018 |
| 1068 | AGOSTINELLI MASE | Clinton County, PA | Gas Property | Dec 2018 |
| 1069 | AGRIBANK 157-101-34C-27-1H | Williams County, ND | Oil & Gas Property | Jan 2019 |
| 1070 | AGRICULTURAL PROD | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1071 | AGRICULTURAL PROD | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 1072 | AGRO-DYNAMICS | Liberty County, TX | Gas Property | May 2014 |
| 1073 | AGUILAR | Bexar County, TX | Oil & Gas Property | Nov 2018 |
| 1074 | AGUIRRE | Palo Pinto County, TX | Oil & Gas Property | Nov 2018 |
| 1075 | AGUIRRE 20 | Ventura County, CA | Oil & Gas Property | Feb 2018 |
| 1076 | AGUIRRE, L | Atascosa County, TX | Oil & Gas Property | Oct 2018 |
| 1077 | AGURS | Caddo Parish, LA | Oil & Gas Property | Sep 2018 |
| 1078 | AGURS | Panola County, TX | Oil & Gas Property | Nov 2018 |
| 1079 | AH 34-23H | Mountrail County, ND | Oil & Gas Property | Jan 2019 |
| 1080 | AHC-RDR CARTER GAS UNIT | Solano County, CA | Oil & Gas Property | Oct 2003 |
| 1081 | AHEARN | Loving County, TX | Oil & Gas Property | Nov 2018 |
| 1082 | AHERN 34-19H | Dunn County, ND | Oil & Gas Property | Jan 2019 |
| 1083 | AHERN, MARY O. ET AL | Cass County, TX | Gas Property | May 2015 |
| 1084 | AHLDEN | Kingfisher County, OK | Gas Property | Dec 2015 |
| 1085 | AHLF A | Kingman County, KS | Oil & Gas Property | Nov 2018 |
| 1086 | AHLGRIM | Barton County, KS | Oil Property | Nov 2018 |
| 1087 | AHLHORN NAJVAR UNIT | Gonzales County, TX | Oil & Gas Property | Nov 2018 |
| 1088 | AHLSCHWEDE | Cheyenne County, NE | Oil Property | Dec 2017 |
| 1089 | AHLSTROM UNIT | Karnes County, TX | Oil & Gas Property | Nov 2018 |
| 1090 | AHNERT | Lane County, KS | Oil Property | Nov 2018 |
| 1091 | AHOUSE HE | Doddridge County, WV | Oil Property | Feb 2017 |
| 1092 | AHRENS | Barton County, KS | Oil Property | Jun 2010 |
| 1093 | AHRENS | Archer County, TX | Oil & Gas Property | Oct 2016 |
| 1094 | AHRENS | Venango County, PA | Oil Property | Dec 2018 |
| 1095 | AHRENS | Logan County, KS | Oil Property | Nov 2018 |
| 1096 | AHRENS | Barton County, KS | Oil Property | Aug 2018 |
| 1097 | AHRENS UNIT | Atascosa County, TX | Oil & Gas Property | Nov 2018 |
| 1098 | AHRENS, STAN | Guadalupe County, TX | Oil & Gas Property | Oct 2018 |
| 1099 | AHS CATTLE | Barber County, KS | Oil & Gas Property | Nov 2018 |
| 1100 | AID 24 | Eddy County, NM | Oil & Gas Property | Sep 2018 |