| 1001 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 1002 | OLOUGHLIN | Toole County, MT | Gas Property | Dec 2025 |
| 1003 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 1004 | OLR 13-11-26 | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 1005 | OLSEN | Cowley County, KS | Oil Property | Sep 2025 |
| 1006 | OLSEN | Campbell County, WY | Oil Property | Nov 1999 |
| 1007 | OLSEN | Wabaunsee County, KS | Oil Property | Jan 2025 |
| 1008 | OLSEN | Banner County, NE | Oil Property | Dec 2024 |
| 1009 | OLSEN | Greenwood County, KS | Oil Property | Sep 2025 |
| 1010 | OLSEN | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 1011 | OLSEN | Kimball County, NE | Oil Property | Dec 2024 |
| 1012 | OLSEN | Banner County, NE | Oil & Gas Property | Dec 2024 |
| 1013 | OLSEN | Banner County, NE | Oil Property | Dec 2024 |
| 1014 | OLSEN BROWN 2 | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 1015 | OLSEN ET AL | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 1016 | OLSEN MY | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 1017 | OLSON | Franklin County, KS | Oil Property | Sep 2025 |
| 1018 | OLSON | Oklahoma County, OK | Oil & Gas Property | Feb 2025 |
| 1019 | OLSON | Ness County, KS | Oil Property | Sep 2020 |
| 1020 | OLSON | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 1021 | OLSON | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 1022 | OLSON | Warren County, PA | Gas Property | Dec 2025 |
| 1023 | OLSON | Chouteau County, MT | Gas Property | Dec 2025 |
| 1024 | OLSON | Hill County, MT | Gas Property | Dec 2025 |
| 1025 | OLSON | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1026 | OLSON | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 1027 | OLSON | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1028 | OLSON | Crockett County, TX | Oil & Gas Property | Oct 2025 |
| 1029 | OLSON | Ness County, KS | Oil Property | Jun 2025 |
| 1030 | OLSON | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 1031 | OLSON | Allen County, KS | Oil Property | Jul 1990 |
| 1032 | OLSON | La Plata County, CO | Gas Property | Nov 2025 |
| 1033 | OLSON | Sheridan County, MT | Oil Property | Dec 2012 |
| 1034 | OLSON | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1035 | OLSON | Bowman County, ND | Oil & Gas Property | Dec 2025 |
| 1036 | OLSON | Neosho County, KS | Oil & Gas Property | Sep 2025 |
| 1037 | OLSON | Kay County, OK | Oil & Gas Property | Nov 2025 |
| 1038 | OLSON | Divide County, ND | Oil & Gas Property | Jan 2026 |
| 1039 | OLSON | Phillips County, CO | Gas Property | Sep 2023 |
| 1040 | OLSON | Weld County, CO | Oil & Gas Property | Jun 2018 |
| 1041 | OLSON | Russell County, KS | Oil Property | Sep 2025 |
| 1042 | OLSON | Blaine County, MT | Gas Property | Dec 2025 |
| 1043 | OLSON | Bee County, TX | Oil & Gas Property | Nov 2016 |
| 1044 | OLSON | Barber County, KS | Oil & Gas Property | Sep 2025 |
| 1045 | OLSON | Richland County, MT | Oil & Gas Property | Dec 2025 |
| 1046 | OLSON | Roosevelt County, MT | Oil & Gas Property | Dec 2025 |
| 1047 | OLSON | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1048 | OLSON | Wilson County, KS | Oil & Gas Property | Sep 2025 |
| 1049 | OLSON | Woods County, OK | Oil & Gas Property | Nov 2025 |
| 1050 | OLSON | Haskell County, OK | Gas Property | Nov 2025 |
| 1051 | OLSON | Barber County, KS | Oil & Gas Property | May 2002 |
| 1052 | OLSON | Jones County, TX | Oil Property | Jan 2025 |
| 1053 | OLSON | Anderson County, KS | Oil Property | Nov 2019 |
| 1054 | OLSON 'A' 1 | Stevens County, KS | Oil & Gas Property | Oct 2023 |
| 1055 | OLSON 02 101 0 | Tioga County, PA | Gas Property | Dec 2025 |
| 1056 | OLSON 1 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1057 | OLSON 1-12H | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 1058 | OLSON 10-15 | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1059 | OLSON 11-14TFH | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 1060 | OLSON 12-1H | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 1061 | OLSON 14-20H | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 1062 | OLSON 15-22-162-100H 1CN | Divide County, ND | Oil & Gas Property | Dec 2025 |
| 1063 | OLSON 20-1H | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 1064 | OLSON 34 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1065 | OLSON 41-18 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1066 | OLSON 8-5 1H | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1067 | OLSON A | Russell County, KS | Oil Property | Sep 2025 |
| 1068 | OLSON B | Texas County, OK | Oil & Gas Property | Nov 2025 |
| 1069 | OLSON BOTTOM | Richland County, MT | Oil & Gas Property | Dec 2025 |
| 1070 | OLSON C 158-96-21-16-4MBH | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1071 | OLSON ESSE-KENNEDY SA | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1072 | OLSON JO | Matagorda County, TX | Oil & Gas Property | Nov 2025 |
| 1073 | OLSON ROBERT & MARGARET 3864 | Jefferson County, PA | Gas Property | Dec 2025 |
| 1074 | OLSON STATE | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1075 | OLSON STATE 57-T2-6 1H | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 1076 | OLSON TRUST 30-31-162-98H 1BP | Divide County, ND | Oil & Gas Property | Dec 2025 |
| 1077 | OLSON UNIT | Venango County, PA | Gas Property | Dec 2024 |
| 1078 | OLSON, R.H | Bastrop County, TX | Oil & Gas Property | Nov 2025 |
| 1079 | OLSON-BAKER UNIT | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 1080 | OLSON-BKR-GNZLS U | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 1081 | OLSON-ESSE UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1082 | OLSON-GAP | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 1083 | OLSON-JENNY | Toole County, MT | Gas Property | Sep 2025 |
| 1084 | OLSON-JENSEN | Petroleum County, MT | Oil Property | Sep 1993 |
| 1085 | OLSON-SMITH | La Plata County, CO | Gas Property | Nov 2025 |
| 1086 | OLSSON | Moore County, TX | Gas Property | Jul 2025 |
| 1087 | OLSSON | Saline County, KS | Oil Property | Jul 2002 |
| 1088 | OLSWICK CS | Campbell County, WY | Gas Property | Apr 2019 |
| 1089 | OLTJENBRUNS | Phillips County, CO | Gas Property | Sep 2023 |
| 1090 | OLTMANN | Madison County, TX | Oil & Gas Property | Oct 2025 |
| 1091 | OLTMANN | Finney County, KS | Gas Property | Sep 2005 |
| 1092 | OLTMANNS | Barton County, KS | Oil Property | Apr 2025 |
| 1093 | OLTMANNS | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1094 | OLUFSEN | Howard County, TX | Oil & Gas Property | Jul 2023 |
| 1095 | OLVER | Jefferson County, OK | Oil Property | Sep 2025 |
| 1096 | OLYMPIA | Lincoln County, OK | Oil & Gas Property | Dec 2025 |
| 1097 | OLYMPIA | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1098 | OLYMPIA 36-2 | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1099 | OLYMPIA 57-56 | Fisher County, TX | Oil & Gas Property | Nov 2025 |
| 1100 | OLYMPIA CORTE DYAS | Baldwin County, AL | Gas Property | Mar 1987 |