| 1001 | OLSON | Sheridan County, MT | Oil Property | Dec 2012 |
| 1002 | OLSON | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 1003 | OLSON | Bowman County, ND | Oil & Gas Property | Jun 2026 |
| 1004 | OLSON | Neosho County, KS | Oil & Gas Property | May 2026 |
| 1005 | OLSON | Kay County, OK | Oil & Gas Property | Jun 2026 |
| 1006 | OLSON | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 1007 | OLSON | Phillips County, CO | Gas Property | Sep 2023 |
| 1008 | OLSON | Weld County, CO | Oil & Gas Property | Jun 2018 |
| 1009 | OLSON | Russell County, KS | Oil Property | May 2026 |
| 1010 | OLSON | Blaine County, MT | Gas Property | Jun 2026 |
| 1011 | OLSON | Bee County, TX | Oil & Gas Property | Nov 2016 |
| 1012 | OLSON | Barber County, KS | Oil & Gas Property | May 2026 |
| 1013 | OLSON | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 1014 | OLSON | Roosevelt County, MT | Oil & Gas Property | Jun 2026 |
| 1015 | OLSON | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1016 | OLSON | Wilson County, KS | Oil & Gas Property | May 2026 |
| 1017 | OLSON | Woods County, OK | Oil & Gas Property | Jul 2026 |
| 1018 | OLSON | Haskell County, OK | Gas Property | Jun 2026 |
| 1019 | OLSON | Barber County, KS | Oil & Gas Property | Apr 2002 |
| 1020 | OLSON | Jones County, TX | Oil Property | Jan 2021 |
| 1021 | OLSON | Anderson County, KS | Oil Property | Nov 2019 |
| 1022 | OLSON 'A' 1 | Stevens County, KS | Oil & Gas Property | Oct 2023 |
| 1023 | OLSON 02 101 0 | Tioga County, PA | Gas Property | Jun 2026 |
| 1024 | OLSON 1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 1025 | OLSON 1-12H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 1026 | OLSON 10-15 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1027 | OLSON 11-14TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 1028 | OLSON 12-1H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 1029 | OLSON 14-20H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 1030 | OLSON 15-22-162-100H 1CN | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 1031 | OLSON 20-1H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 1032 | OLSON 34 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 1033 | OLSON 41-18 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 1034 | OLSON 8-5 1H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 1035 | OLSON A | Russell County, KS | Oil Property | May 2026 |
| 1036 | OLSON B | Texas County, OK | Oil & Gas Property | Jun 2026 |
| 1037 | OLSON BOTTOM | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 1038 | OLSON C 158-96-21-16-4MBH | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1039 | OLSON ESSE-KENNEDY SA | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1040 | OLSON JENSEN | Petroleum County, MT | Oil Property | Sep 1993 |
| 1041 | OLSON JO | Matagorda County, TX | Oil & Gas Property | Apr 2026 |
| 1042 | OLSON ROBERT & MARGARET 3864 | Jefferson County, PA | Gas Property | Dec 2025 |
| 1043 | OLSON STATE | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1044 | OLSON STATE 57-T2-6 1H | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1045 | OLSON UNIT | Venango County, PA | Gas Property | Dec 2025 |
| 1046 | OLSON, R.H | Bastrop County, TX | Oil & Gas Property | May 2026 |
| 1047 | OLSON-BAKER UNIT | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 1048 | OLSON-BK-BURGS A U | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 1049 | OLSON-BKR-GNZLS U | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 1050 | OLSON-ESSE UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1051 | OLSON-GAP | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 1052 | OLSON-JENNY | Toole County, MT | Gas Property | May 2026 |
| 1053 | OLSSON | Moore County, TX | Gas Property | Jun 2026 |
| 1054 | OLSSON | Saline County, KS | Oil Property | Jul 2002 |
| 1055 | OLSWICK CS | Campbell County, WY | Gas Property | Apr 2019 |
| 1056 | OLTJENBRUNS | Phillips County, CO | Gas Property | Aug 2023 |
| 1057 | OLTMANN | Madison County, TX | Oil & Gas Property | May 2026 |
| 1058 | OLTMANN | Finney County, KS | Gas Property | Sep 2005 |
| 1059 | OLTMANNS | Barton County, KS | Oil Property | May 2026 |
| 1060 | OLTMANNS | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 1061 | OLUFSEN | Howard County, TX | Oil & Gas Property | Jul 2023 |
| 1062 | OLVER | Jefferson County, OK | Oil Property | Apr 2026 |
| 1063 | OLYMPIA | Lincoln County, OK | Oil & Gas Property | Jul 2026 |
| 1064 | OLYMPIA | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1065 | OLYMPIA 36-2 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1066 | OLYMPIA 57-56 | Fisher County, TX | Oil & Gas Property | Jun 2026 |
| 1067 | OLYMPIA CORTE DYAS | Baldwin County, AL | Gas Property | Mar 1987 |
| 1068 | OLYMPIA FIELDS | San Augustine County, TX | Gas Property | Jun 2026 |
| 1069 | OLYMPIA MIN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 1070 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 1071 | OLYMPIA MIN | Sabine Parish, LA | Gas Property | Dec 2024 |
| 1072 | OLYMPIA MINERALS | Sabine Parish, LA | Gas Property | Dec 2024 |
| 1073 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil Property | Dec 2024 |
| 1074 | OLYMPIA MINERALS | Sabine Parish, LA | Oil Property | Dec 2024 |
| 1075 | OLYMPIA MINERALS | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 1076 | OLYMPIA MINERALS | Beauregard Parish, LA | Oil & Gas Property | Jan 2025 |
| 1077 | OLYMPIAN | Duchesne County, UT | Oil & Gas Property | Jun 2026 |
| 1078 | OLYMPIC | San Juan County, NM | Oil & Gas Property | Jul 2026 |
| 1079 | OLYMPIC | Carbon County, WY | Oil & Gas Property | Jun 2026 |
| 1080 | OLYMPIC | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 1081 | OLYMPIC 54-2-7 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 1082 | OLYMPIC COMMUNITY | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1083 | OLYMPIC LAKE ESTATES 07 083 0 | Susquehanna County, PA | Gas Property | Jun 2026 |
| 1084 | OLYMPUS | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 1085 | OLYMPUS 1 | Ness County, KS | Oil Property | May 2026 |
| 1086 | OLYMPUS 1107 1 | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 1087 | OLYPHANT 57-T1-43X42 1H | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1088 | OM ERICKSON 5501 11-18 4B | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 1089 | OMA MCMICHAEL GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 1090 | OMAHA | Kern County, CA | Oil & Gas Property | May 2026 |
| 1091 | OMAHA | Irion County, TX | Oil & Gas Property | May 2026 |
| 1092 | OMAHA | Carter County, OK | Oil & Gas Property | Jul 2026 |
| 1093 | OMAHA 11 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 1094 | OMAHA 15 | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 1095 | OMAHA 175-176 | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 1096 | OMAHA 36 31 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 1097 | OMAHA HOTEL | Ness County, KS | Oil Property | Jan 2011 |
| 1098 | OMAHA WOMAN 24-13-12H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 1099 | OMAHA-WYOMING | Uinta County, WY | Oil & Gas Property | Dec 2025 |
| 1100 | OMAITS SMF JF | Jefferson County, OH | Gas Property | Jun 2026 |