| 1 | O M ERICKSON 5501 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 2 | O'NEILL 17-20 1-H | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 3 | O. BERGSTROM | Bottineau County, ND | Oil & Gas Property | Jun 2026 |
| 4 | OAK 148-94 12C-01-1H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 5 | OAKDALE | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 6 | OAKDALE 11-12H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 7 | OAKLAND | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 8 | OAKLAND 151-103-29B-32-1H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 9 | OAKLAND FEDERAL 1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 10 | OAS 31-161-92H | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 11 | OASIS MEIERS 5692 | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 12 | OATES 21-27H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 13 | OBACH | Stark County, ND | Oil & Gas Property | Nov 2016 |
| 14 | OBENOUR 150-99-2 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 15 | OBENOUR 150-99-33-28-8H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 16 | OBER 20-5 | Bottineau County, ND | Oil Property | Jun 2026 |
| 17 | OBERT 1-13H | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 18 | OBRIGEWITCH | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 19 | OBRIGEWITCH | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 20 | OBRIGEWITCH | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 21 | OBRIYENITCH 1-14H | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 22 | OBSIDIAN 147-93-16B-21H-TF | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 23 | OCOTILLO 149-92-35A-04H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 24 | ODDIE 44-7 | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 25 | ODEGAARD STATE | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 26 | ODEGARD 1-20H1 | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 27 | ODERMANN | McLean County, ND | Oil & Gas Property | Sep 2018 |
| 28 | ODERMANN 24-10TFH | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 29 | ODERMANN 41-31TFH | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 30 | ODONNELL 44-22H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 31 | ODYSSEY 050 | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 32 | OGDEN | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 33 | OJA 1 | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 34 | OLAF 42X-11 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 35 | OLAF TUFTE B | Bottineau County, ND | Oil Property | Dec 1997 |
| 36 | OLD HICKORY | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 37 | OLE 1-29H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 38 | OLE 2-1-29M | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 39 | OLE 4-1-29MBH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 40 | OLE 5-1-29TFH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 41 | OLE 6-1-29MBH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 42 | OLE 7-1-29TFH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 43 | OLE 8-1-29 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 44 | OLE 9-1-29MBH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 45 | OLEA 24-11TFH | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 46 | OLEBULLY 8-1-29TFH-ULW | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 47 | OLGA 150-99-15-22-1H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 48 | OLIVE MAE 7-8-9H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 49 | OLIVE USA 34-33TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 50 | OLIVER | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 51 | OLIVIA MARIE 32-5H | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 52 | OLSON | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 53 | OLSON | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 54 | OLSON | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 55 | OLSON | Bowman County, ND | Oil & Gas Property | Jun 2026 |
| 56 | OLSON | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 57 | OLSON | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 58 | OLSON 1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 59 | OLSON 1-12H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 60 | OLSON 10-15 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 61 | OLSON 11-14TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 62 | OLSON 12-1H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 63 | OLSON 14-20H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 64 | OLSON 15-22-162-100H 1CN | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 65 | OLSON 20-1H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 66 | OLSON 34 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 67 | OLSON 41-18 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 68 | OLSON 8-5 1H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 69 | OLSON C 158-96-21-16-4MBH | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 70 | OLSON STATE | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 71 | OLYMPIA | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 72 | OLYMPIA 36-2 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 73 | OM ERICKSON 5501 11-18 4B | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 74 | OMAHA WOMAN 24-13-12H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 75 | OMAR | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 76 | OMELET 151-94-16B-21H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 77 | OMLID | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 78 | OMLID | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 79 | OMURA 148-93-05D-06H | Dunn County, ND | Oil & Gas Property | May 2026 |
| 80 | ONE FEATHER USA | McLean County, ND | Oil & Gas Property | Jun 2026 |
| 81 | ONEIL | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 82 | ONEIL 1-28H1 | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 83 | ONEILL | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 84 | ONGSTAD | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 85 | OPEDAHL 21X-11 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 86 | OPEE 1-23H | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 87 | OPPEBOEN | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 88 | OPPEGAARD | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 89 | OPSAL 158-99-26A-35-1H | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 90 | OPSETH | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 91 | ORBIT 24-13-12 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 92 | ORBWEAVER 149-92-32C-29H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 93 | ORCA FEDERAL | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 94 | ORCAS STATE 5601 13-16 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 95 | ORDEAN FEDERAL 5300 24-25T | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 96 | ORDWAY 1-26H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 97 | OREN USA 31-6TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 98 | OREO FEDERAL 5300 24-25T | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 99 | ORION FEDERAL 5792 42-20H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 100 | ORLYNNE 2-3H | Divide County, ND | Oil & Gas Property | Jun 2026 |