| 3001 | OEDEKOVEN | Campbell County, WY | Gas Property | Jun 2015 |
| 3002 | OEDEKOVEN | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3003 | OEDEKOVEN | Campbell County, WY | Gas Property | Apr 2013 |
| 3004 | OEDEKOVEN | Campbell County, WY | Gas Property | Sep 2011 |
| 3005 | OEDEKOVEN | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 3006 | OEDEKOVEN FAMIL | Campbell County, WY | Gas Property | Aug 2014 |
| 3007 | OFFUTT-ROURKE | Campbell County, WY | Oil Property | Feb 2025 |
| 3008 | OGALALLA | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3009 | OGDEN LEWIS | Weston County, WY | Oil Property | Nov 2019 |
| 3010 | OGLE | Park County, WY | Oil & Gas Property | Sep 1991 |
| 3011 | OHMAN | Campbell County, WY | Gas Property | Nov 2013 |
| 3012 | OHMAN | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 3013 | OILDIGGER | Crook County, WY | Oil & Gas Property | Mar 2025 |
| 3014 | OLD GLORY HOLE | Natrona County, WY | Oil Property | Oct 2018 |
| 3015 | OLDS UNIT | Weston County, WY | Oil & Gas Property | Feb 2025 |
| 3016 | OLLIE | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 3017 | OLMSTEAD | Campbell County, WY | Oil & Gas Property | Jun 1991 |
| 3018 | OLSEN | Campbell County, WY | Oil Property | Nov 1999 |
| 3019 | OLSWICK CS | Campbell County, WY | Gas Property | Apr 2019 |
| 3020 | OLYMPIC | Carbon County, WY | Oil & Gas Property | Nov 2024 |
| 3021 | OMAHA-WYOMING | Uinta County, WY | Oil & Gas Property | Oct 2024 |
| 3022 | OPAL | Lincoln County, WY | Oil & Gas Property | Feb 2025 |
| 3023 | OPAL | Lincoln County, WY | Oil & Gas Property | Feb 2025 |
| 3024 | OPAL | Lincoln County, WY | Oil & Gas Property | Feb 2025 |
| 3025 | OPAL BENCH | Lincoln County, WY | Oil & Gas Property | Oct 2015 |
| 3026 | OPAL FED 3467-1628 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3027 | OPC 1 | Washakie County, WY | Oil & Gas Property | Feb 2025 |
| 3028 | OPPELT | Campbell County, WY | Gas Property | May 2012 |
| 3029 | ORBIT | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 3030 | ORCHARD | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3031 | ORCHARD | Hot Springs County, WY | Oil & Gas Property | Feb 2025 |
| 3032 | ORCHARD CS | Campbell County, WY | Gas Property | Dec 2015 |
| 3033 | ORCHID 1-13 | Campbell County, WY | Oil Property | Feb 2025 |
| 3034 | ORION | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3035 | ORIVA | Campbell County, WY | Gas Property | Dec 2011 |
| 3036 | ORIVA FEDERAL | Campbell County, WY | Gas Property | Feb 2025 |
| 3037 | OS 03 | Campbell County, WY | Gas Property | Feb 2010 |
| 3038 | OS 05 | Campbell County, WY | Gas Property | Jun 2015 |
| 3039 | OS 11 | Campbell County, WY | Gas Property | Jul 2015 |
| 3040 | OS 13 | Campbell County, WY | Gas Property | Jul 2015 |
| 3041 | OS 16 | Campbell County, WY | Gas Property | Jun 2014 |
| 3042 | OSAGE BRADLEY UNIT | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 3043 | OSAGE JUNIPER UNIT | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 3044 | OSAGE WEST UNIT | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 3045 | OSBORN | Campbell County, WY | Gas Property | Jan 2008 |
| 3046 | OSBORN HEIRS | Weston County, WY | Oil & Gas Property | Feb 2025 |
| 3047 | OST ESTATE | Weston County, WY | Oil Property | Jun 1995 |
| 3048 | OSTLAND | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3049 | OSTLUND | Campbell County, WY | Oil & Gas Property | Aug 2011 |
| 3050 | OSTLUND-PATENTED | Campbell County, WY | Oil & Gas Property | Sep 1992 |
| 3051 | OTE CREEK UNIT | Sublette County, WY | Oil & Gas Property | Feb 1992 |
| 3052 | OTTO | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3053 | OUTER BLACKS FORK | Uinta County, WY | Oil & Gas Property | Feb 2025 |
| 3054 | OVERBROOK FEE | Campbell County, WY | Gas Property | May 2013 |
| 3055 | OWEN | Uinta County, WY | Oil & Gas Property | Feb 2025 |
| 3056 | OWENS | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3057 | OWL CREEK | Fremont County, WY | Oil & Gas Property | Jun 2024 |
| 3058 | OXBOW | Campbell County, WY | Gas Property | Nov 2003 |
| 3059 | P H LIVESTOCK | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 3060 | P LITTON FED | Converse County, WY | Gas Property | Nov 2009 |
| 3061 | P MOORE FED | Campbell County, WY | Gas Property | Jun 2017 |
| 3062 | P ROSENBURG C 24 | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3063 | P&M LEWIS | Campbell County, WY | Gas Property | Jan 2013 |
| 3064 | PACIFIC | Crook County, WY | Oil & Gas Property | Jan 2025 |
| 3065 | PACIFIC POWER 3675-27 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3066 | PADDYS IRISH FED 3976-26-25 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3067 | PAINT FEDERAL 4075-18-19-1FH | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3068 | PAINTER RES | Uinta County, WY | Oil & Gas Property | May 2017 |
| 3069 | PAINTER RES | Uinta County, WY | Oil & Gas Property | Feb 2025 |
| 3070 | PALM | Campbell County, WY | Gas Property | Aug 2014 |
| 3071 | PALO FEDERAL | Campbell County, WY | Gas Property | Jun 2015 |
| 3072 | PANDO 32 | Uinta County, WY | Oil & Gas Property | Feb 2025 |
| 3073 | PANDO FEDERAL 32 | Uinta County, WY | Oil & Gas Property | Jul 2020 |
| 3074 | PANDORA | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3075 | PANDORA 440 28-21H | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3076 | PAPPY DRAW | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 3077 | PARKER | Laramie County, WY | Oil & Gas Property | May 2016 |
| 3078 | PARKINSON | Albany County, WY | Oil & Gas Property | Feb 2025 |
| 3079 | PARKS LONGHORN | Campbell County, WY | Gas Property | Jun 2015 |
| 3080 | PARNELL | Campbell County, WY | Oil & Gas Property | Apr 2012 |
| 3081 | PARNELL | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3082 | PARSONS | Natrona County, WY | Oil Property | May 2015 |
| 3083 | PASCALI | Lincoln County, WY | Oil & Gas Property | Feb 2025 |
| 3084 | PASS CREEK BASIN | Carbon County, WY | Oil & Gas Property | Feb 2025 |
| 3085 | PASTRY FEDERAL COM 1H | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 3086 | PATRICIA C | Campbell County, WY | Gas Property | Oct 2019 |
| 3087 | PATSY DRAW UNIT | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3088 | PATSY DRAW UNIT | Converse County, WY | Oil & Gas Property | Dec 2023 |
| 3089 | PATTERSON | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3090 | PATTERSON | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 3091 | PAULINE | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3092 | PAULINE PATENTED | Park County, WY | Oil & Gas Property | Feb 2025 |
| 3093 | PAULLEY | Weston County, WY | Oil Property | Jul 2017 |
| 3094 | PAVILLION | Fremont County, WY | Oil & Gas Property | Feb 2025 |
| 3095 | PAYNE | Johnson County, WY | Gas Property | Jan 2025 |
| 3096 | PBSU | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 3097 | PC FEDERAL | Campbell County, WY | Gas Property | Jan 2025 |
| 3098 | PC GAITHER | Campbell County, WY | Gas Property | Nov 2010 |
| 3099 | PC GE | Campbell County, WY | Gas Property | Nov 2010 |
| 3100 | PC GEER FEDERAL | Campbell County, WY | Gas Property | Nov 2010 |