| 101 | REVLAND FED TRUST | Campbell County, WY | Gas Property | Aug 2009 |
| 102 | REX FED 3571-21 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 103 | REX STATE 3571-21-16 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 104 | REYNARD UNIT | Lincoln County, WY | Oil & Gas Property | Oct 2024 |
| 105 | REYNOLDS | Crook County, WY | Oil & Gas Property | Jul 2024 |
| 106 | REYNOLDS | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 107 | REYNOLDS | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 108 | REYNOLDS | Campbell County, WY | Gas Property | Nov 2012 |
| 109 | REYNOLDS CS | Campbell County, WY | Gas Property | Feb 2018 |
| 110 | RFD FEE | Weston County, WY | Oil Property | Jul 1991 |
| 111 | RFD GOVT | Weston County, WY | Oil & Gas Property | Nov 2019 |
| 112 | RHEETI | Laramie County, WY | Oil & Gas Property | Sep 2024 |
| 113 | RHINE 3625 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 114 | RICE & SONS | Sheridan County, WY | Gas Property | May 2012 |
| 115 | RICH | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 116 | RICH | Campbell County, WY | Oil Property | Feb 2022 |
| 117 | RICHARDSON | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 118 | RIDE FED 3670-28 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 119 | RIDENOUR | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 120 | RIDGE POINT | Lincoln County, WY | Oil & Gas Property | Oct 2024 |
| 121 | RIDGELY | Hot Springs County, WY | Oil & Gas Property | Oct 2024 |
| 122 | RIDGERUNNER CS FED | Campbell County, WY | Gas Property | Apr 2010 |
| 123 | RIDGLEY | Hot Springs County, WY | Oil & Gas Property | May 2023 |
| 124 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 125 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2004 |
| 126 | RILEY RIDGE | Sublette County, WY | Oil & Gas Property | Jul 2014 |
| 127 | RIMROCK | Laramie County, WY | Oil & Gas Property | Oct 2024 |
| 128 | RINGER 4470-0409-1TH | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 129 | RIPS 4471-0 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 130 | RITCHIE 56-77 | Sheridan County, WY | Gas Property | Jun 2015 |
| 131 | RITCHIE FED 3671-12 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 132 | RITTHALER | Weston County, WY | Oil Property | May 2009 |
| 133 | RIVERBEND | Campbell County, WY | Gas Property | Nov 2014 |
| 134 | RIVERSIDE | Sublette County, WY | Oil & Gas Property | Oct 2024 |
| 135 | RIVERTON | Fremont County, WY | Oil & Gas Property | Jul 2024 |
| 136 | RM OREGON FEDERAL 24-12 43-77BH | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 137 | RM WASHINGTON FEE 14-1 43-77H | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 138 | RMMC | Campbell County, WY | Gas Property | Jul 2003 |
| 139 | RMSU | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 140 | ROAD HOLLOW | Lincoln County, WY | Oil & Gas Property | Sep 2024 |
| 141 | ROBBERS | Carbon County, WY | Oil & Gas Property | Oct 2024 |
| 142 | ROBBINS | Johnson County, WY | Gas Property | May 2012 |
| 143 | ROBBINS | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 144 | ROBBINS | Campbell County, WY | Gas Property | Mar 2007 |
| 145 | ROBBINS | Campbell County, WY | Gas Property | Jan 2011 |
| 146 | ROBBINS UNIT | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 147 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 148 | ROBERTS | Weston County, WY | Oil Property | Jul 2019 |
| 149 | ROBERTS STEWART | Weston County, WY | Oil Property | Nov 2024 |
| 150 | ROBINSON | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 151 | ROBINSON | Crook County, WY | Oil Property | Oct 2024 |
| 152 | ROBINSON | Crook County, WY | Oil & Gas Property | Oct 2024 |
| 153 | ROBINSON | Weston County, WY | Oil & Gas Property | Jul 2021 |
| 154 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2024 |
| 155 | ROBINSON | Big Horn County, WY | Oil Property | Sep 2019 |
| 156 | ROBINSON R | Crook County, WY | Oil Property | Oct 2024 |
| 157 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 158 | ROCK | Weston County, WY | Oil & Gas Property | Oct 2024 |
| 159 | ROCK CREEK | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 160 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 161 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 162 | ROCKY POINT | Campbell County, WY | Oil & Gas Property | Nov 2024 |
| 163 | RODEO | Niobrara County, WY | Oil & Gas Property | Aug 2022 |
| 164 | ROEHRS | Campbell County, WY | Oil Property | May 1981 |
| 165 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 166 | ROGERS | Campbell County, WY | Oil & Gas Property | Jul 2024 |
| 167 | ROGERS | Campbell County, WY | Gas Property | Jun 2015 |
| 168 | ROHDE | Campbell County, WY | Oil & Gas Property | Sep 2024 |
| 169 | ROHWEDER | Laramie County, WY | Oil & Gas Property | Sep 2024 |
| 170 | ROLFF LAKE | Fremont County, WY | Oil Property | Nov 2024 |
| 171 | ROLLING PIN | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 172 | ROLLINS 0112-0 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 173 | ROMMEL CS STATE | Campbell County, WY | Gas Property | Nov 2019 |
| 174 | ROPER FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 175 | ROSE | Hot Springs County, WY | Oil Property | Nov 2024 |
| 176 | ROSEBORO | Campbell County, WY | Gas Property | Sep 2010 |
| 177 | ROSEMARY | Laramie County, WY | Oil & Gas Property | May 2023 |
| 178 | ROSIE FED 4878-35-11-1 | Johnson County, WY | Oil & Gas Property | Oct 2024 |
| 179 | ROSS FE | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 180 | ROTH | Niobrara County, WY | Oil Property | Sep 2021 |
| 181 | ROURKE | Campbell County, WY | Oil & Gas Property | Jan 2007 |
| 182 | ROURKE | Campbell County, WY | Oil & Gas Property | Aug 2022 |
| 183 | ROURKE FEDERAL | Campbell County, WY | Gas Property | Mar 2007 |
| 184 | ROUSH | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 185 | ROUSSEAU | Park County, WY | Oil & Gas Property | Oct 2024 |
| 186 | ROUTER CS FEDERAL | Johnson County, WY | Gas Property | May 2023 |
| 187 | ROWLEY | Sheridan County, WY | Gas Property | Jun 2015 |
| 188 | ROXY FED 4372-2 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 189 | ROY AMOCO | Campbell County, WY | Oil Property | Oct 2024 |
| 190 | ROY WILLEY | Big Horn County, WY | Oil & Gas Property | Oct 2024 |
| 191 | ROZET | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 192 | ROZET WEST | Campbell County, WY | Oil Property | Oct 2024 |
| 193 | RPG FEDERAL | Crook County, WY | Oil Property | Oct 2024 |
| 194 | RRC 16-34-70 USAC TR 21H | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 195 | RRC 4-34-70 USA D TR 22H | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 196 | RRC 5-34-70 USA B TR 2 | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 197 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 198 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 199 | RU FED | Johnson County, WY | Gas Property | Oct 2024 |
| 200 | RU JFW FED | Converse County, WY | Oil & Gas Property | Oct 2024 |