| 103101 | REPPOND | Union Parish, LA | Gas Property | Nov 2019 |
| 103102 | REPPOND | Union Parish, LA | Gas Property | Jun 2024 |
| 103103 | REPSHIRE | Lane County, KS | Oil Property | Dec 2025 |
| 103104 | REPUBLIC | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 103105 | REPUBLIC | Stevens County, KS | Gas Property | Feb 2026 |
| 103106 | REPUBLIC 'B' | Morton County, KS | Oil & Gas Property | Feb 2026 |
| 103107 | REPUBLIC FEE | Stevens County, KS | Gas Property | Feb 2026 |
| 103108 | REPUBLIC FEE | Stevens County, KS | Gas Property | Feb 2026 |
| 103109 | REPUBLIC INSURANCE CO | Wood County, TX | Oil & Gas Property | Mar 2026 |
| 103110 | REPUBLIC STEEL | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 103111 | REPUBLIC STEEL CORP | Tuscaloosa County, AL | Oil & Gas Property | Sep 1995 |
| 103112 | REPUBLIC STEEL CORP | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 103113 | REPUBLIC STEEL CORP | Pike County, KY | Gas Property | Dec 2024 |
| 103114 | REPUBLIC STEEL CORP | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 103115 | REPUBLIC STEEL CORP. UNIT | Tuscaloosa County, AL | Oil & Gas Property | Feb 1987 |
| 103116 | REPUBLIC UNIT | Nolan County, TX | Oil & Gas Property | Mar 2026 |
| 103117 | REPUBLIC USL | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 103118 | REPUBLIC-RATLIFF UNIT | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 103119 | RESCH FRANK | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 103120 | RESCH GAS UNIT | Harrison County, TX | Oil & Gas Property | Feb 2026 |
| 103121 | RESCH GAS UNIT B | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 103122 | RESCH KATHLEEN M | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 103123 | RESCHLY | Nowata County, OK | Oil Property | Oct 1997 |
| 103124 | RESENDEZ | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 103125 | RESER | Moore County, TX | Oil & Gas Property | Mar 2026 |
| 103126 | RESERVE | Throckmorton County, TX | Oil Property | Nov 2024 |
| 103127 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 103128 | RESERVE | Kern County, CA | Oil & Gas Property | Jan 1992 |
| 103129 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 103130 | RESERVE 3-65 | Adams County, CO | Oil & Gas Property | Mar 2026 |
| 103131 | RESERVE FEDERAL 3-65 35-34 | Adams County, CO | Oil & Gas Property | Mar 2026 |
| 103132 | RESERVE-E. W. PAULEY | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 103133 | RESERVOIR | Lincoln County, WY | Oil & Gas Property | Mar 2026 |
| 103134 | RESERVOIR | Orange County, CA | Oil & Gas Property | Dec 1995 |
| 103135 | RESERVOIR CREEK | Fremont County, WY | Oil & Gas Property | Sep 2025 |
| 103136 | RESH | Pittsburg County, OK | Gas Property | Mar 2026 |
| 103137 | RESLER | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103138 | RESLER | Washington County, CO | Oil & Gas Property | Feb 2015 |
| 103139 | RESLER STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 103140 | RESLER YATES STATE | Eddy County, NM | Oil & Gas Property | Dec 2024 |
| 103141 | RESLEY | Russell County, KS | Oil Property | Feb 2026 |
| 103142 | RESNER | Russell County, KS | Oil Property | May 1997 |
| 103143 | RESNICK | Portage County, OH | Oil & Gas Property | Dec 2025 |
| 103144 | RESOLUTE | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 103145 | RESOLUTE 12 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103146 | RESOLUTE 7 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103147 | RESOLUTE BTO FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103148 | RESOLUTE BTO FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103149 | RESOLVER FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 103150 | RESONANCE | Bottineau County, ND | Oil Property | Apr 2026 |
| 103151 | RESONANCE BALLANTYNE 1 | Bottineau County, ND | Oil & Gas Property | Apr 2026 |
| 103152 | RESONANCE FYLLING | Bottineau County, ND | Oil Property | Apr 2026 |
| 103153 | RESONANCE LODOEN | Bottineau County, ND | Oil & Gas Property | Apr 2026 |
| 103154 | RESONANCE LODOEN 3-32H | Bottineau County, ND | Oil & Gas Property | Apr 2026 |
| 103155 | RESONANCE WILMOT 8-27H | Bottineau County, ND | Oil Property | Apr 2026 |
| 103156 | RESOURCE RECOVERY | Centre County, PA | Gas Property | Mar 2026 |
| 103157 | RESSMAN 01 | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 103158 | RESSMAN-JAMES GANO SA1 1H | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 103159 | REST | Gray County, TX | Oil & Gas Property | Feb 2026 |
| 103160 | RESTANA | Toole County, MT | Gas Property | Feb 2026 |
| 103161 | RESULT | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 103162 | RETA | Pottawatomie County, OK | Oil & Gas Property | Apr 2026 |
| 103163 | RETAMA RANCH | Webb County, TX | Gas Property | Mar 2026 |
| 103164 | RETAMA RANCH | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 103165 | RETAMA STATE UNIT 101AH | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 103166 | RETHA | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 103167 | RETHERFORD | Latimer County, OK | Gas Property | Mar 2026 |
| 103168 | RETHERFORD | Montezuma County, CO | Oil & Gas Property | Sep 2012 |
| 103169 | RETTA | Dewey County, OK | Oil & Gas Property | Mar 2026 |
| 103170 | RETTIG | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 103171 | RETTIG | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 103172 | RETTIG | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 103173 | RETZKE | Duchesne County, UT | Oil & Gas Property | Mar 2026 |
| 103174 | RETZLOFF | Midland County, MI | Oil Property | Nov 2008 |
| 103175 | RETZLOFF MAY-MAUCH KRUEGER SA | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 103176 | RETZLOFF UNIT | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 103177 | RETZLOFF-CHAPMAN UNIT | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 103178 | RETZLOFF-MAY | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 103179 | RETZLOFF-TOM | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 103180 | REUBEN BUGHMAN | Jefferson County, PA | Gas Property | Dec 2025 |
| 103181 | REUBEN PIERCE | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 103182 | REUBEN SCHNEIDER | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 103183 | REUBER | Rawlins County, KS | Oil Property | Feb 2026 |
| 103184 | REUM | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 103185 | REUM | Hill County, MT | Gas Property | Apr 2026 |
| 103186 | REUNION | Seminole County, OK | Oil & Gas Property | Apr 2026 |
| 103187 | REUPERT | Logan County, OK | Oil & Gas Property | Mar 2026 |
| 103188 | REUSCH UNIT | Latimer County, OK | Gas Property | Feb 2026 |
| 103189 | REUSS G. T | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 103190 | REUSSER | Ness County, KS | Oil Property | Nov 2025 |
| 103191 | REUST | Texas County, OK | Gas Property | Mar 2026 |
| 103192 | REUST | Texas County, OK | Oil & Gas Property | Mar 2026 |
| 103193 | REUTER | Rio Arriba County, NM | Oil & Gas Property | Apr 2026 |
| 103194 | REUTER | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 103195 | REUTER | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 103196 | REUTER | Moore County, TX | Gas Property | Mar 2026 |
| 103197 | REUTER | Rio Arriba County, NM | Oil & Gas Property | Apr 2026 |
| 103198 | REUTER | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 103199 | REUTHER UNIT | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 103200 | REUTHINGER | Webb County, TX | Gas Property | Apr 2026 |