| 5101 | ROBINSON 7-6 1WA | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 5102 | ROBINSON 82 | Indiana County, PA | Gas Property | Dec 2025 |
| 5103 | ROBINSON BARNEY | Tarrant County, TX | Gas Property | Jun 2026 |
| 5104 | ROBINSON BRANCH | Johnson County, TX | Gas Property | Dec 2018 |
| 5105 | ROBINSON C. C | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 5106 | ROBINSON CAMPBELL 11132 | Washington County, PA | Gas Property | Jun 2026 |
| 5107 | ROBINSON FERGUSON | Bradford County, PA | Gas Property | Jun 2026 |
| 5108 | ROBINSON HW FEDERAL | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 5109 | ROBINSON J. M | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 5110 | ROBINSON M. E | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 5111 | ROBINSON MARY E | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 5112 | ROBINSON PETROLEUM | Wirt County, WV | Oil & Gas Property | Dec 2021 |
| 5113 | ROBINSON R | Crook County, WY | Oil Property | Jul 2026 |
| 5114 | ROBINSON TRUST | Woodward County, OK | Oil & Gas Property | Jul 2026 |
| 5115 | ROBINSON UNIT | Canadian County, OK | Oil & Gas Property | Jul 2026 |
| 5116 | ROBINSON UNIT | Eddy County, NM | Oil & Gas Property | Dec 1995 |
| 5117 | ROBINSON, ALLEN H | Marion County, WV | Gas Property | Dec 2021 |
| 5118 | ROBINSON, C | Harrison County, WV | Gas Property | Dec 2021 |
| 5119 | ROBINSON, C A | Union County, KY | Oil Property | Dec 2024 |
| 5120 | ROBINSON, FERN V | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 5121 | ROBINSON, J | Liberty County, TX | Oil & Gas Property | Jun 2026 |
| 5122 | ROBINSON, J. A | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 5123 | ROBINSON, JOHN W | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 5124 | ROBINSON, KENDALL | Lee County, KY | Oil Property | Dec 2023 |
| 5125 | ROBINSON, RICHARD | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 5126 | ROBINSON, T. P | Schleicher County, TX | Oil & Gas Property | Jun 2026 |
| 5127 | ROBINSON, WALTER F | Neosho County, KS | Gas Property | May 2026 |
| 5128 | ROBINSON-DOBSON-WETZ | Scurry County, TX | Oil & Gas Property | Feb 2022 |
| 5129 | ROBINSON-FED | Blaine County, MT | Gas Property | Jun 2026 |
| 5130 | ROBINSON-MONIZ UNIT | Johnson County, TX | Gas Property | Jun 2026 |
| 5131 | ROBINSON-TERRY | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 5132 | ROBINSON/FERRELL | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 5133 | ROBIRA | Acadia Parish, LA | Oil & Gas Property | Nov 2024 |
| 5134 | ROBISON | Butler County, KS | Oil Property | May 2026 |
| 5135 | ROBISON | Payne County, OK | Oil & Gas Property | Jun 2026 |
| 5136 | ROBISON | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 5137 | ROBISON | Woodson County, KS | Oil Property | May 2026 |
| 5138 | ROBISON | Hughes County, OK | Oil & Gas Property | Aug 2017 |
| 5139 | ROBISON | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 5140 | ROBISON | Major County, OK | Oil Property | Apr 2023 |
| 5141 | ROBISON | Dewey County, OK | Oil & Gas Property | Jun 2026 |
| 5142 | ROBISON | Kingfisher County, OK | Oil & Gas Property | Jul 2021 |
| 5143 | ROBISON | Scurry County, TX | Oil & Gas Property | Jun 2026 |
| 5144 | ROBISON CLARENCE | Holmes County, OH | Oil & Gas Property | Dec 2022 |
| 5145 | ROBISON J. H | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 5146 | ROBISON P. T | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 5147 | ROBISON, STEVE ET AL ROBISON/ROSE | Muhlenberg County, KY | Oil Property | Dec 2024 |
| 5148 | ROBL | Barton County, KS | Oil Property | May 2026 |
| 5149 | ROBL | Barton County, KS | Oil Property | Oct 2025 |
| 5150 | ROBLES S. C | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 5151 | ROBSON | Seneca County, NY | Gas Property | Dec 2025 |
| 5152 | ROBSON & PRITCHARD | Kanawha County, WV | Gas Property | Dec 2021 |
| 5153 | ROBSON RANCH | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 5154 | ROBTANN | Nolan County, TX | Oil & Gas Property | Jun 2026 |
| 5155 | ROBUCK | Caldwell County, TX | Oil & Gas Property | May 2026 |
| 5156 | ROBY | Greenwood County, KS | Oil Property | Nov 2025 |
| 5157 | ROBY GROSE | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 5158 | ROBY, MARION W-1 | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 5159 | ROBY, RANDALL | Daviess County, KY | Oil Property | Dec 2020 |
| 5160 | ROBYN | Milam County, TX | Oil & Gas Property | Jun 2026 |
| 5161 | ROBYN | Seminole County, OK | Oil & Gas Property | Nov 2025 |
| 5162 | ROBYN LEE | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 5163 | ROC BLACK H04RP | Washington County, TX | Oil & Gas Property | Jun 2026 |
| 5164 | ROC WHITE H02RP | Washington County, TX | Oil & Gas Property | Jun 2026 |
| 5165 | ROC-KCL G | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 5166 | ROCA 34-159 UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 5167 | ROCA UNIT 7 | Ward County, TX | Oil & Gas Property | May 2026 |
| 5168 | ROCAZOLLER STATE 54-1-12 LOV | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 5169 | ROCCI | Pottawatomie County, OK | Oil Property | Jun 2026 |
| 5170 | ROCHAMP | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 5171 | ROCHE | Refugio County, TX | Oil & Gas Property | Jun 2026 |
| 5172 | ROCHE FEDERAL | Eddy County, NM | Oil & Gas Property | May 2026 |
| 5173 | ROCHELLE | Lavaca County, TX | Oil & Gas Property | Aug 2025 |
| 5174 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 5175 | ROCHELLE FULLER | De Soto Parish, LA | Oil & Gas Property | May 2006 |
| 5176 | ROCHELLE USA 21-17TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 5177 | ROCHESTER | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 5178 | ROCHESTER | Caldwell County, TX | Oil & Gas Property | Jun 2026 |
| 5179 | ROCHESTER & PGH | Clearfield County, PA | Gas Property | Dec 2025 |
| 5180 | ROCHESTER & PGH C | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5181 | ROCHESTER & PGH COAL | Jefferson County, PA | Gas Property | Dec 2025 |
| 5182 | ROCHESTER & PGH COAL | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 5183 | ROCHESTER & PGH COAL | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5184 | ROCHESTER & PGH COAL CO | Jefferson County, PA | Gas Property | Dec 2025 |
| 5185 | ROCHESTER & PGH COAL CO | Jefferson County, PA | Gas Property | Dec 2025 |
| 5186 | ROCHESTER & PGH COAL CO | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5187 | ROCHESTER & PITT | Indiana County, PA | Gas Property | Dec 2025 |
| 5188 | ROCHESTER & PITTS | Marion County, WV | Oil & Gas Property | Dec 2021 |
| 5189 | ROCHESTER & PITTS | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5190 | ROCHESTER & PITTSBURG | Armstrong County, PA | Gas Property | Dec 2025 |
| 5191 | ROCHESTER & PITTSBURGH CO | Indiana County, PA | Gas Property | Dec 2025 |
| 5192 | ROCHESTER & PITTSBURGH COAL CO | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 5193 | ROCHESTER & PITTSBURGH COAL CO | Indiana County, PA | Gas Property | Dec 2025 |
| 5194 | ROCHESTER & PITTSBURGH COAL COMPANY CR | Marion County, WV | Gas Property | Dec 2021 |
| 5195 | ROCHESTER & PITTSUBRGH COAL CO | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 5196 | ROCHESTER&PITTSBURGH COAL | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 5197 | ROCHIN UNIT | Tarrant County, TX | Gas Property | Jun 2026 |
| 5198 | ROCK | San Luis Obispo County, CA | Oil & Gas Property | Jul 2026 |
| 5199 | ROCK | Comanche County, KS | Oil & Gas Property | May 2026 |
| 5200 | ROCK | Weston County, WY | Oil & Gas Property | May 2026 |