| 5001 | ROBERTSON | Yuma County, CO | Gas Property | May 2025 |
| 5002 | ROBERTSON | Dewey County, OK | Oil & Gas Property | Apr 2018 |
| 5003 | ROBERTSON | Stephens County, TX | Oil & Gas Property | Apr 2025 |
| 5004 | ROBERTSON | Armstrong County, PA | Gas Property | Dec 2024 |
| 5005 | ROBERTSON | McLean County, KY | Oil Property | Dec 2023 |
| 5006 | ROBERTSON | Beckham County, OK | Oil & Gas Property | Nov 2024 |
| 5007 | ROBERTSON | Union County, KY | Oil Property | Nov 2022 |
| 5008 | ROBERTSON | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 5009 | ROBERTSON | Kiowa County, KS | Gas Property | May 2014 |
| 5010 | ROBERTSON | Beckham County, OK | Oil & Gas Property | Aug 1999 |
| 5011 | ROBERTSON | Tulsa County, OK | Oil Property | Sep 2019 |
| 5012 | ROBERTSON | Crosby County, TX | Oil & Gas Property | Jun 2015 |
| 5013 | ROBERTSON | Gaines County, TX | Oil & Gas Property | Apr 2025 |
| 5014 | ROBERTSON | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 5015 | ROBERTSON | Roger Mills County, OK | Oil & Gas Property | May 2025 |
| 5016 | ROBERTSON | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 5017 | ROBERTSON | Caddo County, OK | Oil & Gas Property | Apr 2025 |
| 5018 | ROBERTSON | Kern County, CA | Oil & Gas Property | Jul 2024 |
| 5019 | ROBERTSON | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 5020 | ROBERTSON | Stephens County, TX | Oil & Gas Property | Apr 2025 |
| 5021 | ROBERTSON (SAN ANDRES) UNIT | Gaines County, TX | Oil & Gas Property | Apr 2025 |
| 5022 | ROBERTSON 1 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 5023 | ROBERTSON 2710 | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 5024 | ROBERTSON CLEAR | Gaines County, TX | Oil & Gas Property | Apr 2025 |
| 5025 | ROBERTSON CSL | Eastland County, TX | Oil & Gas Property | Apr 2025 |
| 5026 | ROBERTSON GEORGE | Harrison County, TX | Oil & Gas Property | Apr 2025 |
| 5027 | ROBERTSON J. T | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 5028 | ROBERTSON N. CLEARFORK LO. UNIT | Gaines County, TX | Oil & Gas Property | Apr 2025 |
| 5029 | ROBERTSON OMIE GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 5030 | ROBERTSON RENNO K. G | Wise County, TX | Gas Property | Apr 2025 |
| 5031 | ROBERTSON STATE UNIT 2 | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 5032 | ROBERTSON USA 14-20TFH | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 5033 | ROBERTSON, R | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 5034 | ROBERTSON, W | McLean County, KY | Oil Property | Dec 2023 |
| 5035 | ROBERTSON,J | Wilson County, KS | Gas Property | Mar 2025 |
| 5036 | ROBERTSON-DEATS | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 5037 | ROBERTSON-MULHOLLAND | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 5038 | ROBERTSON-REED | Ouachita Parish, LA | Gas Property | Nov 2024 |
| 5039 | ROBESON | Matagorda County, TX | Oil & Gas Property | Mar 2025 |
| 5040 | ROBESON | Leon County, TX | Oil & Gas Property | Apr 2025 |
| 5041 | ROBESON F. T | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 5042 | ROBEY, WAYNE | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 5043 | ROBICHAUX | Lafourche Parish, LA | Oil & Gas Property | Dec 2024 |
| 5044 | ROBIDOUX | Moffat County, CO | Gas Property | Feb 2015 |
| 5045 | ROBIL UNIT | Summit County, OH | Oil & Gas Property | Dec 2013 |
| 5046 | ROBIN | Lavaca County, TX | Oil & Gas Property | Apr 2025 |
| 5047 | ROBIN | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 5048 | ROBIN 148-92-23B-24H | Dunn County, ND | Oil & Gas Property | May 2025 |
| 5049 | ROBIN 7/6 OB | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 5050 | ROBIN 8 | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 5051 | ROBIN 9 | Weld County, CO | Oil & Gas Property | May 2025 |
| 5052 | ROBIN FEDERAL | Lea County, NM | Oil & Gas Property | May 2025 |
| 5053 | ROBIN HOOD | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 5054 | ROBIN LAND COMPANY | Boone County, WV | Oil & Gas Property | May 2012 |
| 5055 | ROBIN LEA | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 5056 | ROBIN LYNN ROSSI | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 5057 | ROBIN USA 1 | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 5058 | ROBINETT | Comanche County, TX | Oil & Gas Property | Mar 2025 |
| 5059 | ROBINETTE 210129 | Monroe County, OH | Gas Property | Mar 2025 |
| 5060 | ROBINETTE, J.C | Hidalgo County, TX | Oil & Gas Property | Apr 2016 |
| 5061 | ROBINHILL | Washington County, PA | Oil & Gas Property | May 2025 |
| 5062 | ROBINS | Guernsey County, OH | Oil Property | Dec 2012 |
| 5063 | ROBINSON | Caddo Parish, LA | Oil Property | Jan 2025 |
| 5064 | ROBINSON | Dickens County, TX | Oil & Gas Property | Apr 2025 |
| 5065 | ROBINSON | Bee County, TX | Oil & Gas Property | Mar 2025 |
| 5066 | ROBINSON | Crook County, WY | Oil Property | Jun 2025 |
| 5067 | ROBINSON | Converse County, WY | Oil & Gas Property | May 2025 |
| 5068 | ROBINSON | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 5069 | ROBINSON | Harper County, KS | Oil & Gas Property | Mar 2025 |
| 5070 | ROBINSON | Loving County, TX | Oil & Gas Property | Apr 2025 |
| 5071 | ROBINSON | Ogemaw County, MI | Oil & Gas Property | May 2025 |
| 5072 | ROBINSON | Carter County, OK | Oil & Gas Property | Apr 2025 |
| 5073 | ROBINSON | Fort Bend County, TX | Oil & Gas Property | Oct 2024 |
| 5074 | ROBINSON | Pike County, KY | Gas Property | Dec 2023 |
| 5075 | ROBINSON | Union County, KY | Oil Property | Dec 2019 |
| 5076 | ROBINSON | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 5077 | ROBINSON | Franklin County, AR | Gas Property | Jun 2024 |
| 5078 | ROBINSON | Hardeman County, TX | Oil & Gas Property | Apr 2025 |
| 5079 | ROBINSON | Johnson County, KY | Oil & Gas Property | Dec 2023 |
| 5080 | ROBINSON | Washington County, OK | Gas Property | Dec 2014 |
| 5081 | ROBINSON | Braxton County, WV | Gas Property | Dec 2021 |
| 5082 | ROBINSON | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 5083 | ROBINSON | Comanche County, KS | Oil Property | Mar 2025 |
| 5084 | ROBINSON | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 5085 | ROBINSON | Hocking County, OH | Oil Property | Dec 2024 |
| 5086 | ROBINSON | Stevens County, KS | Gas Property | Mar 2025 |
| 5087 | ROBINSON | Gray County, TX | Gas Property | Apr 2025 |
| 5088 | ROBINSON | Yoakum County, TX | Oil & Gas Property | Dec 2012 |
| 5089 | ROBINSON | Blaine County, MT | Gas Property | May 2025 |
| 5090 | ROBINSON | Eddy County, NM | Oil & Gas Property | May 2025 |
| 5091 | ROBINSON | Red River Parish, LA | Oil & Gas Property | Dec 2024 |
| 5092 | ROBINSON | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 5093 | ROBINSON | Tyler County, WV | Oil & Gas Property | Dec 2024 |
| 5094 | ROBINSON | McPherson County, KS | Oil Property | Jan 2025 |
| 5095 | ROBINSON | Jackson Parish, LA | Oil & Gas Property | Jul 2016 |
| 5096 | ROBINSON | Kingman County, KS | Oil & Gas Property | Feb 2025 |
| 5097 | ROBINSON | McPherson County, KS | Oil Property | Mar 2025 |
| 5098 | ROBINSON | Latimer County, OK | Gas Property | Apr 2025 |
| 5099 | ROBINSON | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 5100 | ROBINSON | Harrison County, WV | Oil & Gas Property | Dec 2021 |