| 4901 | ROBERTSON | Lincoln County, OK | Oil Property | Feb 2026 |
| 4902 | ROBERTSON | Fisher County, TX | Oil & Gas Property | Feb 2026 |
| 4903 | ROBERTSON | Stephens County, OK | Oil & Gas Property | Feb 2026 |
| 4904 | ROBERTSON | Pontotoc County, OK | Oil Property | Mar 2026 |
| 4905 | ROBERTSON | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 4906 | ROBERTSON | Harper County, OK | Oil & Gas Property | Feb 2026 |
| 4907 | ROBERTSON | Moore County, TX | Oil & Gas Property | Mar 2026 |
| 4908 | ROBERTSON | Rooks County, KS | Oil Property | Feb 2026 |
| 4909 | ROBERTSON | Lavaca County, TX | Oil & Gas Property | Dec 2025 |
| 4910 | ROBERTSON | Harper County, OK | Oil & Gas Property | Feb 2026 |
| 4911 | ROBERTSON | Ventura County, CA | Oil & Gas Property | Mar 2026 |
| 4912 | ROBERTSON | Dewey County, OK | Oil & Gas Property | Jan 2026 |
| 4913 | ROBERTSON | Licking County, OH | Gas Property | Dec 2025 |
| 4914 | ROBERTSON | Bossier Parish, LA | Oil & Gas Property | Nov 2024 |
| 4915 | ROBERTSON | Tom Green County, TX | Oil & Gas Property | Mar 2026 |
| 4916 | ROBERTSON | Harper County, OK | Oil & Gas Property | Feb 2026 |
| 4917 | ROBERTSON | Floyd County, KY | Oil & Gas Property | Dec 2024 |
| 4918 | ROBERTSON | Grayson County, TX | Oil & Gas Property | Mar 2026 |
| 4919 | ROBERTSON | Haskell County, OK | Gas Property | Feb 2026 |
| 4920 | ROBERTSON | Muskingum County, OH | Oil & Gas Property | Dec 1992 |
| 4921 | ROBERTSON | Duchesne County, UT | Oil & Gas Property | Jul 2013 |
| 4922 | ROBERTSON | Beaver County, OK | Oil & Gas Property | Feb 2026 |
| 4923 | ROBERTSON | De Soto Parish, LA | Gas Property | Dec 2024 |
| 4924 | ROBERTSON | Hocking County, OH | Oil & Gas Property | Dec 2025 |
| 4925 | ROBERTSON | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 4926 | ROBERTSON | Medina County, OH | Oil & Gas Property | Dec 2025 |
| 4927 | ROBERTSON | Garfield County, OK | Oil & Gas Property | May 2025 |
| 4928 | ROBERTSON | Garvin County, OK | Oil & Gas Property | Feb 2026 |
| 4929 | ROBERTSON | Moore County, TX | Oil & Gas Property | Dec 2023 |
| 4930 | ROBERTSON | Gove County, KS | Oil Property | Apr 2025 |
| 4931 | ROBERTSON | Kingman County, KS | Oil & Gas Property | Feb 2026 |
| 4932 | ROBERTSON | Bexar County, TX | Oil & Gas Property | Feb 2026 |
| 4933 | ROBERTSON | Yuma County, CO | Gas Property | Feb 2026 |
| 4934 | ROBERTSON | Dewey County, OK | Oil & Gas Property | Apr 2018 |
| 4935 | ROBERTSON | Stephens County, TX | Oil & Gas Property | Feb 2026 |
| 4936 | ROBERTSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 4937 | ROBERTSON | McLean County, KY | Oil Property | Dec 2023 |
| 4938 | ROBERTSON | Beckham County, OK | Oil & Gas Property | Nov 2024 |
| 4939 | ROBERTSON | Union County, KY | Oil Property | Nov 2022 |
| 4940 | ROBERTSON | Caldwell County, TX | Oil & Gas Property | Mar 2026 |
| 4941 | ROBERTSON | Beckham County, OK | Oil & Gas Property | Aug 1999 |
| 4942 | ROBERTSON | Tulsa County, OK | Oil Property | Sep 2019 |
| 4943 | ROBERTSON | Crosby County, TX | Oil & Gas Property | Jun 2015 |
| 4944 | ROBERTSON | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 4945 | ROBERTSON | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 4946 | ROBERTSON | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 4947 | ROBERTSON | Tuscaloosa County, AL | Gas Property | Mar 2026 |
| 4948 | ROBERTSON | Caddo County, OK | Oil & Gas Property | Feb 2026 |
| 4949 | ROBERTSON | Kern County, CA | Oil & Gas Property | Jul 2024 |
| 4950 | ROBERTSON | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 4951 | ROBERTSON | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 4952 | ROBERTSON (SAN ANDRES) UNIT | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 4953 | ROBERTSON 1 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4954 | ROBERTSON 1 | Madison County, TX | Oil & Gas Property | Oct 2025 |
| 4955 | ROBERTSON 2710 | Alfalfa County, OK | Oil & Gas Property | Feb 2026 |
| 4956 | ROBERTSON CLEAR | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 4957 | ROBERTSON CSL | Eastland County, TX | Oil & Gas Property | Mar 2026 |
| 4958 | ROBERTSON GEORGE | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 4959 | ROBERTSON J. T | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 4960 | ROBERTSON N. CLEARFORK LO. UNIT | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 4961 | ROBERTSON OMIE GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 4962 | ROBERTSON RENNO K. G | Wise County, TX | Gas Property | Mar 2026 |
| 4963 | ROBERTSON STATE UNIT 2 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 4964 | ROBERTSON USA 14-20TFH | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 4965 | ROBERTSON, R | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 4966 | ROBERTSON, W | McLean County, KY | Oil Property | Dec 2023 |
| 4967 | ROBERTSON,J | Wilson County, KS | Gas Property | Feb 2026 |
| 4968 | ROBERTSON-DEATS | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 4969 | ROBERTSON-MULHOLLAND | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 4970 | ROBERTSON-REED | Ouachita Parish, LA | Gas Property | Nov 2024 |
| 4971 | ROBESON | Matagorda County, TX | Oil & Gas Property | Feb 2026 |
| 4972 | ROBESON | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 4973 | ROBESON F. T | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 4974 | ROBEY, WAYNE | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 4975 | ROBICHAUX | Lafourche Parish, LA | Oil & Gas Property | Dec 2024 |
| 4976 | ROBIDOUX | Moffat County, CO | Gas Property | Feb 2015 |
| 4977 | ROBIL UNIT | Summit County, OH | Oil & Gas Property | Dec 2013 |
| 4978 | ROBIN | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 4979 | ROBIN | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 4980 | ROBIN 148-92-23B-24H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 4981 | ROBIN 7/6 | Ellis County, OK | Oil & Gas Property | Feb 2026 |
| 4982 | ROBIN 8 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 4983 | ROBIN 9 | Weld County, CO | Oil & Gas Property | Feb 2026 |
| 4984 | ROBIN FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 4985 | ROBIN HOOD | Texas County, OK | Oil & Gas Property | Feb 2026 |
| 4986 | ROBIN LAND COMPANY | Boone County, WV | Oil & Gas Property | May 2012 |
| 4987 | ROBIN LEA | Ellis County, OK | Oil & Gas Property | Feb 2026 |
| 4988 | ROBIN LYNN ROSSI | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 4989 | ROBIN USA 1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 4990 | ROBINETT | Comanche County, TX | Oil & Gas Property | Feb 2026 |
| 4991 | ROBINETTE 210129 | Monroe County, OH | Gas Property | Mar 2026 |
| 4992 | ROBINETTE J. C | Hidalgo County, TX | Oil & Gas Property | Apr 2016 |
| 4993 | ROBINHILL | Washington County, PA | Oil & Gas Property | Mar 2026 |
| 4994 | ROBINS | Guernsey County, OH | Oil Property | Dec 2012 |
| 4995 | ROBINSON | Caddo Parish, LA | Oil Property | Jan 2025 |
| 4996 | ROBINSON | Dickens County, TX | Oil & Gas Property | Mar 2026 |
| 4997 | ROBINSON | Bee County, TX | Oil & Gas Property | Mar 2026 |
| 4998 | ROBINSON | Crook County, WY | Oil Property | Apr 2026 |
| 4999 | ROBINSON | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 5000 | ROBINSON | Doddridge County, WV | Oil & Gas Property | Dec 2021 |