| 1 | R C NAUMAN | Adams County, CO | Oil & Gas Property | Nov 2007 |
| 2 | R&R FARMS 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 3 | R. GODSEY | Yuma County, CO | Gas Property | May 2026 |
| 4 | RADEMACHER | Weld County, CO | Oil & Gas Property | May 2026 |
| 5 | RADY 12 | Weld County, CO | Oil & Gas Property | Mar 2015 |
| 6 | RAEL | Weld County, CO | Oil & Gas Property | May 2026 |
| 7 | RAFERT 843 | Phillips County, CO | Gas Property | Sep 2023 |
| 8 | RAFTOPOULOS | Moffat County, CO | Oil & Gas Property | Dec 2018 |
| 9 | RAGAN N 14 | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 10 | RAILAY | Weld County, CO | Oil & Gas Property | Jan 2022 |
| 11 | RAINBOW | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 12 | RAINBOW 9 | Weld County, CO | Oil & Gas Property | May 2026 |
| 13 | RAINDANCE | Weld County, CO | Oil & Gas Property | May 2026 |
| 14 | RALPH | Weld County, CO | Oil & Gas Property | May 2026 |
| 15 | RALPH DOWNING A | La Plata County, CO | Gas Property | May 2026 |
| 16 | RALPH NIX PRODUCE | Weld County, CO | Oil & Gas Property | Apr 2025 |
| 17 | RAM LAND 30 | Weld County, CO | Oil & Gas Property | May 2026 |
| 18 | RAMEN 1423 0 | Weld County, CO | Oil & Gas Property | May 2026 |
| 19 | RAMOS 1 | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 20 | RAMPART A3 | Weld County, CO | Oil & Gas Property | May 2026 |
| 21 | RANCHERO | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 22 | RANCHO WATER VALLEY | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 23 | RANCHVIEW | Weld County, CO | Oil & Gas Property | May 2026 |
| 24 | RANDALL | Adams County, CO | Oil & Gas Property | May 2026 |
| 25 | RANDALL CREEK | Weld County, CO | Oil & Gas Property | May 2026 |
| 26 | RANDLE 33-7-10 | La Plata County, CO | Gas Property | May 2026 |
| 27 | RANGELY SOUTH-FED | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 28 | RANGER 7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 29 | RANGER-FEDERAL | Dolores County, CO | Oil & Gas Property | May 2024 |
| 30 | RAPTOR | Lincoln County, CO | Oil & Gas Property | Apr 2026 |
| 31 | RASBERRY 2-32 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 32 | RASMUSSEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 33 | RATTLER | Weld County, CO | Oil & Gas Property | May 2026 |
| 34 | RATTLESNAKE FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 35 | RAVEN | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 36 | RAVEN (RE-ENTRY) A-5X | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 37 | RAVEN 3 | Yuma County, CO | Gas Property | May 2026 |
| 38 | RAWHIDE FLATS 10-68-1 | Larimer County, CO | Oil & Gas Property | May 2019 |
| 39 | RAY NELSON | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 40 | RAY RANCH 0780 | Jackson County, CO | Oil & Gas Property | Nov 2025 |
| 41 | RAY-GLO | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 42 | RAYGLO A1 | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 43 | RAYMOND | Weld County, CO | Oil & Gas Property | May 2026 |
| 44 | RAYMOND KOON A | La Plata County, CO | Gas Property | May 2026 |
| 45 | RAZOR | Weld County, CO | Oil & Gas Property | May 2026 |
| 46 | RAZOR 12 | Weld County, CO | Oil & Gas Property | May 2026 |
| 47 | RAZOR FEDERAL 12 | Weld County, CO | Oil & Gas Property | May 2026 |
| 48 | RAZOR FEDERAL 26 | Weld County, CO | Oil & Gas Property | May 2026 |
| 49 | RBF 1 | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 50 | REA 18U-03 | La Plata County, CO | Gas Property | May 2026 |
| 51 | REAGAN LD06-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 52 | RECTOR | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 53 | RED CLOUD | Weld County, CO | Oil & Gas Property | May 2026 |
| 54 | RED GIANT | Kiowa County, CO | Oil & Gas Property | Aug 2007 |
| 55 | RED LADY 6-64 4-6 | Elbert County, CO | Oil & Gas Property | May 2026 |
| 56 | RED MOUNTAIN RANCH | Mesa County, CO | Oil & Gas Property | May 2026 |
| 57 | RED ROCKS | Las Animas County, CO | Gas Property | May 2026 |
| 58 | REDIESS | Morgan County, CO | Oil & Gas Property | Sep 2005 |
| 59 | REDSTONE 6-65 24-36 | Elbert County, CO | Oil & Gas Property | May 2026 |
| 60 | REDTAIL BB 33-6 27 | La Plata County, CO | Gas Property | May 2026 |
| 61 | REDTAIL HS 32-6 2 | Archuleta County, CO | Gas Property | May 2026 |
| 62 | REDWIN | Larimer County, CO | Oil & Gas Property | May 2026 |
| 63 | REED 1 | Washington County, CO | Oil Property | May 2026 |
| 64 | REED A | La Plata County, CO | Gas Property | May 2026 |
| 65 | REEMAN | Weld County, CO | Oil & Gas Property | May 2026 |
| 66 | REEMAN | Weld County, CO | Oil & Gas Property | May 2026 |
| 67 | REESE 21 | Weld County, CO | Oil & Gas Property | May 2026 |
| 68 | REEVES | Arapahoe County, CO | Oil & Gas Property | Mar 2018 |
| 69 | REGNIER | Weld County, CO | Oil & Gas Property | May 2026 |
| 70 | REHDER | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 71 | REI 1 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 72 | REI 2 | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 73 | REI 3 | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 74 | REI H | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 75 | REICHERT | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 76 | REICHERT | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 77 | REIGLE | Weld County, CO | Oil & Gas Property | May 2026 |
| 78 | REIN | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 79 | REINERS B | Logan County, CO | Oil Property | Mar 2024 |
| 80 | REINICK | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 81 | REINSCH | La Plata County, CO | Gas Property | May 2026 |
| 82 | RELIANCE E 23 | Weld County, CO | Oil & Gas Property | May 2026 |
| 83 | REMINGTON FEDERAL LC | Weld County, CO | Oil & Gas Property | May 2026 |
| 84 | REMORA LC34-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 85 | RENFROE | Weld County, CO | Oil & Gas Property | Feb 2026 |
| 86 | RENZELMAN | Yuma County, CO | Gas Property | May 2026 |
| 87 | REPPO | Garfield County, CO | Oil & Gas Property | May 2026 |
| 88 | RESERVE 3-65 | Adams County, CO | Oil & Gas Property | May 2026 |
| 89 | RESERVE FEDERAL 3-65 35-34 | Adams County, CO | Oil & Gas Property | May 2026 |
| 90 | RESLER | Washington County, CO | Oil & Gas Property | Feb 2015 |
| 91 | RESOLUTE | Weld County, CO | Oil & Gas Property | May 2026 |
| 92 | RETHERFORD | Montezuma County, CO | Oil & Gas Property | Sep 2012 |
| 93 | REVEILLE A3 | Weld County, CO | Oil & Gas Property | May 2026 |
| 94 | REYNOLDS | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 95 | REYNOLDS | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 96 | REYNOLDS CATTLE | Weld County, CO | Oil & Gas Property | May 2026 |
| 97 | RH FARMS | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 98 | RHINO D 27 | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 99 | RHOADARMER | Weld County, CO | Oil & Gas Property | May 2016 |
| 100 | RHOADES | Cheyenne County, CO | Oil & Gas Property | May 2026 |