| 4701 | THORNTON | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4702 | THOROUGHMAN | Las Animas County, CO | Gas Property | Jan 2025 |
| 4703 | THRALL-USX AA 19 | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 4704 | THRONDSON | Boulder County, CO | Oil & Gas Property | Jul 2022 |
| 4705 | THUNDER | Rio Blanco County, CO | Gas Property | Jan 2025 |
| 4706 | THUNDER | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4707 | THUNDER 5-64 15-16-1CHZ | Arapahoe County, CO | Oil & Gas Property | Jan 2025 |
| 4708 | THUNDERHEAD USX AB 25-99HZ | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4709 | TIBERIUS 4-64 8-7 | Arapahoe County, CO | Oil & Gas Property | Jan 2025 |
| 4710 | TIFFANY | La Plata County, CO | Gas Property | Jan 2025 |
| 4711 | TIGER CUB 13-25 | Las Animas County, CO | Gas Property | Jan 2025 |
| 4712 | TIGGES | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 4713 | TIHEN | Broomfield County, CO | Oil & Gas Property | May 2000 |
| 4714 | TILLMAN BURCH | La Plata County, CO | Gas Property | Jan 2025 |
| 4715 | TIMBRO | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4716 | TIMBRO | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4717 | TIMBRO FED | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 4718 | TIMBRO STATE LD16-6 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4719 | TIMM | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 4720 | TIMMERMAN | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4721 | TIMPE | Morgan County, CO | Oil Property | May 2005 |
| 4722 | TINA LC29-7 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4723 | TINKER | La Plata County, CO | Gas Property | Jan 2025 |
| 4724 | TINKER FEDERAL | La Plata County, CO | Gas Property | Jan 2025 |
| 4725 | TIPPETT | Adams County, CO | Oil & Gas Property | Jan 2025 |
| 4726 | TIPPETT | Adams County, CO | Oil & Gas Property | Jun 2020 |
| 4727 | TIPPING | Garfield County, CO | Oil & Gas Property | Oct 2024 |
| 4728 | TIPTON | Weld County, CO | Oil & Gas Property | Aug 2015 |
| 4729 | TODD | Weld County, CO | Oil & Gas Property | Jun 2018 |
| 4730 | TODD LC25-7 | Weld County, CO | Oil & Gas Property | Apr 2024 |
| 4731 | TOEDTLI | Weld County, CO | Oil & Gas Property | May 2016 |
| 4732 | TOLLWAY LC 24-3 | Adams County, CO | Oil & Gas Property | Jan 2025 |
| 4733 | TOM L. RUSSELL | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4734 | TOMPKINS | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4735 | TONER | Yuma County, CO | Gas Property | Jan 2025 |
| 4736 | TOOL | Weld County, CO | Oil & Gas Property | Dec 2016 |
| 4737 | TOPAZ | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4738 | TORREYS FEDERAL | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4739 | TOTEM | Adams County, CO | Oil & Gas Property | Dec 2007 |
| 4740 | TOWER LD 19 | Adams County, CO | Oil & Gas Property | Jan 2025 |
| 4741 | TOWNSEND | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 4742 | TPR 1 | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4743 | TRACY | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 4744 | TRADE WINDS | Kiowa County, CO | Oil & Gas Property | Jan 2025 |
| 4745 | TRAIL CANYON | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4746 | TRAIL CANYON | La Plata County, CO | Gas Property | Dec 2024 |
| 4747 | TRAIL GULCH UNIT 1090 30-H | Gunnison County, CO | Gas Property | Jan 2025 |
| 4748 | TRAIL RIDGE | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4749 | TRANCO | Rio Blanco County, CO | Oil & Gas Property | Jan 2017 |
| 4750 | TRANT | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4751 | TRAUTMAN FARMS | Yuma County, CO | Gas Property | Jan 2025 |
| 4752 | TRAVIS | Washington County, CO | Oil Property | Jan 2025 |
| 4753 | TREBOR B | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4754 | TRELEAVEN-GOV | Moffat County, CO | Oil & Gas Property | Jan 2025 |
| 4755 | TRI STATE TRUCKING PA | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4756 | TRI-POINTE 1 | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 4757 | TRIANGLE | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 4758 | TRIMAR FARMS 29 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4759 | TRINDLE | Larimer County, CO | Oil & Gas Property | Jan 2025 |
| 4760 | TRINITY | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 4761 | TRIPUCKA STATE LD02-7 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4762 | TRISHA LC29-7 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4763 | TROLLCO | Weld County, CO | Oil & Gas Property | May 2019 |
| 4764 | TROTT | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4765 | TROUDT | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4766 | TROUDT | Weld County, CO | Oil & Gas Property | Nov 2016 |
| 4767 | TROUDT | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4768 | TRUE 12-65 | Weld County, CO | Oil & Gas Property | May 2016 |
| 4769 | TRUE RANCH | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4770 | TRUPP | Adams County, CO | Oil & Gas Property | Aug 2000 |
| 4771 | TSRU | Baca County, CO | Oil & Gas Property | Dec 2019 |
| 4772 | TSUZUKI | Adams County, CO | Oil & Gas Property | Oct 2016 |
| 4773 | TUBBS | La Plata County, CO | Gas Property | Jan 2025 |
| 4774 | TUELL | Yuma County, CO | Gas Property | Jan 2025 |
| 4775 | TUELLAND | Yuma County, CO | Gas Property | Jan 2025 |
| 4776 | TUELLAND | Yuma County, CO | Gas Property | Jan 2025 |
| 4777 | TULA 12 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4778 | TURK BLUE D 19 | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 4779 | TURKEY 16N-27HZ | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4780 | TURKEY SPRINGS | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4781 | TURNER | Logan County, CO | Oil & Gas Property | Jan 2025 |
| 4782 | TURNER | La Plata County, CO | Oil & Gas Property | Nov 2014 |
| 4783 | TURNER SECURITIES A | La Plata County, CO | Gas Property | Jan 2025 |
| 4784 | TUSTIN | Yuma County, CO | Oil & Gas Property | Jan 2025 |
| 4785 | TUTTLE | Kiowa County, CO | Oil & Gas Property | Oct 2017 |
| 4786 | TUTTLE | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 4787 | TWIN BUTTE | Garfield County, CO | Oil & Gas Property | Jan 2022 |
| 4788 | TWIN CORNERS | Boulder County, CO | Oil & Gas Property | Oct 2023 |
| 4789 | TWIN CREEK 1 | Garfield County, CO | Oil & Gas Property | Jan 2025 |
| 4790 | TWO E RANCH | Weld County, CO | Oil & Gas Property | Feb 2021 |
| 4791 | TWOMBLY | Weld County, CO | Oil & Gas Property | Jul 2023 |
| 4792 | TWOMILE | Weld County, CO | Oil & Gas Property | Apr 2022 |
| 4793 | TYLER | Boulder County, CO | Oil & Gas Property | Oct 2020 |
| 4794 | U P 100 X 20 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4795 | U P 12-27 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4796 | U P 14-20 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4797 | U P 25-34 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4798 | U P 3-34 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4799 | U P 69-27 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |
| 4800 | U P 97 X 29 | Rio Blanco County, CO | Oil & Gas Property | Jan 2025 |