| 4701 | SMITH | La Plata County, CO | Gas Property | Dec 2025 |
| 4702 | SMITH 01-20 1 | La Plata County, CO | Gas Property | Nov 2025 |
| 4703 | SMITH 2 | Yuma County, CO | Gas Property | Nov 2025 |
| 4704 | SMITH A 1 | La Plata County, CO | Gas Property | Nov 2025 |
| 4705 | SMITH FEDERAL | La Plata County, CO | Gas Property | Nov 2025 |
| 4706 | SMITH STATE LD12-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4707 | SMITH-WOLTER | La Plata County, CO | Gas Property | Nov 2025 |
| 4708 | SMITS | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 4709 | SNIFF | Bent County, CO | Oil & Gas Property | Nov 2025 |
| 4710 | SNOOK | La Plata County, CO | Gas Property | Nov 2025 |
| 4711 | SNOOKS A | La Plata County, CO | Gas Property | Nov 2025 |
| 4712 | SNOW KING | Lincoln County, CO | Oil & Gas Property | Dec 2025 |
| 4713 | SNOWBIRD | Lincoln County, CO | Oil & Gas Property | Dec 2025 |
| 4714 | SNOWMASS | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4715 | SNYDER | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4716 | SNYDER | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4717 | SO UTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4718 | SO UTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4719 | SO UTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4720 | SO UTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4721 | SO UTE 3 | La Plata County, CO | Gas Property | Nov 2025 |
| 4722 | SO UTE FC 34 | La Plata County, CO | Gas Property | Dec 2025 |
| 4723 | SO.UTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4724 | SO.UTE FC 33-11 1 | La Plata County, CO | Gas Property | Dec 2024 |
| 4725 | SOC STATE 145 | Yuma County, CO | Oil & Gas Property | Nov 2025 |
| 4726 | SOCO 20 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4727 | SOCO 29 | Weld County, CO | Oil & Gas Property | Jan 2020 |
| 4728 | SOEHNER | Yuma County, CO | Gas Property | Nov 2025 |
| 4729 | SOEHNER | Yuma County, CO | Gas Property | Nov 2025 |
| 4730 | SOFTTAIL 44-13 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4731 | SOLAR CRESCENT 23-20 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4732 | SOLDIER CANYON | Garfield County, CO | Gas Property | Dec 2025 |
| 4733 | SOLMAN/CALPHA | Yuma County, CO | Gas Property | Nov 2025 |
| 4734 | SOLVAY CHEMICALS | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4735 | SOLVAY GM | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4736 | SOME-STATE 1 | Logan County, CO | Oil Property | Dec 2025 |
| 4737 | SONIC STAR | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4738 | SOONER | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 4739 | SOOUTHERN UTE 302 | La Plata County, CO | Gas Property | Dec 2025 |
| 4740 | SORENSSON | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 4741 | SORIN NATURAL RESOURCES 2 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4742 | SOSA | Weld County, CO | Oil & Gas Property | May 2018 |
| 4743 | SOURS | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4744 | SOUTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4745 | SOUTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4746 | SOUTE | La Plata County, CO | Gas Property | Nov 2025 |
| 4747 | SOUTE | La Plata County, CO | Oil & Gas Property | Nov 2025 |
| 4748 | SOUTE 32 | La Plata County, CO | Gas Property | Sep 2016 |
| 4749 | SOUTE 32-1 | La Plata County, CO | Gas Property | May 2019 |
| 4750 | SOUTE FC 3 | La Plata County, CO | Gas Property | Nov 2025 |
| 4751 | SOUTE FC 34 | La Plata County, CO | Gas Property | Nov 2025 |
| 4752 | SOUTH 6-2 | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 4753 | SOUTH BAXTER PASS | Garfield County, CO | Gas Property | May 2009 |
| 4754 | SOUTH CANYON-FEDERAL | Garfield County, CO | Oil & Gas Property | Nov 2025 |
| 4755 | SOUTH DOUGLAS CREEK | Rio Blanco County, CO | Gas Property | Nov 2025 |
| 4756 | SOUTH GATE 8-4 | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 4757 | SOUTH LEVERICH 1 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4758 | SOUTH LOST CREEK | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4759 | SOUTH SHALE RIDGE | Mesa County, CO | Gas Property | Dec 2025 |
| 4760 | SOUTHARD | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 4761 | SOUTHERN | La Plata County, CO | Oil & Gas Property | Dec 2025 |
| 4762 | SOUTHERN FC 33-6 6-1 | La Plata County, CO | Gas Property | Nov 2025 |
| 4763 | SOUTHERN U | La Plata County, CO | Oil & Gas Property | Dec 2025 |
| 4764 | SOUTHERN UT | La Plata County, CO | Oil & Gas Property | Dec 2025 |
| 4765 | SOUTHERN UTE | La Plata County, CO | Gas Property | Dec 2025 |
| 4766 | SOUTHERN UTE | La Plata County, CO | Gas Property | Dec 2025 |
| 4767 | SOUTHERN UTE | La Plata County, CO | Oil & Gas Property | Nov 2025 |
| 4768 | SOUTHERN UTE | La Plata County, CO | Gas Property | Dec 2025 |
| 4769 | SOUTHERN UTE 32-9 6-2 | La Plata County, CO | Gas Property | Nov 2025 |
| 4770 | SOUTHERN UTE F.C 34-9 31-9 | La Plata County, CO | Gas Property | Nov 2025 |
| 4771 | SOUTHWEST RANGELY | Rio Blanco County, CO | Gas Property | Jul 2025 |
| 4772 | SOWER FEDERAL | La Plata County, CO | Gas Property | Nov 2025 |
| 4773 | SPADAFORA 1190 20-21 | Gunnison County, CO | Gas Property | Dec 2025 |
| 4774 | SPADE | Weld County, CO | Oil & Gas Property | Jul 2024 |
| 4775 | SPANISH FORK | La Plata County, CO | Gas Property | Nov 2025 |
| 4776 | SPARBOE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4777 | SPARGO | Dolores County, CO | Oil & Gas Property | Jul 2025 |
| 4778 | SPARKS B | La Plata County, CO | Gas Property | Nov 2025 |
| 4779 | SPARROWHAWK 22-12 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4780 | SPATTER | La Plata County, CO | Gas Property | Dec 2025 |
| 4781 | SPAULDING PEAK 1294 2 | Delta County, CO | Oil & Gas Property | Sep 2008 |
| 4782 | SPAULDING, MARGARET | Jackson County, CO | Oil Property | Oct 2013 |
| 4783 | SPAUR | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4784 | SPAUR 31 | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 4785 | SPAUR BROTHERS EH 31 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 4786 | SPAYD | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 4787 | SPEAK FED | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4788 | SPEAKER | Cheyenne County, CO | Oil & Gas Property | Dec 2025 |
| 4789 | SPEAKER | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 4790 | SPECIALTY | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4791 | SPECIALTY RESTAUR | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4792 | SPEED GOAT FED 343 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4793 | SPEEDWAY 41-1 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4794 | SPENCER 21 | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 4795 | SPIKE | Weld County, CO | Oil & Gas Property | Nov 2016 |
| 4796 | SPIKE ST | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 4797 | SPIKE ST | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 4798 | SPIKE ST | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 4799 | SPIKE STATE CC 6 | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 4800 | SPIN DOCTOR 11-25 | Las Animas County, CO | Gas Property | Dec 2025 |