| 5001 | WRIGHT | Washington County, CO | Oil & Gas Property | Feb 2024 |
| 5002 | WRIGHT | Washington County, CO | Oil Property | Jan 2024 |
| 5003 | WRIGHT, CASTEEL AND SMALLWOOD SG | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 5004 | WRIGHT,SMALLWOOD CASTEEL SG | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 5005 | WRITEBOL | Logan County, CO | Oil & Gas Property | Feb 2024 |
| 5006 | WS-MAGNOLIA 3-5-5 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5007 | WS-SANITATION | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5008 | WS-SUNRISE | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5009 | WUERTZ 12 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5010 | WYMAN | Adams County, CO | Oil & Gas Property | Feb 2018 |
| 5011 | WYSCAVER | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 5012 | XCEL | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5013 | XCEL | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 5014 | XENIA WEST | Washington County, CO | Oil & Gas Property | Jan 2024 |
| 5015 | YA 4 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5016 | YA 5 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5017 | YA 6 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5018 | YAKLICH | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 5019 | YAMAGUCHI | Weld County, CO | Oil & Gas Property | May 2020 |
| 5020 | YANKEE FEDERAL | La Plata County, CO | Gas Property | Feb 2024 |
| 5021 | YATER | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 5022 | YB 4 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5023 | YC 4 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5024 | YCO 1 | Yuma County, CO | Gas Property | Feb 2024 |
| 5025 | YD 4 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5026 | YE 6 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5027 | YELLOW 3-64 30-2 | Adams County, CO | Oil & Gas Property | Feb 2024 |
| 5028 | YELLOW CREEK | Rio Blanco County, CO | Oil & Gas Property | Feb 2024 |
| 5029 | YELLOW JACKET | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5030 | YELLOWHAMMER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5031 | YELLOWSTONE | Lincoln County, CO | Oil & Gas Property | Feb 2024 |
| 5032 | YENTER | Logan County, CO | Oil Property | Dec 2013 |
| 5033 | YENTER | Yuma County, CO | Gas Property | Feb 2024 |
| 5034 | YENTER | Yuma County, CO | Oil & Gas Property | Feb 2024 |
| 5035 | YF 3 | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 5036 | YOCAM | Weld County, CO | Oil & Gas Property | Sep 2021 |
| 5037 | YOUBERG | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 5038 | YOUBERG | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 5039 | YOUNG | Washington County, CO | Gas Property | Feb 2024 |
| 5040 | YOUNG | Weld County, CO | Oil & Gas Property | May 2022 |
| 5041 | YOUNG | Washington County, CO | Oil & Gas Property | Jan 2024 |
| 5042 | YOUNG 01N-65W-28 | Weld County, CO | Oil & Gas Property | Dec 2022 |
| 5043 | YOXALL FARMS | Weld County, CO | Oil & Gas Property | Aug 2023 |
| 5044 | YUMA 5 STATE | Yuma County, CO | Gas Property | Feb 2024 |
| 5045 | YUMA COUNTY OIL CO | Yuma County, CO | Gas Property | Feb 2024 |
| 5046 | YWAM | Las Animas County, CO | Gas Property | Feb 2024 |
| 5047 | ZABKA | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 5048 | ZABKA K 2 | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 5049 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 5050 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 5051 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 5052 | ZARLENGO | Adams County, CO | Oil & Gas Property | Mar 2024 |
| 5053 | ZARLENGO | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 5054 | ZEEK | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 5055 | ZEILER | Weld County, CO | Oil & Gas Property | Aug 2023 |
| 5056 | ZELDA 25 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5057 | ZELLITTI | La Plata County, CO | Gas Property | Feb 2024 |
| 5058 | ZIEGLER | Logan County, CO | Oil & Gas Property | Feb 2024 |
| 5059 | ZIEMER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5060 | ZIMMERMAN | Weld County, CO | Oil & Gas Property | Feb 2022 |
| 5061 | ZIMMERMAN 33 | Garfield County, CO | Oil & Gas Property | Jan 2024 |
| 5062 | ZIMMERMAN/CHAMBERLIN 1 | Moffat County, CO | Oil & Gas Property | Feb 2024 |
| 5063 | ZION | Yuma County, CO | Gas Property | Feb 2024 |
| 5064 | ZISCH | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 5065 | ZUEGE | Yuma County, CO | Gas Property | Feb 2024 |
| 5066 | ZWIRN | Yuma County, CO | Gas Property | Feb 2024 |
| 5067 | ZWIRN | Yuma County, CO | Gas Property | Feb 2024 |