| 5001 | WPX ENERGY R | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5002 | WPX GM | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5003 | WRD COUNTY 25 | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 5004 | WRD FEDERAL | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 5005 | WRD UNIT | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 5006 | WRD WYATT | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 5007 | WRIGHT | Washington County, CO | Oil & Gas Property | May 2026 |
| 5008 | WRIGHT | Washington County, CO | Oil Property | May 2026 |
| 5009 | WRIGHT 33-5 | Archuleta County, CO | Gas Property | May 2026 |
| 5010 | WRIGHT, CASTEEL AND SMALLWOOD SG | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5011 | WRIGHT,SMALLWOOD CASTEEL SG | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5012 | WRITEBOL | Logan County, CO | Oil & Gas Property | Apr 2026 |
| 5013 | WS-SUNRISE | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 5014 | WUERTZ 12 | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 5015 | WYMAN | Adams County, CO | Oil & Gas Property | Jan 2019 |
| 5016 | WYSCAVER | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 5017 | XCEL | Weld County, CO | Oil & Gas Property | May 2026 |
| 5018 | XCEL | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 5019 | XENIA WEST | Washington County, CO | Oil & Gas Property | May 2026 |
| 5020 | YA 4 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5021 | YA 5 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5022 | YA 6 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5023 | YA 7 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5024 | YAKLICH | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 5025 | YAKUTAT | Washington County, CO | Gas Property | Aug 2020 |
| 5026 | YAMAGUCHI | Weld County, CO | Oil & Gas Property | May 2020 |
| 5027 | YANKEE FEDERAL | La Plata County, CO | Gas Property | Apr 2026 |
| 5028 | YATER | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5029 | YB 4 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5030 | YC 4 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5031 | YCO 1 | Yuma County, CO | Gas Property | May 2026 |
| 5032 | YD 4 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5033 | YE 6 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5034 | YELLOW 3-64 30-2 | Adams County, CO | Oil & Gas Property | Apr 2026 |
| 5035 | YELLOW CREEK | Rio Blanco County, CO | Oil & Gas Property | Mar 2026 |
| 5036 | YELLOWHAMMER | Weld County, CO | Oil & Gas Property | May 2026 |
| 5037 | YELLOWSTONE | Lincoln County, CO | Oil & Gas Property | Apr 2026 |
| 5038 | YENTER | Logan County, CO | Oil Property | Dec 2013 |
| 5039 | YENTER | Yuma County, CO | Gas Property | May 2026 |
| 5040 | YENTER | Yuma County, CO | Oil & Gas Property | May 2026 |
| 5041 | YF 3 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5042 | YG 1 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 5043 | YOCAM | Weld County, CO | Oil & Gas Property | Sep 2021 |
| 5044 | YOUBERG | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5045 | YOUBERG | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5046 | YOUNG | Washington County, CO | Gas Property | May 2026 |
| 5047 | YOUNG | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 5048 | YOUNG | Washington County, CO | Oil & Gas Property | Apr 2026 |
| 5049 | YOUNG 01N-65W-28 | Weld County, CO | Oil & Gas Property | Dec 2022 |
| 5050 | YOXALL FARMS | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 5051 | YUMA 5 STATE | Yuma County, CO | Gas Property | May 2026 |
| 5052 | YUMA COUNTY OIL CO | Yuma County, CO | Gas Property | May 2026 |
| 5053 | YWAM | Las Animas County, CO | Gas Property | May 2026 |
| 5054 | ZABKA | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 5055 | ZABKA K 2 | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 5056 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 5057 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 5058 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 5059 | ZARLENGO | Adams County, CO | Oil & Gas Property | Apr 2026 |
| 5060 | ZARLENGO | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 5061 | ZEEK | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 5062 | ZEILER | Weld County, CO | Oil & Gas Property | Aug 2023 |
| 5063 | ZELDA 25 | Weld County, CO | Oil & Gas Property | May 2026 |
| 5064 | ZELLITTI | La Plata County, CO | Gas Property | Apr 2026 |
| 5065 | ZIEGLER | Logan County, CO | Oil & Gas Property | Apr 2026 |
| 5066 | ZIEMER | Weld County, CO | Oil & Gas Property | May 2026 |
| 5067 | ZIMMERMAN | Weld County, CO | Oil & Gas Property | Mar 2021 |
| 5068 | ZIMMERMAN 33 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5069 | ZIMMERMAN/CHAMBERLIN 1 | Moffat County, CO | Oil & Gas Property | May 2026 |
| 5070 | ZION | Yuma County, CO | Gas Property | May 2026 |
| 5071 | ZISCH | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 5072 | ZUEGE | Yuma County, CO | Gas Property | May 2026 |
| 5073 | ZWIRN | Yuma County, CO | Gas Property | May 2026 |
| 5074 | ZWIRN | Yuma County, CO | Gas Property | May 2026 |