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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Western Gas Resources Inc | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Jun 2004 |
| Western Interior Energy Inc. | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Dec 2016 |
| Western Operating Company | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Aug 2025 |
| Westgate Oil Co | Colorado | 516 BBLs | 0 MCF | Jan 1999 - Oct 2025 |
| Wexpro Company | Colorado | 1,516 BBLs | 229,108 MCF | Jan 1999 - Sep 2025 |
| Wexpro Development Company | Colorado | 0 BBLs | 174 MCF | Jan 1999 - Sep 2025 |
| Weyerman* Ralph & Beverly | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Dec 2017 |
| White River Development Company LLC | Colorado | 0 BBLs | 0 MCF | Sep 2001 - Nov 2019 |
| Wiepking-Fullerton Energy LLC | Colorado | 6,277 BBLs | 4,667 MCF | Jan 1999 - Sep 2025 |
| Williford Energy Company | Colorado | 358 BBLs | 107 MCF | Jan 1999 - Sep 2025 |
| Williford Resources, L.L.C. | Colorado | 0 BBLs | 0 MCF | Jan 1999 - May 2025 |
| Windsor Energy Group LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Jan 2017 |
| Wise* Wayne L | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Dec 2023 |
| Wme Yates LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Dec 2023 |
| Wold Oil Properties Inc | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Sep 2010 |
| Wolverine Resources LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Jan 2024 |
| Woodard* Sandra K | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Jul 2024 |
| Woodbury Resources LLC | Colorado | 0 BBLs | 0 MCF | Nov 2008 - Apr 2024 |
| WPX Energy Rocky Mountain LLC | Colorado | 52,631 BBLs | 15,751,673 MCF | Jan 1999 - Oct 2025 |
| WPX Energy Ryan Gulch LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Nov 2013 |
| Wy Woodland Operating LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Nov 2021 |
| Wyman* Louis M Dba Wyman Inc | Colorado | 84 BBLs | 81 MCF | Jan 1999 - Oct 2025 |
| Wynn Crosby Operating LTD | Colorado | 0 BBLs | 0 MCF | Jul 2001 - Feb 2012 |
| X Field Gas LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Jun 2020 |
| Xog Operating LLC | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Apr 2021 |
| XTO Energy Inc | Colorado | 0 BBLs | 0 MCF | Jan 1999 - Nov 2022 |