| Yorktown H O-10-64691 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 6 | 1.18M | 3.5M | Oct 2025 – Aug 2026 |
| York O-2-8804 | Awp Operating Company only | Redmar (Pettus) | Live Oak | 6 | 792K | 0 | May 2003 – Jul 2026 |
| York, W. A. 13 O-5-1214 | Basa Resources, Inc. only | Van | Van Zandt | 11 | 734K | 389K | by Jan 1993 – Aug 2026 |
| Yorktown O-10-64664 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 5 | 640K | 2.77M | Sep 2025 – Aug 2026 |
| York-Law 139D O-10-58343 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 599K | 899K | Mar 2023 – Aug 2026 |
| York-Law 139B O-10-58283 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 530K | 774K | Mar 2023 – Aug 2026 |
| York-Law 139A O-10-58267 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 482K | 1.03M | Mar 2023 – Aug 2026 |
| York, W. A. 13 O-5-3169 | Basa Resources, Inc. only | Van (Austin Chalk) | Van Zandt | 11 | 477K | 1.04M | by Jan 1993 – Aug 2026 |
| York-Law 139H O-10-58324 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 430K | 779K | Apr 2023 – Aug 2026 |
| Yorktown State 55-4-38 Unit G-10-283586 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 421K | 3.19M | Feb 2018 – Aug 2026 |
| York-Law 139C O-10-58290 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 401K | 477K | Mar 2023 – Aug 2026 |
| York-Law 139E O-10-58418 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 391K | 837K | Apr 2023 – Aug 2026 |
| York-Law 139F O-10-58409 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 382K | 719K | Apr 2023 – Aug 2026 |
| York-Law 139G O-10-58345 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 371K | 571K | Apr 2023 – Aug 2026 |
| Yorktown State 55-4-38 Unit G-10-290239 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 361K | 1.47M | Jun 2020 – Aug 2026 |
| York O-10-14233 | Cross Cut Petroleum, LLC only | Turner-Gregory (Clear Fork) | Mitchell | 19 | 321K | 21 | by Jan 1993 – Aug 2026 |
| Yorktown G O-10-64590 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 263K | 812K | Oct 2025 – Aug 2026 |
| York State 33 1H G-10-290254 | Perun Energy LLC only | Phantom (Wolfcamp) | Reeves | 1 | 259K | 3.06M | Jan 2019 – Jul 2026 |
| Yorktown E O-10-64613 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 257K | 1.15M | Oct 2025 – Aug 2026 |
| Yorktown State 55-4-38 Unit G-10-290236 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 246K | 1.33M | Jun 2020 – Aug 2026 |
| York O-2-10728 | Awp Operating Company only | Spring Creek, N. (Hockley -C-) | Live Oak | 4 | 236K | 20.1K | Aug 2013 – Jul 2026 |
| Yorktown State 55-4-38 Unit G-10-290235 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 236K | 1.65M | Jun 2020 – Aug 2026 |
| Gary, J. B. Est. Etal -B- O-3-550 | York E & P, LLC only | Boling, South | Wharton | 3 | 231K | 11.1K | by Jan 1993 – Mar 2025 |
| York, R. L. -B- O-10-8232 | R2Q Operating LLC only | York (Ellenburger) | Ector | 5 | 212K | 231K | by Jan 1993 – Apr 2020 |
| York O-8-15270 | Pop Operating Company only | Judy Gail (Canyon Sand) | Fisher | 10 | 188K | 130K | by Jan 1993 – May 2020 |
| York, Ella 102 O-5-1136 | Union Oil Company of California only | Van | Van Zandt | 12 | 179K | 76.7K | by Jan 1993 – May 2014 |
| Yorktown F O-10-64588 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 178K | 667K | Sep 2025 – Aug 2026 |
| York 'A' O-3-22021 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 145K | 164K | by Jan 1993 – Aug 2026 |
| Parr O-1-8546 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 8 | 135K | 62 | by Jan 1993 – Aug 2026 |
| York O-3-21506 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 131K | 179K | by Jan 1993 – Aug 2026 |
| York, J. F. Tr. #2 O-10-7290 | Two P Partners, LLC only | Ward, South | Ward | 6 | 118K | 49.2K | by Jan 1993 – Aug 2026 |
| York, Jack B. O-6-5611 | Fair Oil, Ltd. only | Fender (Rodessa, Upper) | Smith | 1 | 118K | 10.4K | by Jan 1993 – Jul 2016 |
| Yorktown State Unit G-10-302059 | Alchemist Energy, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 116K | 630K | Feb 2026 – Aug 2026 |
| York, J. F. Tr. #3 O-10-7291 | Two P Partners, LLC only | Ward, South | Ward | 11 | 112K | 68.8K | by Jan 1993 – Aug 2026 |
| York, J. F. Tr. #1 O-10-7289 | Two P Partners, LLC only | Ward, South | Ward | 9 | 112K | 76K | by Jan 1993 – Oct 2019 |
| York, Ella -102- O-5-3270 | Basa Resources, Inc. only | Van (Austin Chalk) | Van Zandt | 9 | 110K | 201K | by Jan 1993 – Oct 2013 |
| Prince-York O-10-24941 | Two P Partners, LLC only | Ward, South | Ward | 2 | 108K | 30.7K | by Jan 1993 – Aug 2026 |
| York O-5-3671 | Chanze Oil Co., Inc. only | Van (Carlisle) | Van Zandt | 1 | 107K | 166K | Jun 1999 – Nov 2017 |
| Yorktown G-2-292819 | Rosewood Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 103K | 3.86M | Jul 2022 – Aug 2026 |
| Yorktown G-2-292820 | Rosewood Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 103K | 3.92M | Jul 2022 – Aug 2026 |
| Yorktown G-2-292818 | Rosewood Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 76.4K | 3.61M | Jul 2022 – Aug 2026 |
| Yorktown G-2-292802 | Rosewood Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 67.5K | 3.59M | Jul 2022 – Aug 2026 |
| New York City Storage Unit G-13-21556 | Atmos Pipeline - Texas only | New York City (Miss.-Storage) | Clay | 1 | 67K | 23.3K | by Jan 1993 – Mar 2008 |
| York G-3-271375 | Buffco Production Inc. only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 66.8K | 224K | Apr 2013 – Dec 2021 |
| Ector 'BF' Fee O-10-34397 | Diamond S Energy Company only | York (Grayburg) | Ector | 4 | 65.1K | 326K | Jan 1995 – Jul 2026 |
| Johnston & Parr Unit O-1-10127 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 5 | 61.1K | 60 | by Jan 1993 – Aug 2026 |
| York, J. F. O-10-20078 | Two P Partners, LLC only | Ward, S. (Glorieta 4550) | Ward | 1 | 58K | 27K | by Jan 1993 – Aug 2026 |
| Johnston, Joe H. O-1-9193 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 8 | 57.9K | 815 | by Jan 1993 – Aug 2026 |
| Kulawik G-2-177060 | P1 Energy, LLC only | Yorktown (Wilcox 11,000 Lo.) | De Witt | 1 | 52K | 5.32M | Dec 1999 – Jun 2023 |
| Prewett, Marshall G-2-125785 | Virtex Operating Company, Inc. only | Yorktown, South (Wilcox 9930) | De Witt | 1 | 46.5K | 506K | by Jan 1993 – Jul 2013 |