| Heard, Fannie V. W., Mrs. O-2-2586 | Hilcorp Energy Company only | Tom Oconnor (5500 Sand) | Refugio | 60 | 2.28M | 1.64M | Jan 1993 – Apr 2026 |
| Heard, Fannie V. W., Mrs. O-2-2546 | Hilcorp Energy Company only | Tom Oconnor (4500 Greta Mass.) | Refugio | 46 | 2.17M | 929K | Jan 1993 – Apr 2026 |
| Annie Trial et Al O-2-11336 | Magnolia Oil & Gas Operating LLC only | Eagleville (Eagle Ford-2) | Karnes | 6 | 2.13M | 3.77M | Mar 2017 – Apr 2026 |
| Heard, Fannie, V. W., Mrs. O-2-2874 | Hilcorp Energy Company only | Tom Oconnor (5900 Sand) | Refugio | 43 | 1.63M | 1.67M | Jan 1993 – Aug 2023 |
| Annie Unit O-1-15948 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 7 | 1.4M | 1.98M | Jun 2012 – Apr 2026 |
| Annie Trial et Al O-2-11108 | Magnolia Oil & Gas Operating LLC only | Sugarkane (Austin Chalk) | Karnes | 3 | 1.39M | 4.8M | Apr 2015 – Apr 2026 |
| Baldwin, Fannie O-10-24035 | Diamondback E&P LLC only | RK (Devonian) | Martin | 3 | 1.2M | 75.7K | Jan 1993 – May 2020 |
| Smith, Fannie O-7-7613 | Basa Resources, Inc. only | East Texas | Gregg | 14 | 1.14M | 461K | Jan 1993 – Apr 2026 |
| Reilly, Annie, et Vir O-2-2588 | Hilcorp Energy Company only | Tom Oconnor (5500 Sand) | Refugio | 15 | 1.07M | 997K | Jan 1993 – Apr 2026 |
| Heard, Fannie V. W. O-2-3977 | Dorchester Operating Company LLC only | Greta (4400) | Refugio | 11 | 887K | 965K | Jan 1993 – Apr 2026 |
| Annie Oakley SB 4231A O-10-63018 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 4 | 810K | 1.09M | May 2025 – Mar 2026 |
| Miller, Annie "A" O-11-16457 | Hilcorp Energy Company only | Wasson (Wichita Albany) | Yoakum | 12 | 765K | 453K | Jan 1993 – Apr 2026 |
| Annie Oakley E O-10-58322 | SM Energy Company only | Spraberry (Trend Area) | Howard | 3 | 697K | 1.79M | Jul 2023 – Apr 2026 |
| Barron O-11-68235 | Huntington Energy, L.L.C. only | Nannie May (Wolfcamp) | Yoakum | 5 | 657K | 845K | Sep 2000 – Apr 2026 |
| Kendra - Annie 4 O-10-46160 | Apache Corporation only | Spraberry (Trend Area) | Midland | 2 | 625K | 901K | Nov 2014 – Apr 2026 |
| Annie Oakley SB 4231B O-10-62914 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 4 | 624K | 950K | May 2025 – Mar 2026 |
| Oneal-Annie 15H O-10-60439 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 592K | 1.17M | Mar 2024 – Apr 2026 |
| Oneal-Annie 15P O-10-60509 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 591K | 1.02M | Mar 2024 – Apr 2026 |
| Kendra - Annie 3 O-10-46421 | Apache Corporation only | Spraberry (Trend Area) | Midland | 2 | 581K | 1.03M | Nov 2014 – Apr 2026 |
| Oneal-Annie 15K O-10-60388 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 550K | 1.15M | Mar 2024 – Apr 2026 |
| Kendra-Annie 10 O-10-47916 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 535K | 932K | Apr 2016 – Apr 2026 |
| Armstrong, Annie "B" O-11-66157 | Apache Corporation only | Emerald (Silurian) | Yoakum | 1 | 510K | 11K | Jan 1993 – Jan 2009 |
| Reilly, Annie, et Vir O-2-2877 | Hilcorp Energy Company only | Tom Oconnor (5900 Sand) | Refugio | 14 | 507K | 470K | Jan 1993 – Apr 2026 |
| Annie Oakley C O-10-58320 | SM Energy Company only | Spraberry (Trend Area) | Howard | 2 | 504K | 1.13M | Jul 2023 – Apr 2026 |
| Kendra-Annie 8 O-10-47347 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 498K | 839K | Sep 2015 – Apr 2026 |
| Oneal-Annie 15M O-10-60601 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 494K | 740K | Mar 2024 – Apr 2026 |
| Johnson, Fannie Mae O-8-27610 | Gunn Oil Company only | Katz (5100) | King | 5 | 494K | 118K | Jun 1995 – Jan 2014 |
| Kendra-Annie 11 O-10-47917 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 447K | 1.05M | Apr 2016 – Apr 2026 |
| Hooper, Fannie -A- O-3-979 | Wheeler Operating Corporation only | Conroe | Montgomery | 11 | 443K | 504K | Jan 1993 – Jun 2025 |
| Annie Oakley B O-10-58319 | SM Energy Company only | Spraberry (Trend Area) | Howard | 2 | 423K | 1.06M | Jul 2023 – Apr 2026 |
| Annie Oakley SB 4231C O-10-62877 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 3 | 404K | 459K | May 2025 – Mar 2026 |
| Annie Oakley A O-10-58318 | SM Energy Company only | Spraberry (Trend Area) | Howard | 1 | 318K | 513K | Jul 2023 – Apr 2026 |
| Heard, Fannie V.W. Mrs. O-2-7813 | Hilcorp Energy Company only | Tom Oconnor (5200, East) | Refugio | 17 | 312K | 705K | Jan 1993 – Apr 2026 |
| Annie Oakley D O-10-58321 | SM Energy Company only | Spraberry (Trend Area) | Howard | 1 | 301K | 691K | Jul 2023 – Apr 2026 |
| Schaefer, Annie S. O-3-5618 | Denbury Onshore, LLC only | Hastings, East | Brazoria | 1 | 297K | 88.3K | Jan 1993 – Apr 2026 |
| Kendra-Annie 12 O-10-49776 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 291K | 930K | Feb 2018 – Apr 2026 |
| Armstrong, Annie O-11-65765 | XTO Energy Inc. only | Wasson 72 | Yoakum | 2 | 271K | 104K | Jul 1993 – Jul 2023 |
| Kendra-Annie 9 O-10-49832 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 249K | 476K | Feb 2018 – Apr 2026 |
| Annie O-10-41759 | Apache Corporation only | Spraberry (Trend Area) | Midland | 12 | 242K | 323K | Aug 2011 – Oct 2020 |
| Oneal-Annie 15O O-10-60845 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 229K | 520K | Mar 2024 – Apr 2026 |
| Oneal-Annie 15G O-10-60504 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 227K | 633K | Mar 2024 – Apr 2026 |
| Kendra - Annie 2 O-10-46214 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 221K | 465K | Feb 2014 – Apr 2026 |
| Martin, Annie O-11-61323 | Burk Royalty Co., Ltd. only | Dorward | Scurry | 27 | 220K | 8.44K | Jan 1993 – Apr 2026 |
| Kendra-Annie O-10-45198 | Apache Corporation only | Spraberry (Trend Area) | Midland | 1 | 217K | 427K | Feb 2014 – Mar 2026 |
| Oneal-Annie 15J O-10-60641 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 213K | 399K | Mar 2024 – Apr 2026 |
| Nannie May O-11-70119 | Hilcorp Energy Company only | Nannie May (Wolfcamp) | Yoakum | 1 | 213K | 248K | May 2013 – Apr 2026 |
| Williams-Mabry O-11-16268 | Stanolind Permian LLC only | Nannie May (Wolfcamp) | Yoakum | 1 | 206K | 4.66K | Jan 1993 – Apr 2026 |
| Miller, Annie "B" O-11-15304 | Hilcorp Energy Company only | Wasson (Wichita Albany) | Yoakum | 4 | 183K | 252K | Jan 1993 – Apr 2020 |
| Wilson, Fannie "39" O-10-38048 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 4 | 163K | 322K | Nov 2006 – Apr 2026 |
| Elliott O-11-69244 | Huntington Energy, L.L.C. only | Nannie May (Wolfcamp) | Yoakum | 2 | 163K | 48.5K | Jul 2008 – Apr 2026 |