| Duval Ranch, Sec. #288 O-4-452 | McGowan Working Partners, Inc. only | Charamousca, South | Duval | 20 | 854K | 168K | Jan 1993 – Apr 2026 |
| Duval Ranch -59- O-4-1138 | Killam Oil Co., Ltd. only | Govt. Wells, South | Duval | 21 | 798K | 21 | Jan 1993 – Apr 2026 |
| UV O-10-23906 | Diamondback E&P LLC only | RK (Devonian) | Martin | 3 | 621K | 77 | Jan 1993 – Jan 2021 |
| Big Mineral Creek (UV Sand) Unit O-13-31699 | Flintlock Exploration, LLC only | Big Mineral Creek (UV Sand Unit) | Grayson | 31 | 548K | 1.7M | Sep 2010 – Apr 2026 |
| Duval Ranch Sec. 62 O-4-2874 | Dewbre, Jerry C., Trustee only | Seventy-Six, West | Duval | 28 | 508K | 21 | Jan 1993 – Apr 2026 |
| Fluvanna (Mississippian) Unit O-11-71325 | Browning Oil Company, Inc. only | Fluvanna | Borden | 3 | 499K | 529K | Oct 2022 – Apr 2026 |
| Duval Ranch, Sec. # 257 a/C 1 O-4-1702 | Killam Oil Co., Ltd. only | Lundell (Pettus) | Duval | 6 | 477K | 19.1K | Jan 1993 – Jan 2026 |
| Duval County Ranch Co. O-4-425 | Hinds Petroleum, LLC only | Casa Blanca | Duval | 34 | 463K | 1.35K | Jan 1993 – Dec 2024 |
| BP Country Boy O-3-26145 | Davis Southern Operating Co LLC only | Theuvenins Creek, SE. (5950) | Tyler | 2 | 406K | 101K | Jan 2013 – Apr 2026 |
| Fluvanna (Mississippian) Unit O-11-65515 | Stephens & Johnson Operating Co. only | Fluvanna | Borden | 14 | 286K | 33.3K | Jan 1993 – Apr 2026 |
| BP Jr G-3-270664 | Davis Southern Operating Co LLC only | Theuvenins Creek, S. (Yegua 5TH) | Tyler | 1 | 266K | 232K | May 2013 – Apr 2026 |
| Duval County Ranch Co. -K- O-4-6866 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 2 Seg C) | Duval | 14 | 266K | 344K | Jan 1993 – Apr 2026 |
| Duval County Ranch Co. O-4-6478 | Cordele Development Corporation only | Neely, East (1150) | Duval | 9 | 239K | 173 | Jan 1993 – Mar 2026 |
| Lanham, Florence "536" O-11-1414 | Stephens & Johnson Operating Co. only | Fluvanna (Strawn) | Borden | 5 | 234K | 13K | Jan 1993 – Apr 2026 |
| Fswsu O-11-61565 | Element Petroleum Operating IV, only | Fluvanna, SW. (Strawn, Upper) | Borden | 25 | 218K | 210K | Jan 1993 – Apr 2026 |
| Miller -521- O-11-67815 | Bridwell Oil Co. only | Fluvanna, SW. (Spraberry) | Borden | 1 | 208K | 32K | Sep 1997 – Apr 2026 |
| BP Sittin on GO O-3-26148 | Davis Southern Operating Co LLC only | Theuvenins Creek (Yegua 5TH) | Tyler | 1 | 205K | 52.7K | Jan 2013 – Apr 2026 |
| Duvon, Nell M. O-4-1561 | Hilcorp Energy Company only | Loma Novia | Duval | 5 | 204K | 20 | Jan 1993 – Apr 2026 |
| Duval County Ranch Co. -E- O-4-2108 | Production Resources, Inc. only | Piedre Lumbre | Duval | 16 | 182K | 21 | Jan 1993 – Sep 2024 |
| Jones, C. D. "580" O-11-1390 | Stephens & Johnson Operating Co. only | Fluvanna | Borden | 5 | 176K | 5.3K | May 2002 – Mar 2026 |
| Duval County Ranch Co. -K- O-4-7036 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 3) | Duval | 6 | 171K | 163K | Jun 1994 – Feb 2017 |
| Duval Co. Ranch Co. -A- O-4-423 | Hilcorp Energy Company only | Casa Blanca | Duval | 6 | 159K | 111 | Jan 1993 – Apr 2026 |
| Kirby-McInnis O-3-13507 | Lucky Lad Energy, LLC only | Theuvenins Creek (Wilcox 8400) | Tyler | 2 | 159K | 7.31K | Jan 1993 – Feb 2026 |
| Jordan, R. H. "598" O-11-11199 | Stephens & Johnson Operating Co. only | Fluvanna (Strawn) | Borden | 2 | 157K | 9.19K | Jan 1993 – Apr 2026 |
| Beaver O-11-66614 | Quatro Oil and Gas, Inc. only | Fluvanna, SE. (Strawn) | Scurry | 1 | 155K | 1.42K | Jan 1993 – Apr 2007 |
| Mann, W.C. (South) O-4-12560 | Duval Maple Leaf I, Inc. only | Edr (Cole) | Duval | 3 | 147K | 30.6K | Apr 1996 – May 2016 |
| Duval County Ranch Co. State -P- O-4-1655 | Caribbean Energy LLC II only | Lopez, North (Lopez) | Duval | 9 | 138K | 20 | Jan 1993 – Oct 2024 |
| Magnolia-Duval Ranch Sec. 208-09 O-4-1083 | Killam Oil Co., Ltd. only | Govt. Wells, N. | Duval | 7 | 135K | 57 | Jan 1993 – Apr 2026 |
| Duval Ranch Sec. 203 O-4-8921 | Killam Oil Co., Ltd. only | Petrox, N. (Frio 1250) | Duval | 5 | 134K | 57 | Jan 1993 – Apr 2026 |
| Duval Co. Ranch Co.-State -L- O-4-557 | Caribbean Energy LLC II only | Colmena | Duval | 36 | 133K | 20 | Jan 1993 – Apr 2026 |
| Duval Co. Ranch Co. -C- O-4-1654 | Caribbean Energy LLC II only | Lopez, North (Lopez) | Duval | 3 | 130K | 20 | Jan 1993 – Apr 2026 |
| Big Mineral Creek (UV Sand) Unit O-13-30897 | Blackwell BMC, LLC only | Big Mineral Creek (Consolidated) | Grayson | 21 | 127K | 315K | Jan 2008 – Sep 2010 |
| Bishop Duval Land Co., NCT-1 O-4-1151 | Hilcorp Energy Company only | Govt. Wells, South | Duval | 5 | 124K | 19 | Jan 1993 – Mar 2024 |
| BP Sittin on GO G-3-278288 | Davis Southern Operating Co LLC only | Theuvenins Creek (Yegua 2ND) | Tyler | 1 | 124K | 189K | Feb 2014 – May 2024 |
| Sr Altuve G-1-286600 | Crescent Energy Operating, LLC only | A.W.P. (Olmos) | La Salle | 1 | 116K | 1.09M | Feb 2019 – Apr 2026 |
| Duval Ranch, Sec. #203 O-4-2114 | Killam Oil Co., Ltd. only | Piedre Lumbre | Duval | 14 | 115K | 69 | Jan 1993 – Apr 2026 |
| Duval County Ranch Company -J- O-4-3480 | Karper Oil & Gas Corporation only | Dejay (Chernosky) | Duval | 1 | 114K | 21 | Jan 1993 – Feb 2026 |
| Duval County Ranch Co. O-4-6283 | Cordele Development Corporation only | Neely, East ( 600 -A-) | Duval | 6 | 112K | 170 | Jan 1993 – Mar 2026 |
| Mathis, W. F. "537" O-11-1416 | Stephens & Johnson Operating Co. only | Fluvanna (Strawn) | Scurry | 5 | 109K | 14.2K | Jan 1993 – Apr 2026 |
| Kirby-McInnis O-3-12858 | Lucky Lad Energy, LLC only | Theuvenins Creek (Yegua 1 -D) | Tyler | 1 | 106K | 3.18K | Jan 1993 – Feb 2026 |
| Duval Co. Ranch Co. -D- O-4-556 | Caribbean Energy LLC II only | Colmena | Duval | 11 | 102K | 20 | Jan 1993 – Apr 2026 |
| Duval County Ranch Co. -B- O-4-1097 | Hilcorp Energy Company only | Govt. Wells, N. | Duval | 7 | 99.1K | 21 | Jan 1993 – Apr 2026 |
| Shannon Estate UV-17 O-9-18680 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Crockett | 1 | 92.7K | 846K | Apr 2014 – Feb 2020 |
| Marley, G. H. "A" O-11-14629 | Legacy Reserves Operating LP only | Fluvanna, NE. (Strawn) | Scurry | 1 | 92.6K | 12.4K | Jan 1993 – May 2013 |
| Duval County Ranch Co. O-4-6284 | Cordele Development Corporation only | Neely, East ( 600 -B-) | Duval | 5 | 91.5K | 173 | Jan 1993 – Mar 2026 |
| Duval Ranch, Sec. #201, a/C 2 O-4-2113 | Southwest Royalties, Inc. only | Piedre Lumbre | Duval | 2 | 91K | 21 | Jan 1993 – Apr 2017 |
| Parks "672" O-11-62268 | Q Natural Resources, LLC only | Fluvanna, SW. (Ellen.) | Borden | 1 | 89.8K | 7.13K | Jan 1993 – Apr 2026 |
| Humble-Duval Ranch Sec 204 O-4-11211 | Southwest Royalties, Inc. only | Petrox (Government Wells) | Duval | 4 | 89.2K | 34.3K | Jan 1993 – Jun 2006 |
| Duval Ranch, Sec. #58 O-4-1696 | Dewbre, Jerry C., Trustee only | Lundell | Duval | 9 | 88.9K | 21 | Jan 1993 – Apr 2026 |
| Duval Ranch -D- O-4-1093 | Hilcorp Energy Company only | Govt. Wells, N. | Duval | 4 | 87.6K | 152 | Jan 1993 – Feb 2026 |