| Helen O-11-68122 | R3 Operating Corporation only | Kingdom (Clearfork 7500) | Terry | 19 | 2.2M | 202K | Sep 1999 – Jul 2026 |
| Helen Crump B O-10-39936 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 8 | 1M | 4.09M | Dec 2009 – Jul 2026 |
| Matthew-Kuester O-2-676 | Olipdp II, LLC only | Helen Gohlke ( Wilcox) | De Witt | 10 | 629K | 206K | Jan 1993 – Jul 2026 |
| St. Helens 75-32 Unit O-10-53522 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 623K | 853K | Apr 2019 – Jul 2026 |
| Helen Unit O-2-10521 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 2 | 423K | 901K | May 2013 – Jul 2026 |
| Pritchard, Helen -A- O-7-8277 | Linder, John Operating Co., LLC only | East Texas | Gregg | 15 | 232K | 143K | Jan 1993 – Jul 2026 |
| Sweeney, Helen O.,mrs O-13-29600 | BLS Production Co., Inc. only | Big Mineral Creek (Consolidated) | Grayson | 5 | 201K | 55.1K | Dec 1998 – Jul 2026 |
| Thomas, Helen O-11-66330 | Shenandoah Petroleum Corporation only | Two Scotts (Glorieta) | Garza | 2 | 186K | 73.1K | Jan 1993 – Jul 2026 |
| Helene O-3-17464 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 150K | 2.65M | Jan 1993 – Jul 2026 |
| Mary Helen Unit O-3-14976 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 5 | 141K | 1.92M | Jan 1993 – Jul 2026 |
| Helen O-13-33882 | Jetta Operating Company, Inc. only | Southmayd, North (Baker-Viola) | Grayson | 1 | 98.8K | 264K | Mar 2019 – Jul 2026 |
| Helen Crump O-10-38775 | Devon Energy Production Co, L.P. only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 92.7K | 74.8K | Jan 2008 – Dec 2009 |
| Rosenfelder O-2-9334 | Lucky Lad Energy, LLC only | Helen Gohlke ( Wilcox) | De Witt | 1 | 86.1K | 0 | Jun 2009 – Jul 2026 |
| Cunningham, Helen "B" O-11-62652 | Citation Oil & Gas Corp. only | Robertson, N. (Clear Fork 7100) | Gaines | 5 | 78.6K | 41.6K | Jan 1993 – Jul 2026 |
| Mary Helen O-10-45669 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 2 | 77.3K | 1.2M | Sep 2014 – Jul 2026 |
| Gohlke Heirs -A- O-2-671 | Lucky Lad Energy, LLC only | Helen Gohlke ( Wilcox) | De Witt | 5 | 75.8K | 141K | Jan 1993 – Jul 2026 |
| Helen O-11-67799 | R3 Operating Corporation only | Slaughter (Clear Fork 7190) | Terry | 1 | 70.6K | 3.73K | Feb 1997 – Jul 2026 |
| Helen #1 Unit O-3-11984 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 69K | 241K | Jan 1993 – Jul 2026 |
| Gohlke Heirs -B- O-2-672 | Cube Energy Group TX, Inc. only | Helen Gohlke ( Wilcox) | De Witt | 2 | 63.2K | 137K | Jan 1993 – Jul 2026 |
| Henley, Helen S. O-13-4257 | Bridwell Oil Co. only | Montague County Regular | Montague | 5 | 62.6K | 21 | Jan 1993 – Jul 2026 |
| Pierce, Helen H., /Fee/ O-5-1390 | Corsicana Crude Company, LLC only | Corsicana (Shallow) | Navarro | 15 | 56.5K | 20 | Jan 1993 – Jul 2026 |
| Sweeney, Helen O., Mrs. -A- O-13-29601 | BLS Production Co., Inc. only | Big Mineral Creek (Consolidated) | — | 1 | 54.5K | 15.3K | Dec 1998 – Feb 2026 |
| Friar, A. O-2-7412 | Field Petroleum Corp. only | Helen Gohlke, W. (B-1 Sd.) | Victoria | 1 | 52.7K | 65.2K | Jan 1993 – Jul 2026 |
| Phoebe/Helen RE Unit O-3-23000 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 51.4K | 19.8K | May 1996 – Aug 2022 |
| Sherman, Helen Y. O-6-11267 | Double Eight Oil Company LLC only | Driskell Lake (Rodessa) | Smith | 1 | 51K | 197K | Jan 1993 – Jul 2026 |
| Pritchard, Helen -B- O-7-8278 | Basa Resources, Inc. only | East Texas | — | 6 | 47K | 43.8K | Jan 1993 – Jul 2026 |
| Sweeney, Helen O., Mrs. O-13-2694 | Continental Operating Co. only | Big Mineral Creek (S Sdstn.) | — | 3 | 42K | 13.5K | Jan 1993 – Aug 2003 |
| Cunningham, Helen & Alice O-11-62857 | Dinero Operating Company only | Robertson, N. (Clear Fork 7100) | Gaines | 1 | 41.4K | 21 | Jan 1993 – Sep 2020 |
| William Kuester South O-2-12438 | Field Petroleum Corp. only | Helen Gohlke, W. (Wilcox) | Victoria | 1 | 36.1K | 169K | Mar 2022 – Jul 2026 |
| Kuester, Chas. O-2-633 | Mosaic Oil LLC only | Helen Gohlke, W. (B-1 Sd.) | Victoria | 4 | 35.4K | 304K | Jan 1993 – Jul 2026 |
| Helena O-10-64797 | Ring Energy, Inc. only | Block a-34 (San Andres) | Andrews | 1 | 32.6K | 10.7K | Aug 2025 – Jul 2026 |
| Allen "17" O-10-36207 | Texland Petroleum, L.P. only | Helen Williams (Waddell) | Ward | 2 | 27.8K | 156 | Dec 1999 – Aug 2025 |
| Bendele, Helen, Etal O-1-1720 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 31 | 27.7K | 21 | Jan 1993 – Jul 2026 |
| Helen O-11-63757 | Das Oil Co. L.L.C. only | WTG (Glorieta) | Garza | 2 | 27K | 254 | Jan 1993 – Jul 2026 |
| Friar O-2-11878 | Field Petroleum Corp. only | Helen Gohlke, W. (Wilcox) | Victoria | 1 | 26.6K | 3.46K | Sep 2019 – Jul 2026 |
| Kuester, Charles O-2-8401 | Mosaic Oil LLC only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 25.8K | 196K | Aug 1998 – Jul 2026 |
| Sweeney, Helen O., Mrs. O-13-11641 | Continental Operating Co. only | Big Mineral Creek (Strawn) | — | 1 | 22K | 2.25K | Jan 1993 – Aug 2003 |
| Brown, Sophie G. O-2-6944 | Tejas Operating LLC only | Helen Gohlke, SW. (Wilcox) | Victoria | 1 | 21K | 20 | Jan 1993 – Jul 2026 |
| Gonzales, Mauro Estate O-2-6872 | Devon Louisiana Corporation only | Helen Gohlke, SW. (5740) | Victoria | 2 | 20.9K | 118K | Jan 1993 – Mar 2005 |
| Killgore, Helen O-8-9608 | Lynx Energy Company, Inc. only | Group, W. (Strawn Lime) | — | 1 | 17.8K | 12.9K | Jan 1993 – Mar 2002 |
| Kuester, Chas. O-2-6891 | Remora Management, LLC only | Helen Gohlke, W. (Wilcox) | Victoria | 5 | 17.6K | 27.7K | Jan 1993 – Jul 2026 |
| Hensley, M. G. O-2-669 | Mosaic Oil LLC only | Helen Gohlke ( Wilcox) | — | 1 | 16.1K | 37.9K | Jan 1993 – Jul 2026 |
| Ruschhaupt O-2-8700 | G E Operating, Inc. only | Helen Gohlke, SW. (Yegua 5400) | Victoria | 1 | 15.2K | 204K | Feb 1993 – Sep 2019 |
| Gonzales, Mauro Estate O-2-8151 | Devon Louisiana Corporation only | Helen Gohlke, SW. (Yegua 5370) | Victoria | 2 | 15.2K | 122K | Mar 1996 – Oct 2005 |
| Lyons, Helene W. O-4-7097 | Momentum Production Corp. only | Cameron (Frio 4100) | Starr | 2 | 15.2K | 144 | Jan 1993 – Jul 2026 |
| Helen O-10-25898 | O'Ryan Oil and Gas only | Coahoma, N. (Fussel) | Howard | 1 | 14.4K | 65.8K | Jan 1993 – Jul 2026 |
| Walton, Helen O-1-14391 | Atascosa Exploration, LLC only | Galba (Bartosh) | Atascosa | 1 | 13.1K | 0 | Jul 2002 – Feb 2014 |
| Buchanan, R. T. A O-2-8033 | Heartland Production, Inc. only | Helen Gohlke (5700) | Victoria | 1 | 12.9K | 89.1K | Sep 1994 – Jul 2026 |
| Carpenter, Helen S. O-9-3646 | J Rico Oil, LLC only | Hanson (Grayburg) | — | 3 | 11.2K | 347 | Jan 1993 – Jul 2026 |
| Helen H. Johnson "D" O-8-30595 | 4W Operating, LLC only | Palo Pinto County Regular | Palo Pinto | 1 | 10.5K | 207K | Nov 2010 – Jul 2026 |