| Lareata G-8-203466 | Hess, Jerry Operating Co. | Callahan County Regular (Gas) | 1 | 10.1K | 465K | Aug 2004 – Feb 2025 |
| Dyer "2988" G-8-97136 | Van Operating, Ltd. | Callahan, NE (Congl) | 1 | 8.94K | 1.29M | by Jan 1993 – Sep 2015 |
| Lareata G-8-171482 | Moore, Miles Inc. | Carmen's (Miss.) | 1 | 8.25K | 112K | Dec 1998 – Sep 1999 |
| Simmons G-8-214933 | US. Fuels, Inc. | Callahan County Regular (Gas) | 1 | 7.89K | 73.6K | Dec 2005 – May 2016 |
| Sealy-Smith "121" G-8-125728 | 3 S Production, Inc. | John K. (Gray) | 1 | 7.15K | 273K | by Jan 1993 – Jan 2025 |
| George A G-8-122892 | Charter Petroleum Company | Putnam, West (Duffer) | 1 | 6.92K | 717K | by Jan 1993 – Jun 2024 |
| Windham, James "10" G-8-115127 | Van Operating, Ltd. | Deadman Draw (Congl.) | 1 | 4.89K | 1.67M | by Jan 1993 – Jan 2017 |
| Simmons G-8-175770 | Rock Operating | Tauren (Caddo, Upper) | 1 | 4.63K | 245K | Oct 1999 – May 2016 |
| Dyer "2988" G-8-171327 | Van Operating, Ltd. | Callahan, NE (Congl) | 1 | 4.27K | 221K | Jan 1999 – Mar 2012 |
| Ross,a.c. "110" G-8-114921 | Bacon Energy | Callahan County Regular (Gas) | 1 | 4.09K | 261K | May 1993 – Feb 2012 |
| Black Bass G-8-136798 | Wes-Tex Drlg. Co. | Fishing Hole (Gray) | 1 | 3.97K | 99K | by Jan 1993 – May 1999 |
| North Hatchett B G-8-137615 | Leclair Operating Co., Inc. | M. G. C. (Bend) | 1 | 3.55K | 380K | by Jan 1993 – Nov 2008 |
| Isenhower, John D. G-8-143988 | Pendragon Oil Co. | Dorothy J. (Gray Sand) | 1 | 2.9K | 299K | by Jan 1993 – Mar 2019 |
| Dyer 2988 G-8-282235 | Petex | Callahan, NE (Congl) | 1 | 2.88K | 736K | Mar 2017 – Aug 2026 |
| Stewart G-8-99031 | Rock Operating | Nugent's Nook (Duffer 3850) | 1 | 2.36K | 215K | by Jan 1993 – Jul 2026 |
| Gardner G-8-236818 | Southlake Exploration, Inc. | Mission Mtn. (Duffer) | 1 | 2.23K | 8.98K | Dec 2007 – Aug 2008 |
| Snyder Mineral Trust G-8-79197 | Stovall, Howard | Baird, NE. (Congl.) | 1 | 2.04K | 55.9K | by Jan 1993 – May 2002 |
| Watts, Beulah G-8-121074 | Hess, Jerry Operating Co. | Scranton,nw (Duffer) | 1 | 1.73K | 229K | by Jan 1993 – May 2015 |
| Grider G-8-125554 | Gaylyn, Inc. | Rocky Mountain (Comyn) | 1 | 1.38K | 34.5K | by Jan 1993 – Nov 2006 |
| Foster G-8-100515 | Foster, Randy | Nicholas (Caddo) | 1 | 1.37K | 12.8K | Jan 2000 – Dec 2002 |
| George, Kenneth G-8-201674 | Spence Energy Company | Putnam, N. (Caddo 3250) | 1 | 1.35K | 20.8K | May 2004 – Feb 2011 |
| Montgomery "55" G-8-193387 | Kroh Operating LLC | Margie (Congl) | 1 | 1.23K | 147K | Jan 2003 – Mar 2019 |
| Sealy-Smith G-8-125359 | Delta Hydrocarbons, Inc. | Prematurely (Ellenburger) | 1 | 1.21K | 53.1K | by Jan 1993 – Jul 1997 |
| Bowne "2989" G-8-284467 | Petex | Bowne (Caddo) | 1 | 1.08K | 188K | Jan 2018 – Aug 2026 |
| Berry A G-8-64764 | Smith Pipe of Abilene | Berry (Caddo, Gas) | 1 | 771 | 23.5K | by Jan 1993 – Dec 2000 |
| Pillans G-8-115320 | King Energy Resources | Mis Raizes (Duffer) | 1 | 749 | 43.1K | by Jan 1993 – Aug 2026 |
| Bowne "2989" G-8-144442 | Van Operating, Ltd. | Callahan, NE (Congl) | 1 | 740 | 253K | Mar 1993 – Jun 2002 |
| Meador G-8-148788 | Sojourner Drilling Corporation | Cross Plains, N. (Caddo, Upper) | 1 | 704 | 101K | Apr 1994 – Mar 2009 |
| Williams G-8-245078 | Probe Exploration Company | Putnam, North (Duffer) | 1 | 662 | 156K | Nov 2008 – Jul 2016 |
| Isbell G-8-181115 | D.J. & T. Energy | Callahan County Regular | 1 | 644 | 64.1K | Jun 2000 – Oct 2020 |
| Lee, Brenda G-8-124884 | Horizon Well Services, Inc. | Putnam, NE (Miss) | 1 | 633 | 19.7K | by Jan 1993 – Jul 1997 |
| Lareata G-8-255378 | Hess, Jerry Operating Co. | Carmen's (Caddo) | 1 | 586 | 288K | Nov 2009 – Feb 2025 |
| Johnson, Eva G-8-111479 | Bayou Operating Company, Inc. | G. Fraser 111 (Grey ) | 1 | 580 | 80.7K | by Jan 1993 – May 2007 |
| Brooks, Lucion "A" G-8-120282 | Petex | Callahan County Regular (Gas) | 1 | 575 | 52.3K | by Jan 1993 – Dec 2013 |
| Ingram, Joe G-8-145719 | Geotrac Energy Corporation | Callahan County Regular (Gas) | 1 | 529 | 76.2K | Jun 1993 – Jun 1997 |
| Estes, N. A. G-8-43692 | Tristar Oil & Gas | Elmdale, S. (Caddo) | 1 | 440 | 26.3K | by Jan 1993 – Aug 2004 |
| Balkum-Ginco "B" G-8-106632 | Eastland Operating, L.L.C. | Rocky Mountain (Comyn) | 1 | 384 | 59.8K | Dec 1993 – Jan 2026 |
| Capps "2993" Unit G-8-262295 | Petex | Mission Mtn. (Duffer) | 1 | 367 | 112K | May 2011 – Jul 2019 |
| Ramsey Burrette G-8-66858 | Petex | Putnam, NE (Conglomerate) | 1 | 355 | 896K | by Jan 1993 – Aug 2026 |
| Mask 2284 G-8-97397 | Sandstone Services, LLC | Mask (Caddo) | 1 | 318 | 149K | by Jan 1993 – Aug 2010 |
| Simmons G-8-112331 | Van Operating, Ltd. | Putnam, NE Duffer | 1 | 306 | 88.5K | by Jan 1993 – Mar 2002 |
| Ezzell G-8-118515 | Bilmac Oil Co., Inc. | Mis Raizes (Duffer) | 1 | 301 | 80.5K | Jan 1994 – Jul 2026 |
| Williams. L.L. G-8-144779 | Lamesa Crude | Callahan County Regular | 1 | 293 | 1.99K | Mar 1993 – Sep 1993 |
| Isenhower G-8-131820 | Momentum Operating Co., Inc. | Enlow (Caddo) | 1 | 239 | 320K | by Jan 1993 – Sep 2021 |
| Vestal "B" G-8-138566 | Eastland Operating, L.L.C. | Nicholas (Duffer) | 1 | 233 | 84.7K | by Jan 1993 – Aug 2026 |
| Eaton G-8-233971 | Chisholm Operating, Inc. | Britni Ann (Ellenburger) | 1 | 227 | 180K | Aug 2007 – May 2015 |
| Dehlinger G-8-243305 | Arnot Oil Company, LLC | Callahan County Regular (Gas) | 1 | 222 | 55.6K | Feb 2009 – Jun 2017 |
| Mayes, J. G-8-143609 | Eastland Operating, L.L.C. | Nicholas (Duffer) | 1 | 216 | 24K | by Jan 1993 – Aug 2026 |
| Parsons, I. M. "N" G-8-146518 | Sun-Key Oil Co., Inc. | Parsons (Gray) | 1 | 205 | 38.7K | Aug 1993 – Jul 1999 |
| Parks G-8-237211 | Probe Exploration Company | M. G. C. (Bend) | 1 | 191 | 473K | Apr 2008 – Dec 2023 |