| McLemore A-232 G-8-152239 | Shaida, John H. only | Shackelford County Regular (Gas) | Shackelford | 1 | 42.4K | 95.1K | Jun 1994 – Apr 2026 |
| Reames "9" G-8-190077 | Basin Operating Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 6.4K | 268K | Jul 2002 – Jul 2025 |
| Sedwick, J. F. G-8-42529 | Basin Operating Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 5.33K | 120K | Jan 1993 – Apr 2026 |
| Reames 'A' G-8-199332 | Millennium Operating Company only | Shackelford County Regular (Gas) | Shackelford | 1 | 2.56K | 177K | Dec 2003 – Aug 2020 |
| Smith G-8-130720 | Sequoia Fossil Fuels, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 1.55K | 249K | Jan 1993 – May 2007 |
| Cottle, Jerry G-8-229019 | Expro Engineering, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 1.52K | 155K | Apr 2007 – May 2023 |
| Moore G-8-203529 | Sequoia Energy Resources only | Shackelford County Regular (Gas) | Shackelford | 1 | 1.41K | 12.6K | Oct 2014 – Aug 2020 |
| Lummus-Cottle-Elliott G-8-110697 | McClymond, Ltd. only | Shackelford County Regular (Gas) | Shackelford | 1 | 1.09K | 96.2K | Jan 1993 – Oct 2004 |
| Hendricks S 28/27 340 G-8-152781 | Stovall Operating Co. only | Shackelford County Regular (Gas) | Shackelford | 1 | 871 | 35.1K | Mar 1995 – Apr 1997 |
| Jameson G-8-211438 | Gordon B Services LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 701 | 96.2K | Nov 2005 – Apr 2026 |
| Stephens "21" G-8-202402 | Southern Exploration, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 645 | 388K | Jun 2004 – May 2017 |
| Windham "85" G-8-167508 | P.I.D. Drilling Inc only | Shackelford County Regular (Gas) | Shackelford | 1 | 623 | 93K | May 1997 – Aug 2014 |
| Pittman Group G-8-87867 | Hughes & Patterson Oper. Corp. only | Shackelford County Regular (Gas) | Shackelford | 1 | 512 | 74.3K | Jan 1993 – Sep 2004 |
| South Green 69 G-8-182828 | Basin Operating Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 481 | 160K | Mar 2000 – Aug 2016 |
| Jameson G-8-211330 | J & W Oil Co.-W. F. only | Shackelford County Regular (Gas) | Shackelford | 1 | 477 | 33.4K | Oct 2005 – Oct 2013 |
| Burton, Alton Unit G-8-94403 | Hogan, Wayne Oil Co. only | Shackelford County Regular (Gas) | Shackelford | 1 | 474 | 33.5K | Jan 1993 – Jul 1999 |
| Cottle G-8-127332 | Bayou Operating Company, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 404 | 207K | Jan 1993 – Apr 2026 |
| Isabella Marie G-8-261738 | DBC Operating Company LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 353 | 130K | Nov 2010 – Nov 2019 |
| Hendrick 43/280 G-8-172138 | Stovall Operating Co. only | Shackelford County Regular (Gas) | Shackelford | 1 | 346 | 3.25K | Mar 1999 – Feb 2000 |
| B & D "A" G-8-166552 | Gordon B Services LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 309 | 63.9K | Jan 1998 – Feb 2013 |
| Jameson G-8-178688 | Gordon B Services LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 306 | 300K | Jun 2000 – Apr 2026 |
| Grothe, M. L. G-8-114943 | Keating Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 281 | 347K | Jan 1993 – Apr 2026 |
| Crandall G-8-193342 | Petex only | Shackelford County Regular (Gas) | Shackelford | 1 | 233 | 346K | Jan 2003 – Oct 2024 |
| Nail "136" G-8-157945 | Stasney, H. R. & Sons, Ltd. only | Shackelford County Regular (Gas) | Shackelford | 1 | 193 | 43.2K | Feb 1996 – Sep 1998 |
| Davis, Merrick G-8-167924 | Amrwr, LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 175 | 45.1K | Mar 1998 – Mar 2008 |
| Pruet 88 G-8-128860 | Sequoia Natural Gas, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 161 | 586K | Jan 1993 – Apr 2015 |
| B & D G-8-155361 | Triple Singleton, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 161 | 270K | Aug 1995 – Feb 2013 |
| Williams, Loren G-8-187444 | Sequoia Energy Resources only | Shackelford County Regular (Gas) | Shackelford | 1 | 151 | 456K | Jan 2002 – Nov 2021 |
| Hooker 23 G-8-160194 | CDJ Oil Company, LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 85 | 122K | Oct 1996 – Dec 2013 |
| Brooks G-8-112081 | Robuck Petroleum, LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 75 | 485K | Jan 1993 – Apr 2021 |
| Cook "X", Sec. 63 G-8-128208 | Stasney Well Service, LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 72 | 297K | Jan 1993 – Mar 2018 |
| Nail NF G-8-157390 | Jacobs, C. E., Co. only | Shackelford County Regular (Gas) | Shackelford | 1 | 67 | 9.58K | Dec 1995 – Sep 1998 |
| Heirs, Terry G-8-185532 | Low-End Oil LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 55 | 81.6K | Sep 2001 – Jul 2012 |
| Jameson G-8-132698 | J & W Oil Co.-W. F. only | Shackelford County Regular (Gas) | Shackelford | 1 | 32 | 7 | Jan 1993 – Jul 1993 |
| Richter 34 G-8-177436 | Kroh Operating LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 29 | 182K | Apr 2000 – Jun 2025 |
| Nail G-8-161360 | M & K Operating LLC only | Shackelford County Regular (Gas) | Shackelford | 1 | 24 | 12.3K | Dec 1996 – Mar 2005 |
| Smith, Pattie G-8-51295 | Geonatural Resources, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 5 | 9K | Jan 1993 – Nov 1996 |
| Flippen "36" G-8-157930 | Geonatural Resources, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 5 | 1.9K | Mar 1996 – Oct 1997 |
| Chism G-8-188940 | Basin Operating Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 4 | 240K | Jul 2002 – Jul 2025 |
| Ledbetter, Morris E. G-8-108925 | Whitt Oil & Gas, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 0 | — |
| Walker-Buckler Trust (Tract 1) G-8-107607 | Richland Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 0 | — |
| Walker-Buckler Trust-Tract 15 G-8-82914 | Keating Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 3.76K | Jan 1993 – Apr 2026 |
| Hudman, E.E. G-8-106027 | Sequoia Fossil Fuels, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 16.4K | Jan 1993 – Jun 1999 |
| Shelton-Pippen G-8-105498 | Bacon Energy only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 783 | Jan 1993 – Jun 2009 |
| Hendrick-Cook G-8-75569 | Tri Sportsmen Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 498 | Jan 1993 – Aug 1995 |
| Walker-Buckler Trust /LR.20/ G-8-57123 | Keating Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 0 | — |
| East Reames 25 G-8-105492 | Morrell, W. R. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 0 | — |
| King, J. Carter Jr. (X) G-8-103821 | Albany Cementing Company only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 1.47K | Jan 1993 – May 1995 |
| Compton G-8-74381 | Sequoia Energy Resources only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 73.1K | Jan 1999 – Aug 2015 |
| English G-8-119645 | Benson & Schoen Oil Co., Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 0 | — |